Tactile Switch SPST-NO Top Actuated Through Hole tactile switch 6x6 through hole The B3F-1000 is a compact, through-hole mounted tactile switch designed for momentary input applications. It features a standard 6.0 mm square footprint and is widely used in consumer and industrial electronics for reliable user interface control. Mechanical Characteristics Dimensions (L × W × H): 6.0 mm × 6.0 mm × 3.4 mm Actuator Type: Round Actuator Height: 4.3 mm Mounting Style: Through Hole Mounting Direction: Straight Termination Style: Solder Pin Color: White Electrical Characteristics Switch Function: SPST, Momentary (OFF-(ON)) Contact Rating: 50 mA @ 24 VDC Operating Force: 1 N (~100 gf) Contact Resistance: ≤100 mΩ (typical, refer to datasheet) Insulation Resistance: ≥100 MΩ (typical, refer to datasheet) Environmental Characteristics Operating Temperature Range: -25°C to +70°C RoHS Compliance: Yes Reliability Operating Life: 1,000,000 cycles Packaging Information Factory Pack Quantity: 1500 pcs Unit Weight: 0.008818 oz (~0.25 g) Additional Information Country of Origin: Japan (JP) Illumination: Non-illuminated Ground Terminal: No #commonpartslibrary #switch #tactile #spst

ARM® Cortex®-M0+ STM32G0 Microcontroller IC 32-Bit Single-Core 64MHz 32KB (32K x 8) FLASH 8-SOIC The STM32G031J6M6 is a compact, low-power 32-bit microcontroller from STMicroelectronics, based on the Arm® Cortex®-M0+ core running at up to 64 MHz. It belongs to the STM32G0 series, designed for cost-sensitive and energy-efficient embedded applications. This MCU integrates essential peripherals, memory, and system functions into a small package (8-pin SOIC), making it suitable for consumer electronics, industrial control, appliances, and IoT devices where space and power efficiency are critical. Key Features Core & Performance 32-bit Arm Cortex-M0+ CPU Up to 64 MHz clock frequency Memory Protection Unit (MPU) for improved reliability and security 💾 Memory 32 KB Flash memory (program storage) 8 KB SRAM Flash protection (read/write protection, secure area) Peripherals & Interfaces Communication: I2C (2x) SPI (2x) / I2S USART (2x) + Low-power UART 12-bit ADC (up to ~2.5 MSps, multiple channels) DMA controller (5 channels) Timers: Advanced PWM timer (motor control capable) General-purpose timers (16-bit & 32-bit) Low-power timers Watchdog timers RTC (Real-Time Clock) with VBAT backup Power & Efficiency Operating voltage: 1.7 V to 3.6 V Multiple low-power modes: Sleep, Stop, Standby, Shutdown Optimized for low energy consumption (battery-powered designs) I/O & Package Up to 44 GPIOs (depending on package) 6 GPIOs available in the 8-pin (J6M6) package 5V-tolerant I/O pins (select pins) Compact SOIC-8 package#commonpartslibrary #integratedcircuit #microcontroller

Green LED Indication - Discrete 2.2V 0603 (1608 Metric) The SML-LX0603GW-TR is a surface-mount white LED in a compact 0603 (1608 metric) package, designed for indicator and backlighting applications. It offers high brightness with low power consumption and wide viewing angle, making it suitable for portable and space-constrained electronic devices. The device is optimized for automated assembly and is supplied in tape-and-reel packaging. Key Features White LED (cool white emission) Compact 0603 (1.6 mm × 0.8 mm) SMD package High luminous intensity with low forward current Wide viewing angle (~120° typical) Low power consumption Compatible with reflow soldering Tape & reel packaging for automated assembly Optical Characteristics (Typical values) Emission Color: White Luminous Intensity: ~100 to 300 mcd @ 20 mA Color Temperature: ~6000K to 8000K Viewing Angle: 120° Electrical Characteristics (Typical values unless otherwise specified) Forward Voltage (VF): Typ: 3.0 V Max: 3.4 V @ 20 mA Forward Current (IF): 20 mA (continuous) Reverse Voltage (VR): 5 V Power Dissipation: ~75 mW Absolute Maximum Ratings Forward Current: 25 mA (continuous) Peak Forward Current: 100 mA (pulse, short duration) Operating Temperature: -40°C to +85°C Storage Temperature: -40°C to +100°C Mechanical Characteristics Package Type: 0603 (1608 metric) Dimensions: ~1.6 mm × 0.8 mm × 0.8 mm Mounting Type: Surface mount (SMT) Polarity: Cathode marking on package Material Specifications Lens: Epoxy resin (diffused) LED Chip: InGaN (Indium Gallium Nitride) Lead Frame: Copper alloy with silver plating Packaging Information Packaging Type: Tape & Reel (TR) Reel Quantity: Typically 3,000–5,000 pcs per reel RoHS Compliant: Yes Lead-Free: Yes Typical Applications Status indicators Backlighting (LCD, keypad, buttons) Consumer electronics Portable devices Automotive interior lighting (low-power) #commonpartslibrary #optoelectronic #led #SML-LX0603

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount The SHTC3-TR-2.5KS is a digital humidity and temperature sensor from Sensirion, designed for high accuracy, low power consumption, and compact integration. It utilizes a fully calibrated capacitive humidity sensor and bandgap temperature sensor, providing precise environmental measurements via an I²C interface. The device is optimized for battery-powered and space-constrained applications, featuring ultra-low power consumption and sleep modes, making it ideal for IoT, wearable, and mobile devices. Key Features Relative humidity and temperature sensing in a single package Fully calibrated and linearized digital output I²C interface (up to 1 MHz fast mode) Ultra-low power consumption with sleep mode High accuracy and fast response time Small DFN package for compact designs Factory calibrated, no external calibration required Mechanical Characteristics Package Type: DFN (Dual Flat No-Lead) Package Size: ~2.0 mm × 2.0 mm × 0.75 mm Mounting Type: Surface mount (SMT) Terminals: Bottom pads Electrical Characteristics Supply Voltage (VDD): 1.62 V to 3.6 V Average Supply Current: Measurement: ~170 µA Sleep Mode: ~0.3 µA Interface: I²C (address selectable) Output: Digital (temperature and relative humidity) Sensing Performance Humidity Range: 0 to 100 %RH Humidity Accuracy: ±2 %RH (typical) Temperature Range: -40°C to +125°C Temperature Accuracy: ±0.2°C (typical) Response Time (τ63%): ~8 seconds (humidity) Functional Features Low-power measurement modes (normal and low power) Sleep mode for minimal energy consumption CRC checksum for data integrity Clock stretching support (optional) Environmental Specifications Operating Temperature Range: -40°C to +125°C Storage Temperature Range: -40°C to +125°C Packaging Information Packaging Type: Tape & Reel (TR) Reel Quantity: 2,500 units (2.5KS) Lead-Free / RoHS compliant Typical Applications Wearable devices Smartphones and mobile electronics IoT sensors and nodes Smart home devices (thermostats, air quality monitors) HVAC systems Environmental monitoring #CommonPartsLibrary #Sensor #Transducer #Humidity #Moisture-Sensor

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount The ESP32-C3-WROOM-02-N4 is a compact, general-purpose Wi-Fi and Bluetooth Low Energy (BLE) module developed by Espressif Systems. It is built around the ESP32-C3 SoC and integrates RF components, crystal oscillator, flash memory, and PCB antenna in a single module. It is designed for a wide range of applications such as IoT devices, smart home systems, industrial automation, and consumer electronics, offering a balance of performance, low power consumption, and cost efficiency. Key Features MCU & Memory 32-bit RISC-V single-core processor up to 160 MHz 384 KB ROM 400 KB SRAM + 8 KB RTC SRAM Integrated 4 MB SPI flash (N4 variant) Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Supports Station, SoftAP, and Station + SoftAP modes Bluetooth 5 (BLE) with mesh support Data rates up to 150 Mbps (Wi-Fi) Peripherals & Interfaces Up to 15 GPIOs Interfaces: SPI, UART, I2C, I2S LED PWM ADC (SAR) Timers & watchdog USB Serial/JTAG support TWAI® (CAN 2.0 compatible) #commonpartslibrary #transceiver #module #wireless #rf

600 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) ferrite bead 600 ohm 0603 ferrite bead 600 ohm 100MHz 0603 ferrite bead 0603 600ohm The BLM18AG601SN1D is a surface-mount ferrite bead designed for suppression of high-frequency noise in electronic circuits. It provides high impedance at high frequencies while maintaining low DC resistance, making it suitable for power lines and signal line filtering. This component is commonly used in portable electronics, communication devices, and general digital circuits to improve EMI performance. ELECTRICAL CHARACTERISTICS Impedance: 600 Ω ±25% @ 100 MHz Rated Current: 500 mA (max) DC Resistance (DCR): 0.5 Ω (typ), 0.8 Ω (max) Insulation Resistance: 10 MΩ min PHYSICAL CHARACTERISTICS Package Size: 0603 (1608 Metric) Length: 1.6 mm Width: 0.8 mm Height: 0.8 mm (typ) Mounting Type: Surface Mount (SMD) ENVIRONMENTAL & OPERATING CONDITIONS Operating Temperature Range: -55°C to +125°C Storage Temperature Range: -55°C to +125°C APPLICATIONS Power supply line noise suppression Signal line EMI filtering Mobile devices and handheld electronics Computers and peripherals Consumer electronics FEATURES High impedance at high frequencies for effective noise suppression Low DC resistance minimizes signal/power loss Compact 0603 package suitable for high-density PCB layouts Reliable multilayer construction Lead-free and RoHS compliant PACKAGING Packaging Type: Tape and Reel Standard Reel Quantity: Typically 4000 pcs/reel #CommonPartLibrary #Filter #FerriteBead

Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 625 mW Through Hole TO-92-3 The 2N3904TFR is a general-purpose NPN bipolar junction transistor (BJT) designed for low-power amplification and switching applications. It is widely used in signal processing, small-signal amplification, and digital switching circuits. This transistor offers fast switching speed, low saturation voltage, and reliable performance in a compact surface-mount package, making it suitable for consumer electronics, industrial controls, and embedded systems. Manufacturer Various (commonly ON Semiconductor / onsemi, Diodes Inc., Central Semiconductor) Part Number 2N3904TFR Transistor Type NPN Bipolar Junction Transistor (BJT) Configuration Single Package / Case SOT-23 (TO-236AB) Mounting Style Surface Mount (SMD/SMT) Collector-Emitter Voltage (VCEO) 40 V Collector-Base Voltage (VCBO) 60 V Emitter-Base Voltage (VEBO) 6 V Collector Current (IC) 200 mA (max) Power Dissipation (PD) ~200 mW to 350 mW (package dependent) DC Current Gain (hFE) 100 to 300 (typical, varies with operating conditions) Transition Frequency (fT) ~300 MHz Collector-Emitter Saturation Voltage (VCE(sat)) ~0.2 V (typical at IC = 10 mA, IB = 1 mA) Operating Temperature Range -55°C to +150°C Polarity NPN Packaging Tape & Reel (TFR suffix) RoHS Compliance Compliant #commonpartslibrary #transistor #bjt

3 Position Wire to Board Terminal Block Horizontal with Board 0.200" (5.08mm) Through Hole The 1730405 is a PCB terminal block from Phoenix Contact, belonging to the MKDS 2,5 series. It is designed for secure screw-type wire-to-board connections, commonly used in industrial control systems, power distribution, and PCB interface applications. This component provides a reliable mechanical and electrical connection between wires and printed circuit boards (PCB) with a standard 5.08 mm pitch. Key Features 3-position PCB terminal block Compact single-row configuration for signal or power connections Screw connection technology Secure and vibration-resistant wire termination Standard 5.08 mm pitch Compatible with common industrial PCB layouts Rated electrical performance Nominal voltage up to 400 V Nominal current up to 24 A (with proper conductor size) Wire compatibility Solid and stranded wires: 0.14 mm² to 2.5 mm² AWG range: approximately 30–12 AWG High insulation rating Insulating material: PA (Polyamide) Flame class: UL 94 V-0 High surge voltage capability Up to 4 kV surge rating Through-hole PCB mounting Designed for soldering into PCB for stable mechanical retention Industrial-grade durability Suitable for harsh environments and long-term use Typical Applications Industrial automation systems Power supply and distribution boards Control panels Embedded PCB wiring interfaces Electrical instrumentation systems 1x3 terminal block #CommonPartsLibrary #Connector #Terminal block

Slide Switch, SPDT, On-On, Through Hole, OS Series, 100mA # OS102011MS2QN1 ## General Description The OS102011MS2QN1 is a miniature slide switch manufactured by C&K, designed for low-power signal switching and control applications in electronic equipment. The switch features a compact mechanical design, reliable contact performance, and through-hole mounting configuration, making it suitable for embedded systems, industrial controls, instrumentation, telecommunications equipment, consumer electronics, and portable devices. Its robust construction ensures dependable operation throughout repeated switching cycles while maintaining stable electrical performance. The device is commonly utilized for mode selection, power control, configuration settings, and user-interface functions within electronic assemblies. ## Key Features ### Mechanical Characteristics * Miniature slide switch construction * Through-hole PCB mounting * Compact form factor * Durable actuator mechanism * Positive switching action * Designed for repeated mechanical operation ### Switching Characteristics * Maintained-contact operation * Reliable position retention * Low-force actuation * Stable contact engagement * Suitable for signal and control switching applications ### Electrical Characteristics * Low contact resistance * Reliable signal transmission * Stable switching performance * Suitable for low-current and low-voltage circuits * Consistent electrical operation throughout service life ### Contact System * High-reliability contact materials * Corrosion-resistant contact surfaces * Long operational durability * Dependable electrical continuity ### Material Construction * High-strength thermoplastic housing * Industrial-grade metallic contacts * Durable actuator assembly * RoHS-compliant materials ### Environmental Characteristics * Suitable for commercial and industrial electronic equipment * Resistant to mechanical wear * Reliable performance under normal operating environments * Designed for long-term service reliability ### Application Areas * Embedded Systems * Industrial Control Equipment * Consumer Electronics * Test and Measurement Instruments * Communication Devices * Medical Electronics * Power Control Circuits * User Interface Controls * Configuration and Mode Selection Functions * Electronic Development Platforms ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Switching Component ## Manufacturer C&K ## Product Family OS Series Miniature Slide Switches #OS102011MS2QN1 #CKSwitches #SlideSwitch #MiniatureSwitch #ElectronicSwitch #PCBSwitch #EmbeddedSystems #IndustrialElectronics #ControlSystems #ConsumerElectronics #HardwareDesign #ElectronicsEngineering #SignalSwitching #PCBAssembly #ElectronicComponents #commonpartslibrary #switch #slide #spdt

Compact AC/DC board mount power module 3W 5V #CommonPartsLibrary #powersupply #ACDCconverter

Bipolar (BJT) Transistor NPN 40V 200mA 300MHz 350mW Surface Mount SOT-23 The MMBT3904-TP is an NPN general-purpose bipolar junction transistor (BJT) in a SOT-23 surface-mount package. It is a compact SMD version of the classic 2N3904, designed for switching and low-power signal amplification in a wide range of electronic circuits. It is commonly used in embedded systems, consumer electronics, and PCB designs where small size and reliable switching performance are required. Key Features NPN Bipolar Junction Transistor (BJT) Suitable for switching and amplification applications SOT-23 Surface-Mount Package Compact footprint for high-density PCB designs Collector-Emitter Voltage (Vceo) Typically up to 40V Collector Current Up to 200 mA continuous Low Power Operation Designed for small signal and low-power switching tasks High Gain (hFE) DC current gain typically 100–300 Fast Switching Capability Suitable for digital and pulse applications Wide Operating Temperature Range Typically -55°C to +150°C High Reliability Stable performance for general-purpose use RoHS Compliant Environmentally compliant manufacturing Typical Applications Signal switching in digital circuits LED driving circuits Small relay or load switching Sensor interface circuits General-purpose amplification stages 2N3904 SOT-23 #CommonPartsLibrary #Transistor #BJT #NPN #MMBT3904

N-Channel 100 V 100A (Tc) 2.5W (Ta), 139W (Tc) Surface Mount PG-TDSON-8-7 BSC040N10NS5ATMA1 is a high-performance 100V N-Channel Power MOSFET from Infineon's OptiMOS™ 5 family. It is designed for high-efficiency switching applications such as switched-mode power supplies (SMPS), synchronous rectification, DC-DC converters, motor drives, battery-powered systems, and industrial power management. The device features extremely low on-resistance, high current capability, and excellent thermal performance, making it suitable for demanding power conversion applications. Key Features N-Channel Enhancement Mode MOSFET 100V Drain-to-Source Voltage (VDS) Ultra-low RDS(on): 4.0 mΩ max @ VGS = 10V Continuous Drain Current up to 100A (package limited) Optimized for high-performance SMPS and synchronous rectification Low gate charge for improved switching efficiency 100% avalanche tested for enhanced robustness Superior thermal resistance and power dissipation Wide operating junction temperature range: -55°C to +150°C RoHS compliant and halogen-free Compact PG-TDSON-8 / SuperSO8 package for high power density designs Typical Applications DC-DC Converters Synchronous Rectifiers Motor Control Battery Management Systems (BMS) Telecom and Industrial Power Supplies Solar Power Systems High-Current Switching Circuits #Infineon #OptiMOS5 #MOSFET #NChannelMOSFET #PowerMOSFET #100V #LowRDSon #SMPS #DCDCConverter #MotorDrive #PowerElectronics #IndustrialElectronics #BSC040N10NS5ATMA1 #HighEfficiency #SynchronousRectification

Linear Voltage Regulator IC Positive Fixed 1 Output 600mA SOT-25 3.3V LDO AP2112K-3.3 The AP2112K-3.3TRG1 is a low dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage. It is optimized for low noise, high power supply rejection ratio (PSRR), and low quiescent current, making it suitable for battery-powered and noise-sensitive applications. The device features current limiting and thermal shutdown protection, ensuring reliable operation under fault conditions. It is commonly used in portable electronics, RF modules, microcontroller power supplies, and other low-power systems. Key Features Fixed output voltage: 3.3V Output current: up to 600 mA Low dropout voltage: ~250 mV at 300 mA load High PSRR: up to 70 dB at 1 kHz Low quiescent current: typically 55 µA Stable with low ESR ceramic capacitors Built-in overcurrent protection Thermal shutdown protection Fast transient response Absolute Maximum Ratings Input Voltage (VIN): up to 6.5 V Output Current: Internally limited Operating Junction Temperature: -40°C to +125°C Storage Temperature: -65°C to +150°C Electrical Characteristics (Typical values unless otherwise specified) Output Voltage Accuracy: ±2% Dropout Voltage: 250 mV @ 300 mA 400 mV @ 600 mA Line Regulation: 0.05%/V Load Regulation: 0.2% Quiescent Current: 55 µA Shutdown Current: <1 µA PSRR: 70 dB @ 1 kHz 45 dB @ 10 kHz Pin Configuration (SOT-23-5 / SC-70-5) VIN – Input voltage GND – Ground EN – Enable (active high) NC – No connection VOUT – Regulated output (3.3V) Package Information Package Type: SOT-23-5 (TRG1 suffix indicates tape & reel) Mounting: Surface mount Small footprint suitable for compact PCB layouts Typical Applications Battery-powered devices Wireless modules (Wi-Fi, Bluetooth, RF) Microcontroller and FPGA power supplies Portable consumer electronics Sensor and analog circuits requiring low noise Compliance & Reliability RoHS compliant Lead-free package Designed for high reliability and long operational life #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LinearRegulator #VoltageRegulator

Red, Green, Blue (RGB) 624nm Red, 525nm Green, 470nm Blue LED Indication - Discrete 2V Red, 3.3V Green, 3.3V Blue 4-SMD, No Lead # 150080M153000 ## General Description The 150080M153000 is a compact surface-mount full-color RGB LED manufactured by Würth Elektronik as part of the WL-SFCD series. The device integrates red, green, and blue light-emitting elements within a single package, enabling the generation of a wide spectrum of colors for status indication, user interfaces, backlighting, visual notifications, and decorative lighting applications. Its diffused lens design provides uniform light distribution and wide viewing visibility, making it suitable for industrial equipment, consumer electronics, communication devices, instrumentation systems, control panels, and embedded electronic products. The component is optimized for automated assembly processes and offers reliable optical performance, low power consumption, and long operational life. ## Key Features ### Optical Characteristics * Full-color RGB light output * Integrated red, green, and blue emitters * Diffused lens design for uniform illumination * Wide viewing angle * High-visibility indication capability * Consistent color performance ### Electrical Characteristics * Low-power operation * Stable optical output * Suitable for indicator and backlighting applications * Reliable performance across operating conditions * Optimized for embedded electronic systems ### Mechanical Characteristics * Surface-mount package construction * Compact footprint * Low-profile package design * Compatible with automated assembly processes * Reflow-soldering compatible ### Package Construction * Common-anode configuration * Integrated multi-die LED architecture * Rectangular lens geometry * Lead-free package design * Industrial-grade construction ### Material Characteristics * High-quality encapsulation materials * Diffused optical lens * RoHS-compliant construction * Environmentally compliant materials ### Environmental Characteristics * Suitable for commercial and industrial applications * Long operational service life * Reliable operation under standard environmental conditions * Resistant to normal assembly and handling processes ### Application Areas * Status Indicators * User Interface Displays * Industrial Control Panels * Consumer Electronics * Home Appliances * Telecommunications Equipment * Instrumentation Systems * Backlighting Applications * Smart Devices * Embedded Electronic Products * Safety and Security Equipment * Human-Machine Interface Systems ### Compliance * RoHS Compliant * REACH Compliant * Lead-Free Compatible * Industry-Standard Surface-Mount Technology ## Manufacturer Würth Elektronik ## Product Family WL-SFCD SMD Full-Color Chip LED Series #150080M153000 #WurthElektronik #RGBLED #SMDLED #WLSFCD #FullColorLED #LEDIndicator #Backlighting #Optoelectronics #EmbeddedSystems #IndustrialElectronics #ConsumerElectronics #PCBDesign #ElectronicsEngineering #SMTAssembly #commonpartslibrary #optoelectronic #ledindication

Cellular EDGE, GPRS, GSM, HSPA+, LTE, UMTS Transceiver Module 900MHz, 1.8GHz Antenna Not Included Surface Mount The SIM7600E-H is a multi-mode LTE module that supports: LTE (4G) Cat-4 with up to 150 Mbps download / 50 Mbps upload 3G (UMTS/HSPA+) 2G (GSM/GPRS/EDGE) fallback for global network compatibility It is built in a compact SMT/LCC package (about 30 × 30 mm) and is widely used for embedded devices that need mobile internet and GNSS positioning Key Features Network support LTE-FDD / LTE-TDD (global bands depending on variant) UMTS/HSPA+ GSM/GPRS/EDGE fallback Data speed LTE Cat-4: up to 150 Mbps downlink 3G/2G fallback for lower-speed connectivity GNSS built-in GPS / GLONASS / other satellite positioning support Interfaces USB 2.0 UART GPIO I2C ADC PCM (audio support) SIM card interface Software / protocols AT command control TCP/IP, UDP, HTTP, HTTPS, FTP, DNS Driver support for Windows, Linux, Android Power supply ~3.4V to 4.2V typical operating range Operating temperature -40°C to +85°C (industrial grade) Typical Applications IoT devices GPS trackers Smart metering Industrial routers / gateways Remote monitoring systems Vehicle telematics Point-of-sale terminals #commonpartslibrary #rf #wireless #transceiver #module

Red 631nm LED Indication - Discrete 2V 0603 (1608 Metric) The LTST-C190KRKT is a surface-mount red LED designed for compact electronic applications requiring reliable visual indication. It is housed in a standard chip LED package, making it suitable for automated assembly processes. This device offers high luminous intensity with low power consumption, ideal for status indicators, backlighting, and display applications. Key Features High brightness red LED Compact surface-mount package (0603 / 1608 metric) Low forward voltage and low power consumption Wide viewing angle for uniform illumination Compatible with automated placement equipment RoHS compliant and lead-free Electrical Characteristics (Typical @ 25°C) Forward Voltage (Vf): 2.0 V (typ), 2.4 V (max) Forward Current (If): 20 mA (recommended) Luminous Intensity: ~100–180 mcd Wavelength (Peak): ~631 nm (red) Optical Characteristics Color: Red Viewing Angle: 120° (typ) Absolute Maximum Ratings Forward Current: 30 mA (continuous) Peak Forward Current: 100 mA (pulse) Power Dissipation: ~75 mW Operating Temperature Range: -40°C to +85°C Storage Temperature Range: -40°C to +100°C Mechanical Characteristics Package Type: SMD Chip LED Package Size: 0603 (1.6 mm × 0.8 mm) Mounting Type: Surface Mount Lens Type: Clear Applications Status indicators in electronic devices Backlighting for displays and keypads Consumer electronics Industrial control panels Portable and battery-powered devices #commonpartslibrary #optoelectronic #led #red

N-Channel 30 V 5.7A (Ta) 1.4W (Ta) Surface Mount SOT-23-3 The AO3400A N-Channel MOSFET is a 30V N-channel enhancement-mode MOSFET designed using trench MOSFET technology. It is widely used for load switching, DC-DC converters, motor driving, and PWM control applications due to its very low on-resistance and compact SOT-23 package. It is especially popular in small electronics and embedded systems because it can be driven directly by 3.3V or 5V logic signals, making it ideal for microcontroller-based designs. Key Features Drain-Source Voltage (VDS): 30V Continuous Drain Current (ID): up to 5.7A (at 25°C) Ultra-low RDS(on): ~26.5 mΩ @ VGS = 10V ~32 mΩ @ VGS = 4.5V ~48 mΩ @ VGS = 2.5V Logic-level gate drive (works well with MCU GPIOs) Fast switching performance (ns-range switching times) Low gate charge (~6–7 nC) → efficient switching Compact SOT-23 package for space-saving PCB design Low power dissipation (~1.4W typical at 25°C ambient) Operating temperature: −55°C to +150°C Typical Applications Load switching (LEDs, sensors, small motors) Power management in battery-powered devices DC-DC converters PWM control circuits Fan and heater control in embedded systems #AO3400A #MOSFET #NChannelMOSFET #PowerElectronics #SOT23 #LoadSwitch #EmbeddedSystems #ElectronicsComponents #TrenchMOSFET #Commonpartslibrary #Transistor #FET

WiFi 802.11b/g/n Transceiver Module 2.4GHz ~ 2.5GHz Integrated, Trace Surface Mount The ESP-12F is a compact WiFi module based on the ESP8266EX, widely used in IoT and embedded systems due to its low cost and built-in networking capabilities. Integrated WiFi (2.4 GHz) Supports 802.11 b/g/n Built-in TCP/IP stack (no external WiFi processor needed) Microcontroller + WiFi in one Powered by the ESP8266EX SoC Can run user applications directly (not just a WiFi modem) Flash Memory Typically 4 MB SPI flash (varies by version) GPIO Support Multiple multifunction pins: Digital I/O PWM I2C SPI UART ADC (1 channel) Size: ~16 mm × 24 mm Mounting: Castellated SMD module Antenna: Built-in PCB trace antenna (requires proper keepout zone) Power Requirements Operating Voltage: 3.0V – 3.6V (typical 3.3V) Current Consumption: Idle: ~70 mA Peak (TX): up to ~300 mA Common Interfaces UART – programming and debugging SPI – peripheral communication I2C (software-based) GPIO – general-purpose control #commonpartslibrary #transceiver #module #wireless #rf #wifi

PC Test Point, Compact Phosphor Bronze Silver Plating Surface Mount Mounting Type Generic Test Point #commonpartslibrary #testpoint #SMD

Diode 40 V 3A Surface Mount SMB Schottky diode 3A 40V SMB The B340B-13-F is a surface-mount Schottky barrier rectifier diode designed for efficient power rectification in low-voltage, high-frequency applications. It features low forward voltage drop and fast switching capability, making it suitable for DC-DC converters, power supplies, reverse polarity protection, and freewheeling diode applications. The device is housed in a compact SMB (DO-214AA) package, enabling high current handling in space-constrained designs. ELECTRICAL CHARACTERISTICS Reverse Voltage (VRRM): 40 V Average Forward Current (IF(AV)): 3 A Forward Voltage (VF): 0.5 V (typical at IF = 3 A) Reverse Leakage Current (IR): 0.5 mA (max at VR = 40 V, 25°C) Peak Surge Current (IFSM): 80 A (8.3 ms single half sine wave) THERMAL CHARACTERISTICS Operating Junction Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Thermal Resistance Junction-to-Ambient (RθJA): ~75 °C/W MECHANICAL CHARACTERISTICS Package Type: SMB (DO-214AA) Mounting Type: Surface Mount (SMD) Polarity: Cathode marked by band Weight: ~0.1 g FEATURES Low forward voltage drop for improved efficiency High surge current capability Fast switching speed Low power loss and high reliability Compact SMB package for space-saving PCB layout RoHS compliant and halogen-free APPLICATIONS Switch-mode power supplies (SMPS) DC-DC converters Reverse polarity protection circuits Freewheeling and clamping diodes Battery charging circuits MANUFACTURER / PART DETAILS Manufacturer: Diodes Incorporated Part Number: B340B-13-F Package Code: SMB (DO-214AA) #Diode #Rectifier #Single-Diode #SCHOTTKY #B340

Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 300 mW Surface Mount SOT-23-3 (TO-236) The MMBT3904LT1G is a general-purpose NPN bipolar junction transistor designed for switching and amplification applications. It is housed in a compact SOT-23 surface-mount package, making it suitable for high-density PCB designs. This transistor is widely used in low-power signal processing, digital switching, and analog amplification circuits due to its reliable performance and fast switching characteristics. Key Features General-purpose NPN transistor Compact SOT-23 surface-mount package Fast switching speed Low saturation voltage Suitable for low-current and low-power applications High reliability and stability Pb-free, Halogen-free, and RoHS compliant Electrical Characteristics (Typical @ 25°C unless otherwise specified) Collector-Emitter Voltage (VCEO): 40 V Collector-Base Voltage (VCBO): 60 V Emitter-Base Voltage (VEBO): 6 V Collector Current (IC): 200 mA (max) DC Current Gain (hFE): 100 – 300 Collector-Emitter Saturation Voltage (VCE(sat)): 0.2 V (typ) Transition Frequency (fT): ~300 MHz Absolute Maximum Ratings Collector Current (Continuous): 200 mA Power Dissipation: ~225 mW Junction Temperature: +150°C (max) Operating Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Mechanical Characteristics Package Type: SOT-23 (TO-236AB) Mounting Type: Surface Mount Number of Pins: 3 Marking Code: Dependent on lot/manufacturer marking Applications General-purpose switching circuits Signal amplification Digital logic interfacing LED drivers and small load switching Audio and RF signal processing #CommonPartsLibrary #TransistorBJT #MMBT2222