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

17V Clamp 5A (8/20µs) Ipp Tvs Diode Surface Mount SOT-23-6 #C7519

17V Clamp 5A (8/20µs) Ipp Tvs Diode Surface Mount SOT-666 The USBLC6-2SC6 and USBLC6-2P6 are monolithic application specific devices dedicated to ESD protection of high speed interfaces, such as USB 2.0, Ethernet links and video lines.

Tactile Switch SPST-NO Top Actuated Surface Mount

JST PH SMD Connector Header Surface Mount, Right Angle 2 position 0.079" (2.00mm) The S2B-PH-SM4-TB(LF)(SN) is a surface-mount, 2-position wire-to-board header connector from the JST PH series. It is designed for compact and reliable connections in low-current, signal, and power applications. With a 2.0 mm pitch and secure friction-lock mechanism, this connector ensures stable mating with corresponding PH series crimp housings. The connector features side-entry (horizontal) orientation and solder tabs for enhanced PCB retention, making it suitable for automated assembly and high-vibration environments. Key Features 2-position connector (2 circuits) 2.0 mm pitch spacing Surface-mount, right-angle (side entry) configuration Friction-lock mechanism for secure mating Solder hold-down tabs for mechanical stability Compact, low-profile design Compatible with JST PH series housings and terminals Tape & reel packaging for automated assembly Mechanical Characteristics Mounting Type: Surface Mount (SMT) Orientation: Right Angle (Side Entry) Pitch: 2.0 mm Number of Positions: 2 Mating Type: Friction lock Board Retention: Solder tabs (SM4 type) Electrical Characteristics Rated Current: 2 A (per contact, AWG #24) Rated Voltage: 100 V AC/DC Contact Resistance: ≤ 20 mΩ (initial) Insulation Resistance: ≥ 100 MΩ Withstanding Voltage: 800 VAC/minute Material Specifications Insulator: Polyamide (Nylon), UL94V-0 rated Contact Material: Copper alloy Contact Plating: Tin over nickel (Sn plating) Environmental Specifications Operating Temperature Range: -25°C to +85°C Storage Temperature: -40°C to +85°C Packaging Information Packaging Type: Tape & Reel (TB suffix) Lead-Free: Yes (LF) Surface Finish: Tin plating (SN) Compatible Components Mating Housing: JST PH series (e.g., PHR-2) Crimp Terminals: SPH-002T-P0.5S or equivalent Typical Applications Consumer electronics Battery connections Signal and low-power connections Embedded systems and IoT devices Portable and compact electronic assemblies #commonpartslibrary #connector #header #tht

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount The ESP32-S3-WROOM-1-N16R8 is a high-performance Wi-Fi + Bluetooth Low Energy (BLE) module developed by Espressif Systems. It is built around the ESP32-S3 SoC, featuring a dual-core Xtensa LX7 32-bit processor running up to 240 MHz. This module integrates 16 MB Flash memory and 8 MB PSRAM, making it suitable for memory-intensive applications such as AI, image processing, and advanced IoT systems. It also includes an onboard PCB trace antenna, RF circuitry, crystal oscillator, and power management components—allowing designers to quickly integrate wireless connectivity into compact embedded designs. Key Features Processing & Memory Dual-core Xtensa LX7 CPU, up to 240 MHz 384 KB ROM, 512 KB SRAM + 16 KB RTC SRAM 16 MB Flash (Quad SPI) 8 MB PSRAM (Octal/Quad SPI) Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 5 (LE) + Mesh support Integrated PCB antenna Peripherals & Interfaces Up to 36 GPIOs Interfaces: UART, SPI, I2C, I2S, PWM, ADC, USB OTG Built-in USB Serial/JTAG support Supports touch sensors, timers, watchdogs, CAN (TWAI) Electrical Characteristics Supply voltage: 3.0 V – 3.6 V TX power: up to ~20.5 dBm RX sensitivity: ~-103.5 dBm Operating temp: −40 °C to +65 °C (typical) Advanced Capabilities Optimized for AI acceleration (vector instructions) Suitable for voice recognition, image processing, and edge AI Low-power modes for battery-operated devices| Typical Applications IoT devices and sensor hubs Smart home & home automation AIoT (voice/image recognition) Industrial automation & monitoring Wearables and health devices USB-connected embedded systems #Module #RF-Transceiver #ESP32-S3

USB-C (USB TYPE-C) USB 3.2 Gen 2 (USB 3.1 Gen 2, Superspeed + (USB 3.1)) Receptacle Connector 24 Position Board Edge, Cutout; Surface Mount; Through Hole, Right Angle This component is a precision electronic device designed for integration into a wide range of circuit applications. It provides reliable electrical and mechanical performance while maintaining compatibility with standard PCB assembly processes. The device is intended for use in systems requiring stability, durability, and consistent operation across varying environmental conditions. Key Features High reliability and stable operation Compact, industry-standard footprint Compatible with automated assembly processes Lead-free and environmentally compliant Designed for long-term use Applications Consumer electronic devices Industrial control equipment Embedded systems and controllers Power and signal management circuits General-purpose electronic assemblies Electrical Characteristics (Typical – verify with manufacturer datasheet) Voltage rating: To be specified Current rating: To be specified Power rating: To be specified Tolerance or accuracy: To be specified Relevant electrical parameter (resistance, impedance, gain, etc.): To be specified Mechanical Characteristics Package type: To be specified Mounting method: Surface mount or through-hole Dimensions: To be specified Terminal style: To be specified Environmental Specifications Operating temperature range: Typically suitable for standard industrial conditions Storage temperature range: Extended range for safe storage Humidity tolerance: Suitable for non-condensing environments Compliance and Standards Compliant with environmental regulations Compatible with industry manufacturing standards #commonpartslibrary #connector #usb #typec

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Right Angle; Through Hole The USB4105-GF-A is a USB Type-C receptacle connector designed for USB 2.0 applications, commonly used in embedded systems, IoT devices, and consumer electronics. It features a 24-position (16 active + 8 dummy) contact design that supports reversible plug orientation, making it user-friendly and compliant with USB Type-C standards. This connector is a right-angle, surface-mount (SMT) device with through-hole retention tabs, providing both compact PCB integration and strong mechanical stability. Key Features USB Type-C Interface Reversible plug orientation (no wrong insertion) Standard USB Type-C receptacle Supports USB 2.0 signaling Contact Configuration 24 pins total (16 active + 8 dummy pins) Includes: Power (VBUS) Ground (GND) USB 2.0 data (D+, D−) Configuration channel (CC) Electrical Capability Supports multiple current levels (up to 5A depending on design) Rated voltage up to 48V DC Mechanical Design Right-angle (horizontal) mounting Surface-mount + through-hole hybrid Includes: Board guide Solder retention tabs (strong anchoring) Durability & Materials Shielded metal shell (EMI protection) Contact finish: Gold plating Housing: UL94 V-0 flame rated Mating cycles: ~20,000 insertions Environmental Specs Operating temperature: -40°C to +85°C RoHS compliant (lead-free) Typical Applications Microcontroller boards (ESP32, Arduino, etc.) Charging + data interface for embedded devices Power + USB communication ports Consumer electronics (gadgets, accessories) #CommonPartsLibrary #Connector #USB #DVI #USB4105 #USB-C

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

Connector Header Surface Mount 10 position 0.050" (1.27mm) ARM JTAG SWD #ARM_JTAG_SWD_10

U.FL (UMCC) Connector Receptacle, Male Pin 50Ohm Surface Mount Solder #Connector #Coaxial #RF

N-Channel 55 V 49A (Tc) 3.8W (Ta), 94W (Tc) Surface Mount D2PAK #mosfet #n-channel #power

Tactile Switch SPST-NO Top Actuated Surface Mount SMD, 12x12x7.3mm #simplifiedFootprint

N-Channel 50 V 220mA (Ta) 360mW (Ta) Surface Mount SOT-23-3 #CommonPartsLibrary #Transistor #N-channel #Mosfet

N-Channel 20 V 630mA (Ta) 280mW (Ta) Surface Mount SOT-523 #CommonPartsLibrary #TransistorsFET #Mosfets #DMG1012

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Right Angle; Through Hole USB Type-C receptacle 16 pin USB2.0 The USB4215-03-A is a USB Type-C receptacle connector designed for USB 2.0 applications. It features a 16-pin configuration supporting reversible plug orientation with standard USB 2.0 differential data lines and configuration channel (CC) pins. The connector is intended for surface-mount PCB assembly with through-hole shell stakes for enhanced mechanical strength. It is widely used in compact embedded systems for power delivery, charging interfaces, and basic data communication. Key Features USB Type-C receptacle (USB 2.0 compliant) 16 functional pins (no SuperSpeed support) Reversible plug orientation Surface-mount contacts with through-hole shell tabs Compact, low-profile design High insertion cycle durability Suitable for automated assembly Electrical Characteristics Rated Current: VBUS: up to 5.0 A (depending on PCB design and cable) Signal pins: 0.25 A max Rated Voltage: 20 V DC max Contact Resistance: ≤ 40 mΩ Insulation Resistance: ≥ 100 MΩ Dielectric Withstanding Voltage: 100 V AC Mechanical Characteristics Mounting Type: Surface Mount (SMT) with Through-Hole Shield Tabs Number of Positions: 16 Mating Cycles: 10,000 cycles (typical) Insertion Force: 5–20 N Extraction Force: 8–20 N Material Specifications Contacts: Copper Alloy Contact Plating: Gold over Nickel Housing: High-temperature thermoplastic (UL94V-0) Shell: Stainless Steel Environmental Characteristics Operating Temperature Range: -25°C to +85°C Storage Temperature Range: -40°C to +85°C RoHS Compliant: Yes Halogen Free: Yes Pin Configuration (USB 2.0 Type-C) VBUS (Power) GND (Ground) D+ / D− (USB 2.0 differential pair) CC1 / CC2 (Configuration channel) SBU pins (optional/unused in USB 2.0 designs) Applications USB power input (5 V / USB-C PD trigger designs) Embedded systems and development boards Consumer electronics Charging interfaces Low-speed USB communication devices Packaging Tape & Reel for automated pick-and-place assembly Compliance & Standards USB Type-C Specification (USB 2.0 interface) RoHS / REACH compliant UL recognized materials #CommonPartsLibrary #Connector #USB-C

PTS 810 Series Microminiature SMT Top Actuated Features/Benefits - 4.2 x 3.2 mm footprint - 2.5 mm thickness - High number of cycles - Color coded actuators Typical Applications - Control panels - Nomad devices - Remote controls - Keyless entry system 3.2mm 2.5mm Round Button 50mA Brick nogging 4.2mm SPST 16V SMD Tactile Switch SPST-NO Top Actuated Surface Mount.

Tactile Switch SPST-NO Top Actuated Surface Mount. The PTS636 series is a small 6.0 x 3.5 form factor in SMT version with 3 different heights and 4 available actuation forces, ideal for general usage applications. It also included ground pin options on 2.5 mm height version.

17V Clamp 5A (8/20µs) Ipp Tvs Diode Surface Mount SOT-23-6 USBLC6-4 low-capacitance ESD/TVS protection diode array, 4 data-line protection, 17V clamping voltage, 5A peak pulse current (8/20µs), 3pF typical capacitance, protects VBUS, USB 2.0 high-speed compatible, IEC 61000-4-2 level 4 ESD protection, SOT-23-6 surface mount package.

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount #commonpartslibrary #sensor #humidity

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Right Angle

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Surface Mount, Right Angle; Through Hole, USB Type-C receptacle 16 pin power only The UJ20-C-H-G-SMT-2-P16-TR is a USB Type-C receptacle connector designed for USB 2.0 applications. It features a right-angle, surface-mount (SMT) configuration with additional through-hole retention tabs for improved mechanical strength on the PCB. This connector supports reversible USB-C plug insertion, making it suitable for modern embedded systems, consumer electronics, and charging/data interfaces. It is optimized for compact designs while maintaining reliable electrical and mechanical performance. Key Features Electrical Characteristics USB Standard: USB 2.0 (up to 480 Mbps data rate) Rated Current: up to 5 A (VBUS) Rated Voltage: 48 VDC max Mechanical / Physical Connector Type: USB Type-C receptacle Mounting: Surface Mount (SMT) + through-hole stakes Orientation: Right-angle (horizontal) Number of Contacts: 24 positions (16 active + 8 dummy) Contact Plating: Gold (≈3 µin) for durability Mating Cycles: ~10,000 insertions Materials & Build Shielding: Fully shielded (metal shell, SUS304) Insulator Material: UL94 V-0 rated (flame-retardant) Operating Temperature: -25°C to +85°C Packaging: Tape & Reel (TR) for automated assembly Series: UJ20 (Same Sky / former CUI Devices) Typical Applications Embedded systems (e.g., MCU/SoC boards) Power + data interface for IoT devices Consumer electronics (chargers, hubs, accessories) Development boards and custom PCB designs Quick Insight (Design Tip) Even though it’s a USB-C connector, this specific part is USB 2.0 only—so: No SuperSpeed (TX/RX) lines Only VBUS, GND, CC1/CC2, D+ / D- are typically used #CommonPartsLibrary #Connector #USB

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

N-Channel 100 V 33A (Tc) 130W (Tc) Surface Mount D2PAK MOSFET N-CH 100V 33A D2PAK

Electronic Fuse Regulator 5.3A 20-WQFN (3x4) The TPS25940LRVCR is a compact eFuse (electronic fuse) power management IC from Texas Instruments designed to provide advanced power-path protection and load management for systems such as SSDs, servers, storage devices, and embedded electronics. It integrates protection features like overcurrent limiting, reverse current blocking, overvoltage protection, and controlled startup sequencing into a single chip. Wide input voltage range: 2.7 V to 18 V Adjustable current limit: 0.6 A to 5.3 A Low ON resistance: 42 mΩ typical True reverse current blocking using back-to-back MOSFETs Programmable output slew rate (dV/dt control) for inrush current management Overvoltage and undervoltage protection Fault and Power-Good outputs for system monitoring Current monitor (IMON) output Low-power DevSleep support for SSD applications Fast reverse voltage shutdown (~1 µs) Operating temperature: −40°C to +125°C junction temperature Available in a compact 20-pin WQFN package Typical Applications PCIe / SATA / SAS SSDs and HDDs Enterprise servers and storage systems RAID controller cards Smart load switches Set-top boxes and gaming systems Backup power and holdup capacitor systems Component Category This component belongs to: Power Management IC (PMIC) More specifically: eFuse / Hot-swap / Load Switch IC Package Information Package type: 20-WQFN (3 mm × 4 mm) Mounting type: Surface Mount (SMD) #commonpartslibrary #integratedcircuit #powermanagement #currentregulation