This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this breakout to both measure both the high side voltage and DC current draw over I2C with 1% precision. #Sublayout #CurrentSensor

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

High availability LCSC 18650 SMD Battery Holder Imported from Samacsys BH18650B1BA002 https://datasheet.lcsc.com/lcsc/2204021730_MYOUNG-BH-18650-B1BA002_C2988620.pdf Battery case 18650 SMD Battery Connectors 15.06 MYOUNG BH-18650-B1BA002 #part #battery #18650

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 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

Accelerometer X, Y, Z Axis ±2g, 4g, 8g, 16g 0.05Hz ~ 1.6kHz 14-LGA (3x5) The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (3.9 mg/LSB) enables measurement of inclination changes less than 1.0°. Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion by comparing the acceleration on any axis with user-set thresholds. Tap sensing detects single and double taps in any direction. Free-fall sensing detects if the device is falling. These functions can be mapped individually to either of two interrupt output pins. An integrated memory management system with a 32-level first in, first out (FIFO) buffer can be used to store data to minimize host processor activity and lower overall system power consumption. Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation. The ADXL345 is supplied in a small, thin, 3 mm × 5 mm × 1 mm, 14-lead, plastic package. ► Ultralow power: as low as 23 µA in measurement mode and 0.1 µA in standby mode at VS = 2.5 V (typical) ► Power consumption scales automatically with bandwidth ► User-selectable resolution ► Fixed 10-bit resolution ► Full resolution, where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all g ranges) ► Embedded memory management system with FIFO technology minimizes host processor load ► Single tap/double tap detection ► Activity/inactivity monitoring ► Free-fall detection ► Supply voltage range: 2.0 V to 3.6 V ► I/O voltage range: 1.7 V to VS ► SPI (3- and 4-wire) and I2C digital interfaces ► Flexible interrupt modes mappable to either interrupt pin ► Measurement ranges selectable via serial command ► Bandwidth selectable via serial command ► Wide temperature range (−40°C to +85°C) ► 10,000 g shock survival ► Pb free/RoHS compliant #commonpartslibrary #sensor #transducer #accelerometer

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

The Grove - CO2 & Temperature & Humidity Sensor (SCD30) is a high precision carbon dioxide sensor, which is based on Sensirion SCD30. The measuring range of this sensor is 0 ppm-40'000 ppm, and the measurement accuracy can reach to ±(30 ppm + 3%) between 400ppm to 10'000ppm.

Magnitude Comparator Bit Active High Output A<B, A=B, A>B 16-PDIP #CommonPartsLibrary #IntegratedCircuit #Logic #Comparator #74LS85

The NE555 devices are precision timing circuits capable of producing accurate time delays or oscillation. In time-delay or monostable operating modes, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle are controlled independently with two external resistors and a single external capacitor. Each timer has a trigger level equal to approximately one-third of the supply voltage and a threshold level equal to approximately two-thirds of the supply voltage. These levels can be altered by use of the control voltage pin (CONT). When the trigger input (TRIG) is less than the trigger level, the flip-flop is set and the output goes high. If TRIG is greater than the trigger level and the threshold input (THRES) is greater than the threshold level, the flip-flop is reset and the output is low. The reset input (RESET) overrides all other inputs and is used to initiate a new timing cycle. If RESET is low, the flip-flop is reset and the output is low. Whenever the output is low, a lowimpedance path is provided between the discharge pin (DISCH) and the ground pin (GND). Tie all unused inputs to an appropriate logic level to prevent false triggering. The output circuit is capable of sinking or sourcing current up to 200mA. Operation is specified for supplies of 5V to 15V. With a 5V supply, output levels are compatible with TTL inputs. Features - Timing from microseconds to hours - Astable or monostable operation - Adjustable duty cycle - TTL-compatible output can sink or source up to 200mA - On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. Applications - Pulse-shaping circuits - Missing-pulse detectors - Pulse-width modulators - Pulse-position modulators - Sequential timers - Pulse generators -F requency dividers - Industrial controls

High Speed, 30V, Differential Comparator With Strobes 0 to 70 8-SOIC #CommonPartsLibrary #Integratedcircuit #Linearcomparator

SDRAM - Mobile LPDDR4X Memory IC 8Gbit Parallel 2.133 GHz 200-FBGA (10x15) The IM8G32L4JCBG-046I is an 8Gb (1GB) LPDDR4X SDRAM memory device designed for high-performance, low-power embedded applications. Organized as 256M × 32 bits, it delivers data rates up to 4266 MT/s, making it suitable for industrial computing, AI edge devices, networking equipment, automotive systems, and other memory-intensive applications. The LPDDR4X architecture reduces power consumption while maintaining high bandwidth and reliable operation across industrial temperature ranges. Key Features 8Gb (Gigabit) LPDDR4X SDRAM Memory organization: 256M × 32 bits High-speed operation up to 4266 MT/s Low-power LPDDR4X interface for reduced energy consumption 32-bit data bus width Industrial operating temperature range: –40°C to +95°C 200-ball FBGA package (10 mm × 15 mm) High bandwidth for demanding embedded applications Optimized for low-power and thermally constrained designs Suitable for industrial, automotive, networking, and edge AI systems #LPDDR4X #SDRAM #MemoryIC #EmbeddedSystems #IndustrialElectronics #EdgeComputing #AIoT #HighSpeedMemory #LowPowerDesign #AutomotiveElectronics #NetworkingHardware #FBGA #HardwareDesign #ElectronicsEngineering #PCBDesign #IntelligentMemory

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

555 Type, Timer/Oscillator (Single) IC 100kHz 8-PDIP NE555 DIP-8 through hole The NE555P is a classic and widely used precision timer IC manufactured by companies like Texas Instruments and others. It belongs to the popular 555 timer family and is designed for generating accurate time delays, oscillations, and pulse signals. The “P” variant refers to the PDIP (Plastic Dual In-line Package), making it ideal for through-hole mounting, breadboarding, and prototyping. NE555P PDIP-8 timer Internally, the NE555P consists of: Two comparators A flip-flop A discharge transistor A voltage divider network These blocks allow flexible configuration for timing and waveform generation. Key Features Timing & Operation Modes Monostable mode (one-shot pulse generation) Astable mode (continuous oscillator) Bistable mode (flip-flop operation) Electrical Characteristics Supply voltage range: 4.5V to 16V Output can source or sink up to 200 mA Adjustable duty cycle Performance High timing accuracy and stability Timing range from microseconds to hours (depends on external R and C) Temperature-stable operation Package & Usability 8-pin DIP (through-hole) package Easy to use for: Breadboards DIY electronics Educational projects Common Applications LED flashers and blinkers Pulse generation Time delay circuits PWM control (e.g., dimming LEDs, motor speed control) Tone/sound generation #Timer #commonpartslibrary

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

Telecom Relay DPDT (2 Form C) Through Hole The G6K-2P-Y DC5 is a compact, ultra-miniature signal relay designed for high-density PCB mounting applications. Manufactured by Omron, this relay features a DPDT (2 Form C) contact configuration and operates with a 5 VDC coil. It is optimized for switching low-level signals and is commonly used in telecommunications, test and measurement equipment, and consumer electronics where space-saving and high reliability are critical. Key Features Ultra-miniature, low-profile design for high-density mounting DPDT (2 Form C) contact configuration High sensitivity coil (low power consumption) Gold-clad contacts for low-level signal switching High reliability and long mechanical life Fully sealed construction (flux protection) Suitable for surface-mount and through-hole variants (depending on suffix) Electrical Characteristics Coil Specifications Rated Coil Voltage: 5 VDC Coil Resistance: ~125 Ω Coil Current: ~40 mA Power Consumption: ~200 mW Must Operate Voltage: ≤ 75% of rated voltage Must Release Voltage: ≥ 10% of rated voltage Contact Specifications Contact Configuration: DPDT (2 Form C) Contact Material: Gold-clad silver alloy Contact Rating: 1 A at 30 VDC 0.5 A at 125 VAC Maximum Switching Voltage: 125 VAC / 60 VDC Maximum Switching Current: 1 A Maximum Switching Power: 30 W (DC) 62.5 VA (AC) Timing Characteristics Operate Time: ≤ 3 ms Release Time: ≤ 3 ms Insulation Characteristics Insulation Resistance: ≥ 1,000 MΩ (at 500 VDC) Dielectric Strength: Between Coil and Contacts: 1,000 VAC (1 min) Between Open Contacts: 500 VAC (1 min) Mechanical Characteristics Mounting Type: Through-hole (Y variant, PCB terminal) Weight: ~1 g Enclosure: Sealed (flux-resistant) Environmental Specifications Operating Temperature Range: -40°C to +70°C Storage Temperature Range: -40°C to +85°C Vibration Resistance: 10 to 55 Hz, 1.5 mm double amplitude Shock Resistance: 1,000 m/s² Life Expectancy Mechanical Life: ≥ 100 million operations Electrical Life: ≥ 100,000 operations (at rated load) Applications Telecommunications equipment Test and measurement instruments Audio signal routing Industrial control systems Consumer electronics Package Information Manufacturer: Omron Electronics Series: G6K Part Number: G6K-2P-Y DC5 #commonpartslibrary #relay

General Purpose Amplifier 2 Circuit, Dual, High Speed, Programmable, Current Mode (Norton) Amplifiers 14-SOIC