680 kOhms ±5% 0.25W, 1/4W Through Hole Resistor Axial Automotive AEC-Q200 Carbon Film The CFR-25JB-52-680K is a carbon film through-hole resistor designed for general-purpose electronic applications requiring stable resistance characteristics, reliable long-term performance, and cost-effective implementation. This resistor is commonly used in signal conditioning, voltage division, pull-up and pull-down networks, biasing circuits, and low-power analog or digital systems. Its axial leaded construction supports automated insertion and conventional through-hole assembly methods, making it suitable for consumer electronics, industrial controls, instrumentation, and embedded systems. The device utilizes carbon film resistive technology to provide dependable electrical performance with moderate noise characteristics and good environmental stability. The flame-retardant coating enhances mechanical durability and improves resistance against moisture and environmental exposure. The component is optimized for standard operating environments where compact size, stable operation, and economical design are required. Electrical Characteristics Resistance Value: 680 kΩ Resistance Tolerance: ±5% Resistor Technology: Carbon Film Rated Power Dissipation: 1/4 W Maximum Working Voltage: 250 V Maximum Overload Voltage: 500 V Temperature Coefficient: ±350 ppm/°C Insulation Resistance: High reliability insulation structure suitable for general electronic equipment Mechanical Characteristics Package Type: Axial Through-Hole Mounting Style: Through Hole Body Style: Cylindrical Flame-Retardant Coated Body Lead Material: Tin-Plated Copper Lead Configuration: Axial Leads for PCB insertion Environmental Characteristics Operating Temperature Range: −55°C to +155°C Moisture Resistance: Suitable for standard humidity environments Flame Resistance: Flame-retardant protective coating compliant with general safety requirements Applications Signal Conditioning Circuits Voltage Divider Networks Pull-Up and Pull-Down Resistors Industrial Control Electronics Consumer Electronic Products General Analog and Digital Circuitry Embedded Systems and Microcontroller Interfaces #commonpartslibrary #passivecomponents #resistor #carbonfilm #throughhole #axialresistor #powermanagement #analog #digital #industrialelectronics

IC RF TxRx + MCU 802.15.4, Bluetooth Bluetooth v5.0, Thread, Zigbee® 2.4GHz 48-VFQFN Exposed Pad The NRF52840-QFAA-F-R belongs to Nordic’s nRF52 series and supports multiple wireless standards including Bluetooth 5, Bluetooth Low Energy (BLE), Thread, Zigbee, ANT, and proprietary 2.4 GHz protocols. It features a 64 MHz ARM Cortex-M4F CPU with floating-point unit (FPU), making it suitable for both wireless communication and real-time embedded processing. The device integrates large memory resources, rich peripherals, USB support, NFC capability, and advanced security features, reducing the need for external components in wireless embedded designs. Key Features 32-bit ARM Cortex-M4F processor running at 64 MHz 1 MB Flash memory and 256 KB RAM Supports Bluetooth 5 / BLE, Thread, Zigbee, ANT, and proprietary 2.4 GHz protocols IEEE 802.15.4 compliant radio Up to +8 dBm TX output power High receiver sensitivity down to −103 dBm Data rates up to 2 Mbps Ultra-low power consumption for battery-powered applications USB 2.0 Full-Speed controller NFC-A tag support Multiple communication interfaces: SPI UART I2C (TWI) I2S PWM PDM ADC Up to 48 GPIOs Integrated ARM CryptoCell-310 security engine Operating voltage range: 1.7 V to 5.5 V Operating temperature: −40°C to +85°C Compact 48-QFN (6×6 mm) package Typical Applications BLE devices Smart home products Wearables Wireless sensors Industrial IoT HID devices (keyboard/mouse) Asset tracking Mesh networking devices USB dongles and gateways PCB Design Notes Community PCB reviews commonly recommend: Proper RF grounding and 50-ohm antenna routing Using ESD/TVS protection on USB lines Keeping RF matching components close to the antenna Using solid ground planes for 2.4 GHz performance #CommonPartsLibrary #IntegratedCircuit #RF

The ESDA18-1K is a transient voltage suppression and electrostatic discharge protection device designed to protect sensitive electronic circuits from ESD events, surge transients, and electrical overstress conditions. Manufactured by STMicroelectronics and commonly used in communication and embedded electronic systems, this device provides fast-response protection for signal lines and low-voltage interfaces exposed to external electrical disturbances. The component utilizes low-capacitance TVS diode technology to clamp transient voltages while maintaining signal integrity on high-speed communication lines. It is optimized for protecting USB interfaces, GPIO lines, communication ports, sensor interfaces, and portable electronic devices from electrostatic discharge damage and transient spikes. The ESDA18-1K is widely used in industrial electronics, consumer devices, embedded systems, communication hardware, and portable equipment requiring compact and reliable ESD suppression. Its small surface-mount package enables easy integration into high-density PCB layouts while improving overall system reliability and EMC robustness. Engineering Specification Device Type Transient voltage suppression and ESD protection diode Protection Function Electrostatic discharge and surge transient suppression Protection Architecture Single-line TVS protection structure Response Characteristics Fast transient clamping response Signal Compatibility Suitable for low-voltage and high-speed signal interfaces Capacitance Characteristics Low capacitance for minimal signal distortion Electrical Performance Low leakage current and stable clamping behavior Reliability Features High ESD robustness and transient tolerance Mounting Style Surface mount technology Package Type Compact SOD-style surface-mount package Thermal Characteristics Low-power passive protection structure EMC Features Enhanced electromagnetic compatibility protection support Applications USB interface protection GPIO protection Communication interfaces Embedded systems Portable electronics Industrial control hardware Sensor interfaces Consumer electronics Signal line protection Data communication systems Manufacturer STMicroelectronics #commonpartslibrary #esdprotection #tvsdiode #transientprotection #signalprotection #stmicroelectronics #embeddedhardware #electronicsdesign #surfaceountcomponents #communicationinterfaces #usbprotection #industrialelectronics #circuitprotection #electromagneticcompatibility #highspeedinterfaces

24 Bit Analog to Digital Converter 1, 2 Input 1 Sigma-Delta 20-WQFN (3x3) The ADS127L21IRUKR is a high-resolution, low-power delta-sigma analog-to-digital converter designed for precision industrial and instrumentation applications requiring excellent AC and DC performance. The device integrates a single-channel, 24-bit ADC architecture optimized for low noise, wide dynamic range, and high accuracy signal acquisition. It supports simultaneous low-latency and high-resolution measurements, making it suitable for data acquisition systems, energy monitoring, medical instrumentation, vibration analysis, and precision sensor interfaces. The converter incorporates flexible digital filtering options, programmable operating modes, and a high-speed serial communication interface for easy integration into embedded processing systems. Engineering Specification Device Type Low-power, high-resolution delta-sigma analog-to-digital converter Resolution 24-bit Input Channels Single differential analog input channel ADC Architecture Delta-sigma modulator with integrated digital filtering Sampling Performance Supports wide programmable output data rates ranging from low-speed precision measurements to high-speed data acquisition Input Type Differential analog input Reference Input External precision reference supported Signal-to-Noise Performance High dynamic range and low-noise conversion performance suitable for precision sensing applications Digital Filters Integrated selectable digital filters with low-latency and wideband operating modes Communication Interface SPI-compatible serial digital interface Power Supply Operation Low-voltage analog and digital supply operation Power Consumption Optimized low-power operating modes for battery-powered and portable systems Clocking Supports external clock source input Calibration Features Integrated offset and gain calibration capability Temperature Range Industrial operating temperature range Package Type WQFN package Mounting Style Surface-mount device Application Areas Industrial automation, process control, precision instrumentation, medical electronics, seismic monitoring, vibration sensing, energy metering, and sensor signal acquisition systems. #commonpartslibrary #integratedcircuit #analog #digital #converter

The INA333AIDGKRG4 is a precision low-power instrumentation amplifier manufactured by Texas Instruments. This device is designed for accurate differential signal amplification in applications requiring high precision, low offset voltage, low noise, and minimal power consumption. The amplifier architecture provides excellent common-mode rejection performance, making it highly suitable for amplifying low-level sensor signals in electrically noisy environments. The device is optimized for battery-powered and portable systems where low quiescent current and high measurement accuracy are critical. It is widely used in medical instrumentation, industrial sensing systems, bridge amplifier circuits, data acquisition hardware, sensor interfaces, portable measurement equipment, and embedded analog front-end applications. The INA333AIDGKRG4 integrates precision analog circuitry within a compact surface-mount package while supporting rail-to-rail output operation and single-supply functionality. Its low drift characteristics and stable performance across varying environmental conditions make it suitable for high-accuracy instrumentation and long-term measurement systems. Engineering Specification Device Type Precision instrumentation amplifier Amplifier Architecture Differential instrumentation amplifier Input Characteristics High input impedance with low offset voltage Signal Performance Low-noise precision analog signal amplification Common-Mode Rejection High common-mode rejection ratio for noise suppression Gain Characteristics Externally configurable gain setting capability Power Characteristics Low-power operation optimized for portable systems Output Characteristics Rail-to-rail output operation support Supply Configuration Single-supply and low-voltage analog operation Thermal Characteristics Low offset drift and stable thermal performance Package Type VSSOP surface-mount package Mounting Style Surface mount technology Applications Sensor signal conditioning Medical instrumentation Bridge amplifier systems Industrial automation Data acquisition systems Portable measurement devices Embedded analog front-end circuits Strain gauge amplification Battery-powered instrumentation Precision sensing applications Manufacturer Texas Instruments #commonpartslibrary #instrumentationamplifier #analogfrontend #precisionanalog #signalconditioning #texasinstruments #embeddedhardware #medicalelectronics #industrialelectronics #analogdesign #surfaceountcomponents #sensorinterface #lowpowerdesign #dataacquisition #electronicsdesign

The LSM6DSOXTR is a low-power inertial measurement unit integrating a three-axis accelerometer and a three-axis gyroscope within a compact surface-mount package. Designed for motion tracking, gesture recognition, activity monitoring, and sensor fusion applications, the device incorporates embedded machine learning capabilities and programmable finite state machines to enable intelligent edge processing with reduced host processor workload. The sensor supports high-performance motion sensing while maintaining low power consumption, making it suitable for wearable devices, IoT products, industrial monitoring systems, smart home equipment, and portable electronics. Engineering Specification Device Type Six-axis inertial measurement unit featuring a three-axis accelerometer and three-axis gyroscope. Sensor Functions Motion sensing, orientation detection, vibration monitoring, gesture recognition, activity tracking, tilt sensing, and sensor fusion. Integrated Features Embedded machine learning core, finite state machine engine, sensor hub functionality, timestamp generation, event detection, and programmable interrupt generation. Communication Interface Supports digital communication through I²C, SPI, and I³C interfaces for integration with microcontrollers and embedded processors. Power Characteristics Optimized for low-power operation with multiple performance modes supporting battery-powered and always-on applications. Measurement Capabilities Provides configurable acceleration and angular rate measurement ranges with programmable output data rates and digital filtering options. Embedded Intelligence Includes on-chip machine learning and event classification capabilities to enable local data processing and reduce system power consumption. Package Style Compact surface-mount LGA package suitable for space-constrained electronic designs. Applications Wearable electronics, asset tracking devices, industrial sensors, robotics, smart appliances, navigation systems, handheld devices, health monitoring equipment, and IoT products. Manufacturer STMicroelectronics. Hashtags #LSM6DSOXTR #STMicroelectronics #IMU #MotionSensor #Accelerometer #Gyroscope #SensorFusion #MachineLearningCore #EmbeddedSystems #WearableElectronics #IndustrialAutomation #IoT #SmartDevices #MEMS #CommonPartsLibrary

Buck Switching Regulator IC Positive Adjustable 1.8V 1 Output 750mA 8-VFDFN The TPS62840 is a high-efficiency step-down converter with ultra-low operating quiescent current of typically 60 nA. The device contains special circuitry to achieve just 120 nA IQ in 100% mode to further extend battery life near the end of discharge. The device uses DCS-Control to cleanly power radios and operates with a typical switching frequency of 1.8 MHz. In Power-Save Mode, the device extends the light load efficiency down to a load current range of 1 μA and below. 16 predefined output voltages can be selected by connecting a resistor to pin VSET, making the device flexible for various applications with a minimum amount of external components. The STOP pin of the device immediately eliminates any switching noise in order to take a noise-free measurement in test and measurement systems. The TPS62840 provides an output current of up to 750 mA. With an input voltage of 1.8 V to 6.5 V, the device supports multiple power sources such as 2S to 4S Alkaline, 1S to 2S Li-MnO2 , or 1S Li-Ion/LiSOCl2 Features 1• 60-nA operating quiescent current • 100% duty-cycle mode with 120-nA IQ • Input voltage range VIN from 1.8 V to 6.5 V • Output current up to 750 mA • RF friendly DCS-Control™ • 80% efficiency at 1 µA IOUT (3.6 VIN to 1.8 VOUT) • 16 selectable output voltages via VSET pin • Auto transition PFM/PWM or forced-PWM mode • Selectable forced PWM and STOP modes • Output discharge function • 25-nA shutdown current #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Charger IC Lithium Ion/Polymer 29-VQFN-HR (4x4) The BQ25792 is a switch-mode synchronous buck-boost charger with full power-path management. It can automatically regulate power flow between the input source, system load, and battery. It supports a wide input range and is designed for USB Type-C™ / USB Power Delivery (USB-PD) systems, enabling both charging and OTG (power output from battery) operation. ⭐ Key Features ⚡ High-performance charging Up to 5 A charge current Supports 1S to 4S battery packs High efficiency (up to ~96% under typical conditions) Programmable switching frequency: 750 kHz or 1.5 MHz 🔋 Wide input support Input voltage range: 3.6 V to 24 V Absolute max rating up to 30 V Supports USB adapters and barrel jack sources Detects USB charging standards (BC1.2, DCP, CDP, HVDCP, etc.) 🔄 Buck-boost power conversion Seamless buck, boost, and buck-boost operation Maintains stable system voltage even when battery is low or input varies 🔌 USB-PD / OTG support USB Power Delivery (PD 3.0 compatible) Supports OTG output (battery powers USB port) OTG voltage range: 2.8 V to 22 V 🧠 Intelligent power management NVDC power path management (system can run without battery) Dual-input power mux controller (select between two power sources) Battery supplement mode (prevents input overload) 📊 Monitoring & control Integrated 16-bit ADC for voltage, current, temperature monitoring Fully I²C configurable Autonomous or host-controlled operation 🛡️ Protection & safety Input and battery over-voltage/over-current protection Thermal regulation and shutdown Charging safety timer MOSFET protection (internal switching FETs included) 📦 Package 29-pin VQFN (4 mm × 4 mm) package Industrial temperature range: -40°C to 85°C #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Battery-charger