Battery Holder (Open) 9V 1 Cell PC Pin 9V battery holder through hole The BH9VPC is a through-hole, printed circuit board–mount battery holder designed to accommodate a single standard 9 V (PP3) battery. It provides a secure mechanical enclosure and reliable electrical interface for powering electronic assemblies directly from a PCB. The holder is constructed from durable insulating material with integrated metal contacts to ensure stable retention and consistent electrical connection during operation. Its form factor supports straightforward integration into compact designs while maintaining ease of battery replacement. Engineering Specification: The component is intended for through-hole mounting using PC pins that provide both mechanical stability and electrical connection to the circuit board. It supports one 9 V battery with standard snap terminal interface internally routed to PCB pins. The housing material is typically molded plastic with good mechanical strength and electrical insulation properties suitable for general electronic applications. Contact terminals are metal, commonly nickel-plated or equivalent, to ensure low contact resistance and corrosion resistance over repeated battery insertions. The holder is designed for vertical mounting orientation relative to the PCB, with a compact footprint suitable for space-constrained layouts. It provides sufficient retention force to secure the battery under normal handling and vibration conditions encountered in consumer and light industrial electronics. The operating characteristics are aligned with typical 9 V battery usage, supporting low to moderate current applications depending on battery capability. The part is compatible with standard wave soldering processes used in through-hole assembly. It is intended for use in ambient environmental conditions typical of indoor electronic equipment and is not inherently sealed against moisture or contaminants. The design allows easy manual insertion and removal of the battery without specialized tools, supporting maintenance and replacement in field applications. #commonpartslibrary #batteryholder

OR Controller N+1 ORing Controller N-Channel 1:1 TSOT-23-8 The LM74700QDDFRQ1 is an automotive-qualified ideal diode controller designed to provide reverse polarity protection, reverse current blocking, and input power path management in low-voltage DC power systems. The device controls an external N-channel MOSFET to emulate an ideal diode with very low forward voltage drop and reduced power dissipation compared to conventional Schottky diodes. It is optimized for automotive and industrial applications requiring robust protection against negative supply voltages, load dump conditions, and reverse battery events. The controller supports wide input voltage operation and integrates fast response circuitry for fault handling and transient protection. The device is suitable for power OR-ing, hot-swap, redundant power supply systems, and battery-connected applications where efficiency, reliability, and thermal performance are critical. Engineering Specification Device Type Automotive ideal diode controller with reverse battery and reverse current protection Qualification Standard AEC-Q100 qualified for automotive applications Control Topology External N-channel MOSFET controller for ideal diode operation Input Voltage Range Supports wide automotive and industrial supply voltage ranges Reverse Polarity Protection Provides protection against negative input voltage conditions and reverse battery connection Reverse Current Blocking Actively prevents reverse current flow during output-to-input fault conditions Forward Voltage Drop Low conduction losses through external MOSFET control for high-efficiency power delivery Transient Protection Capable of handling automotive transient events including load dump conditions Gate Drive Control Integrated gate driver optimized for fast MOSFET switching and protection response Power Path Management Supports power OR-ing and redundant supply architectures Fault Response Fast turn-off during reverse current and fault events Current Consumption Low operating quiescent current suitable for always-on systems Thermal Performance Designed for efficient thermal operation with external MOSFET-based power dissipation Operating Temperature Range Automotive-grade extended temperature operation Package Type Small-outline automotive package suitable for compact PCB layouts #commonpartsLibrary #integratedcircuit #powermanagement #orcontroller

2 Position Wire to Board Terminal Block Horizontal with Board 0.200" speaker terminal block 2 pin 5.08mm AK300/3 KF301-2P 5.08mm The 277-1247-ND connector is an electronic interconnect component intended for establishing reliable electrical connections between conductors or between a conductor and a printed circuit assembly. It is designed for ease of installation, secure retention, and consistent electrical performance in low- to moderate-power applications. The connector supports efficient wiring configurations while maintaining mechanical stability and minimizing contact resistance. It is suitable for use in prototyping, industrial assemblies, and general-purpose electronic systems where dependable connectivity and repeatable termination are required. Engineering Specification The connector shall provide a stable electrical interface capable of maintaining low contact resistance under specified operating conditions. It shall be constructed from materials that ensure adequate conductivity, corrosion resistance, and mechanical durability over its intended service life. The housing shall be fabricated from an insulating material with sufficient ताप resistance and dielectric strength to prevent electrical leakage or shorting during normal operation. The contact mechanism shall support secure wire or terminal engagement, preventing accidental disconnection due to vibration or handling. The connector shall accommodate compatible wire gauges within its rated range and ensure proper clamping or retention without causing conductor damage. Electrical ratings shall align with standard low-voltage applications, including defined limits for current and voltage handling. Mechanical dimensions shall conform to manufacturer-defined tolerances to ensure compatibility with mating components or mounting interfaces. The connector shall be designed for straightforward installation using common tools or manual insertion methods, depending on its termination style. Environmental performance shall include resistance to typical ambient conditions such as humidity and moderate temperature variation, without degradation of electrical or mechanical properties. The connector shall meet applicable industry standards for safety and performance where relevant. #CommonPartsLibrary #Connector #COMBICON MKDSN

2/2 Transceiver Full RS232 16-SOIC The MAX3232ECWE+T is a dual-channel RS-232 transceiver manufactured by Analog Devices under the Maxim Integrated product family. This integrated circuit is designed to provide reliable bidirectional communication between TTL or CMOS logic-level devices and RS-232 serial communication interfaces. The device integrates charge-pump voltage converters and line drivers/receivers, enabling full RS-232 signal compliance using a single low-voltage power supply. The transceiver supports high-speed serial data communication while maintaining low power consumption and robust signal integrity. It is widely used in embedded systems, industrial automation equipment, communication interfaces, instrumentation systems, microcontroller platforms, portable electronics, and legacy serial communication applications. The MAX3232ECWE+T enables seamless voltage-level translation between modern low-voltage digital electronics and traditional RS-232 communication standards. Its compact surface-mount package and integrated functionality reduce external component requirements and simplify serial interface implementation in space-constrained electronic systems. Engineering Specification Device Type RS-232 transceiver interface IC Communication Standard RS-232 serial communication interface Channel Configuration Dual driver and dual receiver architecture Logic Compatibility TTL and CMOS logic-level interface support Voltage Conversion Integrated charge-pump voltage generation Data Communication Bidirectional asynchronous serial communication support Signal Characteristics Compliant RS-232 voltage-level transmission and reception Power Characteristics Low-voltage single-supply operation Data Rate Performance High-speed serial communication capability Protection Features Robust communication interface tolerance and stable signal operation Package Type SOIC surface-mount package Mounting Style Surface mount technology Applications Embedded systems Industrial automation Serial communication interfaces Microcontroller systems Instrumentation equipment Portable electronics Communication gateways Legacy serial devices Data acquisition systems RS-232 interface conversion Manufacturer Analog Devices / Maxim Integrated #commonpartslibrary #rs232 #serialcommunication #transceiver #interfaceic #maximintegrated #analogdevices #embeddedhardware #communicationinterfaces #surfaceountcomponents #electronicsdesign #industrialelectronics #microcontroller #datacommunication #signalconversion

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41I-AD1B-R2 is a high-accuracy digital humidity and temperature sensor from Sensirion designed for industrial and harsh-environment applications requiring reliable environmental monitoring. The device integrates calibrated relative humidity and temperature sensing elements with signal processing and digital communication in a compact surface-mount package. It provides fully calibrated digital output through an I²C interface, enabling straightforward integration into embedded systems, industrial controllers, HVAC equipment, environmental monitoring systems, portable instrumentation, and IoT devices. The sensor incorporates low power consumption, fast response time, and enhanced long-term stability for precision sensing applications. Engineering Specification Manufacturer: Sensirion AG Manufacturer Part Number: SHT41I-AD1B-R2 Device Type: Digital Relative Humidity and Temperature Sensor Sensor Functions: Relative Humidity Measurement and Temperature Measurement Humidity Sensing Range: Full Relative Humidity Range Support Temperature Sensing Range: Wide Industrial Temperature Operating Range Humidity Accuracy: High-Precision Calibrated Measurement Temperature Accuracy: High-Precision Calibrated Measurement Output Interface: I²C Digital Serial Interface Supply Voltage: Low Voltage Operation Compatible with Embedded Systems Power Consumption: Ultra-Low Power Consumption Calibration: Factory Calibrated and Linearized Response Time: Fast Environmental Response Repeatability: High Measurement Repeatability Long-Term Stability: Optimized for Industrial Reliability Integrated Features: Signal Conditioning, Analog-to-Digital Conversion, Temperature Compensation, CRC Data Integrity Checking Package Type: Surface-Mount DFN Package Mounting Style: Surface Mount Technology Application Areas: Industrial Automation, HVAC Systems, Environmental Monitoring, Smart Sensors, Portable Devices, Data Loggers, IoT Equipment, Building Automation, Weather Monitoring Systems Compliance Features: RoHS Compliant and Halogen-Free Packaging Support #CommonPartsLibrary #Sensor #Transducer #Moisture-Sensor #SHT4