5V relay re-usable, modular, a sub-layout. This project is a dedicated design for a compact and reliable 5V relay module engineered to safely switch higher-power loads using a logic-level 5V control input. It features robust electrical performance with an integrated optoisolator that provides essential isolation and protection between control circuitry and the relay output, ensuring enhanced stability and reduced electrical noise. The design includes user-friendly terminals and status indicator LEDs for real-time feedback, making it ideal for seamless integration with microcontrollers in automation, control systems, and various embedded applications. Optimized for manufacturing-ready PCB layouts, this reliable module is perfect for prototyping and production in modern electronics projects. #5Vrelay #relaymodule #electronics #PCBdesign #automation #embeddedprojects #module #sublayout

2 Position Wire to Board Terminal Block Horizontal with Board 0.197" (5.00mm) Through Hole screw terminal 2 pin 3.5mm This component is a printed circuit board mounted screw terminal block designed to provide a secure and serviceable wire-to-board connection. It accommodates two conductors and uses a screw clamp mechanism to ensure reliable electrical and mechanical contact. The compact 3.5 mm pitch makes it suitable for space-constrained designs while maintaining adequate creepage and clearance distances for low-voltage applications. The terminal is intended for through-hole mounting and supports field wiring without the need for specialized tools, making it appropriate for industrial control systems, power distribution modules, and general-purpose electronic assemblies. Mechanical Characteristics: The terminal block is constructed with a high-temperature thermoplastic housing that provides mechanical strength and electrical insulation. The housing is typically green in color and designed for side-entry wire insertion. The clamping system uses metal screws and pressure plates to secure stripped wire ends. The component is designed for through-hole PCB mounting with soldered pins providing structural stability. The form factor supports modular placement along the PCB edge for accessible wiring. Electrical Characteristics: The device is designed for low to moderate voltage and current applications typical of signal and power connections in control electronics. Conductive elements are made from metal alloys with appropriate plating to ensure good conductivity and resistance to corrosion. The screw clamp connection provides stable contact resistance under vibration and thermal cycling conditions. Material and Environmental Characteristics: The insulating body is made from flame-retardant thermoplastic material compliant with relevant safety standards. The component is suitable for standard operating temperature ranges encountered in industrial and commercial electronics. Materials are selected to meet common environmental and regulatory requirements such as RoHS compliance. Application Considerations: This terminal block is intended for applications requiring reliable field wiring connections, ease of maintenance, and secure termination. It is commonly used in power supplies, control panels, interface modules, and embedded systems. Proper PCB footprint design and adherence to recommended soldering practices are required to ensure optimal performance and reliability. #CommonPartsLibrary #Connector #Terminal-Block #WR-TBL Series 1377

Fuse Holder 32V 1 Circuit Blade Through Hole The 178.6764.0001 is an automotive blade fuse holder from Littelfuse, part of the MINI® FL1 series, designed for direct PCB mounting (through-hole). It allows easy integration of a single MINI blade fuse into a printed circuit board for overcurrent protection. This component is commonly used in automotive electronics, industrial control systems, and embedded power circuits, where compact and reliable fuse protection is required. Key Features Fuse Type Compatibility Supports MINI® automotive blade fuses (ATM/APM type) PCB Mount (Through-Hole) Designed for direct soldering to PCB for strong mechanical support Current Capability Up to 30 A maximum ~22 A continuous rating Voltage Rating Up to 58 VDC (automotive systems) Single Fuse Position Holds 1 fuse per holder Thermoplastic Housing Heat-resistant black body UL94 V-0 flammability rating for safety Contact Material Tin-plated copper alloy terminals for reliable conductivity Standard PCB Pitch Approx. 7.62 mm pin spacing Modular Design Multiple holders can be mounted side-by-side for multi-channel protection blade fuse holder automotive PCB #Circuit-Protection #Fuseholders #FL1

Connector Header Through Hole 6 position 0.100" Pin Header 1x06 2.54mm PinHeader 1x6 2.54mm The TSW-106-07-G-S is a through-hole vertical header designed for board-to-board and board-to-wire interconnection in electronic systems. It is part of a precision connector series known for high reliability, consistent mechanical alignment, and excellent electrical performance. The component is commonly used in applications requiring modular connectivity, prototyping flexibility, and secure signal routing between printed circuit boards or peripheral interfaces. Its design supports repeated mating cycles while maintaining stable contact integrity, making it suitable for both development and production environments. Functional Description This component functions as a single-row header that provides a direct electrical interface between a printed circuit board and a mating connector or cable assembly. It enables straightforward signal or power routing through plated pins that are soldered into the PCB. The vertical orientation allows perpendicular mating, supporting compact and efficient board layouts. The connector is designed to ensure proper alignment and retention during mating, reducing the risk of intermittent connections. Electrical Characteristics The header supports low-voltage signal transmission and moderate current levels typical of board-level interconnects. It offers low contact resistance to maintain signal integrity and efficient current flow. The contact system is designed to provide consistent electrical performance across repeated insertions, ensuring reliability in both signal and power applications. Mechanical Characteristics The component features a robust insulating housing that maintains pin alignment and structural integrity during handling and operation. The contact pins are fabricated from conductive material and plated to enhance durability, conductivity, and مقاومت to corrosion. The through-hole mounting style provides strong mechanical anchoring to the printed circuit board, improving resistance to mechanical stress and vibration. The design supports reliable mating with compatible connectors and ensures long service life. Environmental Characteristics The TSW-106-07-G-S is constructed using materials that provide stable performance under typical environmental conditions encountered in electronic assemblies. It is designed to withstand standard temperature ranges and environmental stresses such as humidity and mechanical handling, maintaining electrical and mechanical reliability over time. Applications This header is widely used in embedded systems, industrial electronics, development platforms, communication equipment, and general-purpose PCB interconnect applications. It is especially suited for designs requiring modular connectivity, easy assembly, and dependable signal transfer. Summary The TSW-106-07-G-S from Samtec is a reliable through-hole header solution that combines mechanical durability with stable electrical performance. Its straightforward design, compatibility with standard interconnect systems, and suitability for a wide range of applications make it a common choice for board-level connectivity in modern electronic designs. #CommonPartsLibrary #Connector #Header #TSW

Bluetooth, WiFi 802.11b/g/n/ax, Bluetooth v5.4 Transceiver Module 2.4GHz Integrated, Chip Surface Mount Silicon Labs SiWG917 module is our lowest power Wi-Fi 6 plus Bluetooth LE 5.4, ideal for ultra-low power IoT wireless devices using Wi-Fi®, Bluetooth, Matter, and IP networking for secure cloud connectivity. It is optimal for developing battery operated devices that need long battery life. SiWG917 module includes an ultra-low power Wi-Fi 6 plus Bluetooth Low Energy (LE) 5.4 wireless CPU subsystem, and an integrated micro-controller (MCU) application subsystem, security, peripherals and power management subsystem all in a single 16 x 21.1 x 2.3 mm package. The wireless subsystem consists of a multi-threaded Network Wireless Processor (NWP) running up to 160 MHz, baseband digital signal processing, analog front end, 2.4 GHz RF transceiver and integrated power amplifier. The application subsystem consists of an ARM® Cortex®-M4 running up to 180 MHz, embedded SRAM, flash, ultra-low power sensor hub, and matrix vector processor. The ARM® Cortex®-M4 is dedicated for peripheral and application-related processing, while the NWP runs the wireless and networking stacks on independent threads, thus providing a fully integrated solution that is ready for a wide range of embedded wireless IoT applications. The modules come with modular radio type approvals for various countries, including USA (FCC), Canada (IC/ISED) and Japan (MIC), and are in compliance with the relevant EN standards (including EN 300 328 v2.2.2) for the conformity with the directives and regulations in EU and UK. KEY FEATURES • Wi-Fi 6 Single Band 2.4 GHz 20 MHz 1x1 stream IEEE 802.11 b/g/n/ax • Bluetooth LE 5.4 • Single chip Matter Over Wi-Fi Solution • ARM® Cortex® M4 Processor with FPU subsystem up to 180 MHz with rich set of Digital and Analog Peripherals. • Wi-Fi 6 Benefits: TWT for improved efficiency and longer battery life, MUMIMO/OFDMA for Higher Throughput, network capacity and low latency • Best in Class Device and Wireless Security • WLAN Tx power up to +17.5 dBm with integrated PA • Bluetooth LE Tx power up to +17 dBm with integrated PA • WLAN Rx sensitivity as low as -95.5 dBm • Wi-Fi 4 Standby Associated mode current: 71 μA @ 1-second listen interval • Embedded Flash option up to 8 MB/ optional external Flash up to 16 MB • Embedded PSRAM option up to 2 MB/ optional external PSRAM option up to 16 MB • Ultra-low power sensor hub peripherals • Matrix Vector Processor (MVP) • Embedded Wi-Fi, Bluetooth LE, Matter, and networking stacks supporting wireless coexistence • Three software-configurable MCU application memory options for sharing the RAM between the wireless, system, and application (192/256/320 KB) • Operating temperature: -40 to +85 ºC • Operating supply range: 3.0 to 3.63 V • Supply voltage for GPIOs: 1.71 to 3.63 V #WiFi6 #BluetoothLE54 #IoTModule #WirelessSoC #SiliconLabs #EmbeddedSystems #SmartHome #IndustrialIoT #LowPowerDesign #RFModule #ConnectedDevices #EdgeComputing #MatterReady #PCBDesign #ElectronicsEngineering

Jack Modular Connector 8p8c (RJ45, Ethernet) 90° Angle (Right) Shielded, EMI Finger #8P8C_Shielded

Jack Modular Connector 8p8c (RJ45, Ethernet) 90° Angle (Right) Shielded, EMI Finger - 8P8C_LED_Shielded

4 Position Wire to Board Terminal Block Horizontal with Board 0.138" (3.50mm) Through Hole The TE Connectivity 284391-4 is a through-hole mounted PCB terminal block designed for wire-to-board power and signal connections in industrial and electronic control applications. The component belongs to the Buchanan series and features a side-entry wire interface with a horizontal mating orientation. The terminal block supports secure screw-clamp wire termination and is intended for reliable field wiring in low-voltage systems. The connector provides four positions with a 3.5 mm pitch and supports wire sizes from 14 AWG to 30 AWG. The housing is manufactured from polyamide PA66 (Nylon 6/6) with a UL94 V-0 flammability rating. Conductive elements are constructed from brass with tin-plated contacts and nickel-plated clamp and screw components to ensure corrosion resistance and electrical reliability. The device is rated for up to 12 A current and 300 V operation and is suitable for PCB-mounted applications requiring compact, stackable terminal connections. The terminal block includes side interlocking capability for modular multi-position expansion. Engineering Specification Component Type: PCB Terminal Block Manufacturer: TE Connectivity AMP Connectors Series: Buchanan Manufacturer Part Number: 284391-4 Connector Configuration: Wire-to-Board Mounting Type: Through Hole Wire Entry Orientation: Horizontal / Side Entry Number of Positions: 4 Number of Levels: Single Level Pitch: 3.50 mm Wire Termination Method: Screw Rising Cage Clamp Supported Wire Gauge: 14 AWG to 30 AWG Screw Thread Size: M3 Recommended Screw Torque: 0.25 Nm (2.2 lb-in) Rated Current: 12 A Rated Voltage: 300 V AC Housing Material: Polyamide PA66 (Nylon 6/6) Housing Color: Green Flammability Rating: UL94 V-0 Contact Material: Brass Contact Plating: Tin Clamp Material: Brass with Nickel Plating Screw Material: Brass with Nickel Plating Feature Set: Side Interlocking Capability Compliance: RoHS Compliant Mounting Orientation: PCB Straight Mount The component shall be used in applications requiring secure PCB-mounted terminal connections with moderate current handling capability and compact spacing. Typical applications include industrial control systems, embedded electronics, instrumentation, automation interfaces, and low-voltage power distribution assemblies. #commonpartslibrary #connector #header

Jack Modular Connector 8p8c (RJ45, Ethernet) 90° Angle (Right) Shielded, EMI Finger - 8P8C_LED_Shielded_x2 #Generic #Connector #RJ45 #Ethernet #8P8C

Modular Connectors / Ethernet Connectors GIGABIT 1x1 Tab Down RJ45 w/mag No LED #CommonPartsLibrary #Connector #Modular-Connector #RJ45 #Ethernet

Jack Modular Connector 8p8c (RJ45, Ethernet) 90° Angle (Right) Shielded, EMI Finger Cat5 #commonpartslibrary #connector #jack #modular #8p8c #rj45

67 Position Female Connector M.2 (NGFF) Mini Card Gold 0.020" (0.50mm) Black # Engineering Specification ## Product Name 2199230-4 ## General Description 2199230-4 is a surface mount board-edge connector designed to support standardized M.2 module interfaces, specifically configured for Key E applications used in wireless communication, embedded computing, and high-speed peripheral expansion systems. The component provides a reliable mechanical and electrical interface between a host printed circuit board and a removable or fixed M.2 module. The connector is engineered to accept gold-finger edge contacts from an M.2 module, enabling secure signal transmission for high-speed data communication, power delivery, and control signaling. Its design supports stable mechanical retention, precise alignment, and consistent electrical contact performance under repeated mating cycles. This component is widely used in industrial computing platforms, telecommunications equipment, IoT devices, and embedded system architectures where modular expansion and standardized connectivity are required. It enables flexible system design by allowing interchangeable M.2 modules for wireless communication, storage, and specialized processing functions. The design emphasizes signal integrity, mechanical durability, and compatibility with high-density PCB layouts. It is suitable for applications requiring robust high-frequency performance and reliable long-term mechanical stability. ## Functional Requirements ### Module Interface The connector shall provide a standardized interface for M.2 Key E module insertion and electrical connection. ### Signal Transmission The connector shall support high-speed electrical signal routing between host systems and M.2 modules. ### Mechanical Retention The connector shall securely retain inserted modules under vibration and operational stress conditions. ### System Modularity The connector shall enable modular expansion and replacement of functional M.2 devices within host systems. ## Electrical Requirements ### Contact Performance The connector shall provide stable electrical contact between gold-finger module pads and host PCB terminals. ### Signal Integrity The design shall support high-frequency signal transmission with minimal loss and interference. ### Power Delivery The connector shall support regulated power distribution to installed M.2 modules. ### Low Resistance Path The electrical interface shall maintain low contact resistance for reliable long-term operation. ## Mechanical Requirements ### Board Edge Mounting The connector shall be mounted on a printed circuit board to accept edge-insertion M.2 modules. ### Alignment and Fit The design shall ensure precise alignment between module contacts and connector terminals. ### Durability The connector shall withstand repeated module insertion and removal cycles without performance degradation. ### Structural Stability The assembly shall maintain mechanical integrity under vibration and operational stress conditions. ## Environmental Requirements ### Operating Conditions The connector shall operate reliably in industrial, commercial, and embedded system environments. ### Thermal Performance The device shall maintain mechanical and electrical stability under elevated operating temperatures. ### Storage and Handling The component shall retain structural and functional integrity during storage, transportation, and assembly processes. ## Quality Requirements ### Reliability The connector shall provide consistent electrical and mechanical performance throughout its operational lifetime. ### Verification Mechanical retention, contact resistance, and signal integrity shall be validated through appropriate qualification testing. ### Compliance The product shall conform to applicable standards governing M.2 interface connectors and high-speed board-edge interconnect systems. ## Documentation Requirements Technical documentation shall include footprint layout guidance, mating interface specifications, signal routing recommendations, mechanical keep-out regions, and application guidelines for M.2 system integration. ## Classification Tags #21992304 #M2Connector #M2KeyE #EdgeCardConnector #GoldFingerInterface #HighSpeedConnector #BoardEdgeConnector #WirelessModuleConnector #PCIeInterface #NGFF #EmbeddedSystems #IoTHardware #TelecomHardware #PCBDesign #MechanicalConnector #SignalIntegrity #HighFrequencyDesign #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #SystemIntegration #HardwareDesign #TEConnectivity #ModuleInterface #BoardToModule

3 Position Wire to Board Terminal Block 45° (135°) Angle with Board 0.150" (3.81mm) Through Hole, Kinked Pin The 691412320003 is a pluggable terminal block connector designed for secure wire-to-board power and signal interconnection in industrial and embedded electronic systems. Manufactured by Würth Elektronik, this connector provides reliable field wiring capability with a compact footprint suitable for PCB mounting applications. The device supports screw-clamp wire termination, enabling dependable electrical contact and easy maintenance in control systems, power distribution modules, automation equipment, and general-purpose electronic assemblies. Its modular pluggable structure allows convenient installation and replacement while maintaining stable mechanical retention and electrical performance. Engineering Specification Product Type: Pluggable terminal block connector Manufacturer: Würth Elektronik Manufacturer Part Number: 691412320003 Connector Style: Plug component for mating terminal block system Mounting Type: Through-hole PCB mount Number of Positions: Three Pitch Spacing: 3.50 mm Wire Termination Method: Screw clamp termination Wire Entry Orientation: Horizontal Contact Material: Copper alloy Contact Plating: Tin plated Housing Material: High-temperature thermoplastic Housing Color: Green Flammability Rating: UL94 V-0 Rated Voltage: Suitable for low-voltage industrial and control applications Rated Current: Designed for moderate power and signal transmission Operating Temperature Range: Industrial-grade operating temperature capability Mating Style: Pluggable locking terminal interface Application Use: Industrial controls, power interfaces, embedded systems, automation equipment, and field wiring connections Compliance: RoHS compliant and lead-free compatible #commonpartslibrary #connector #terminalblock