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

Enclosed AC DC Converters 1 Uitgang 12V - - - 1.8A 85 ~ 264 VAC, 120 ~ 370 VDC Input The IRM-20-12 is a compact enclosed AC-DC power supply module from MEAN WELL’s IRM-20 series. It is designed to convert a wide-range AC input into a stable 12V DC output, delivering reliable power for embedded systems, industrial electronics, and general-purpose PCB-mounted applications. It is a board-mount (through-hole) module with an encapsulated design, making it suitable for space-constrained and high-reliability environments. Key Features AC-DC Converter Module Converts AC mains to regulated 12V DC output Power Rating Up to 20–22W output power Output Capability 12V DC / 1.8A max current Universal Input Range 85–264 VAC (wide input compatibility) High Efficiency Around ~84% typical efficiency Compact Enclosed Design Fully encapsulated plastic case for protection and durability Through-Hole PCB Mount Designed for direct soldering onto PCB boards Low No-Load Power Consumption <0.1W standby consumption Built-in Protection Functions Overload protection Short circuit protection Overvoltage protection Wide Operating Temperature Typically -30°C to +70°C Safety Certifications UL, CE, TUV, CB approved (varies by region) EMI Compliance Designed to meet Class B EMI standards (with internal filtering) Typical Applications Industrial automation systems Factory equipment Embedded electronics IoT devices LED lighting systems Small control boards and instrumentation #CommonPartsLibrary #powersupply #ACDCconverter

1.5A USB 2.0 1 Bend-in 4P Female -20℃~+70℃ Type-B Plugin USB Connectors ROHS USB-B10-BRW USB-B-TH_USB-B10-BRW LCSC Part Number: C720549 JLCPCB Part Class: Extended Part Manufactured by XUNPU(讯普) USB Type-B female through-hole receptacle XUNPU USB-B10-BRW USB 2.0 Type-B female connector, right-angle through-hole/DIP mounting, 4 contacts, 1 port, 1.5A current rating, 30VDC voltage rating, operating temperature -20°C to +70°C, white housing, RoHS compliant, suitable for USB device ports, embedded electronics, industrial equipment and PCB-mounted USB interfaces. USB-B10-BRW, XUNPU USB-B10-BRW, USB Type-B connector, USB-B female connector, USB 2.0 Type-B socket, right angle USB-B connector, through hole USB connector, DIP USB-B connector, 4 pin USB-B connector, C720549 #USBB10BRW #XUNPU #USBConnector #USBTypeB #USBBFemale #USB20Connector #RightAngleConnector #ThroughHoleConnector #DIPConnector #PCBConnector

2 Position Wire to Board Terminal Block Horizontal with Board 0.375" (9.53mm) Through Hole # 1714971 ## General Description The 1714971 is a high-current printed circuit board terminal block manufactured by Phoenix Contact and designed for secure power and signal connections in industrial and commercial electronic equipment. The component utilizes a screw-clamp termination mechanism that provides reliable wire retention, low contact resistance, and long-term electrical stability. Its robust construction and through-hole mounting design make it suitable for applications requiring dependable field wiring, high-current handling capability, and resistance to mechanical stress. The terminal block is commonly used in power supplies, industrial automation systems, motor controllers, battery management systems, energy distribution equipment, instrumentation, and other applications requiring secure PCB-mounted power connections. ## Key Features ### Mechanical Characteristics * Through-hole PCB mounting * Screw-clamp wire termination * Side-entry wire connection * High-strength housing construction * Secure field-wire installation * Designed for repeated maintenance and servicing operations ### Electrical Characteristics * High-current carrying capability * Low contact resistance * Reliable electrical conductivity * Stable performance under demanding operating conditions * Suitable for power distribution and control applications ### Contact System * Corrosion-resistant conductive contacts * Screw-actuated clamping mechanism * Secure conductor retention * Reliable electrical connection during vibration and mechanical stress ### Material Construction * Industrial-grade thermoplastic housing * High-conductivity metal contacts * Flame-resistant insulation materials * RoHS-compliant construction ### Environmental Characteristics * Suitable for industrial environments * Resistant to mechanical wear * Durable under continuous operation * Designed for long service life ### Application Areas * Industrial Automation Equipment * Power Supply Systems * Motor Control Circuits * Battery Management Systems * Renewable Energy Equipment * Electrical Distribution Panels * Instrumentation Systems * Process Control Equipment * Embedded Power Electronics * Industrial Control Systems ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade PCB Interconnect Solution ## Manufacturer Phoenix Contact ## Product Family COMBICON PCB Terminal Blocks #PhoenixContact #1714971 #COMBICON #TerminalBlock #PCBTerminalBlock #ScrewTerminal #PowerConnector #IndustrialElectronics #PowerDistribution #IndustrialAutomation #EmbeddedSystems #ControlSystems #ElectronicsDesign #PCBAssembly #ElectricalEngineering

RF Connectors / Coaxial Connectors KH-BNC75-3511 ANT-TH_KH-BNC75-3511 LCSC Part Number: C2837588 JLCPCB Part Class: Extended Part Manufactured by kinghelm(金航标) Kinghelm KH-801-0039 PCB mount BNC female jack connector, 75Ω characteristic impedance, right-angle through-hole mounting, 1/2-28 UNEF-2A threaded interface, frequency range up to 3GHz, VSWR ≤1.3, 500Vrms working voltage, insulation resistance ≥5000MΩ, operating temperature range -55°C to +155°C, designed for RF signal transmission, video, instrumentation and communication applications. Search Keywords: KH-801-0039, Kinghelm KH-801-0039, KH-BNC75-3511, BNC female connector, BNC jack connector, 75 ohm BNC connector, PCB mount BNC jack, right angle BNC connector, through hole BNC connector, RF coaxial connector, 1/2-28 UNEF-2A BNC, BNC PCB connector, video signal connector, RF connector 3GHz, Kinghelm BNC connector Hashtags: #KH8010039 #KHBNC753511 #Kinghelm #KinghelmConnector #BNCConnector #BNCJack #BNCFemale #75OhmBNC #PCBMountBNC #ThroughHoleBNC #RightAngleBNC #RFConnector #CoaxialConnector #VideoConnector #InstrumentationConnector #3GHzConnector #RFJack #PCBConnector #CommunicationConnector #BNCFemaleJack

Power Supply Encapsulated PCB 12V 30W IRM-30 Series is a compact 30W AC-DC encapsulated power supply module from Mean Well designed for direct PCB mounting or screw-terminal installation. The module accepts a universal AC input range of 85VAC to 305VAC and provides regulated DC outputs with high efficiency up to 90%. It features Class II isolation, built-in EMI filtering compliant with EN55032 Class B without additional external components, and comprehensive protection functions including short-circuit, overload, and over-voltage protection. With no-load power consumption below 0.1W, reinforced insulation, and a wide operating temperature range, the IRM-30 series is ideal for industrial automation, instrumentation, embedded electronics, smart devices, networking equipment, IoT products, factory automation systems, and handheld electronic devices. Search Keywords: IRM-30, Mean Well IRM-30, AC DC power module, encapsulated power supply, PCB mount power supply, industrial power module, 30W power supply, universal input power supply, AC to DC converter, embedded power supply, isolated power module, IRM-30-5, IRM-30-12, IRM-30-24, IRM-30-48, low standby power supply, Class II power supply, industrial automation power supply, DIN power module alternative, compact AC DC converter Hashtags: #IRM30 #MeanWell #ACDCConverter #PowerSupply #PowerModule #PCBMountPowerSupply #IndustrialElectronics #EmbeddedSystems #FactoryAutomation #IoT #PowerElectronics #SwitchingPowerSupply #SMPS #ElectronicComponents #PCBDesign #UniversalInput #IsolationPowerSupply #IndustrialAutomation #LowPowerConsumption #MeanWellPowerSupply