USB 2.0 Type-A Stacked Receptacle – Dual USB 2.0 Type-A right-angle receptacle for board-to-cable USB connections. Features 8 contacts (2 × 4), through-hole PCB mounting, 1.5 A current rating per port, 30 V operating voltage, 20 mΩ maximum contact resistance, 1 GΩ minimum insulation resistance, and 750 VAC dielectric withstand voltage. Includes selective gold-plated copper alloy contacts, a nickel-plated brass shell, and supports 1,500 mating cycles. Specified for operation over a −40°C to +105°C temperature range. #WurthElektronik #61400826021 #WRCOM #USB2_0 #USBTypeA #DualUSB #StackedUSB #RightAngleConnector #ThroughHole #USBConnector #EmbeddedSystems

5-Way Navigation Tactile Switch – Through-hole 5-way navigation switch providing up, down, left, right, and center push-button inputs for user interfaces, menu navigation, handheld devices, embedded systems, and control panels. Features five independent momentary tactile switches in a compact joystick-style actuator, with a 50 mA maximum switching current, 12 VDC maximum switching voltage, and normally open (SPST-NO) contacts. Designed for through-hole PCB mounting, offering excellent tactile feedback, multi-directional operation, and a center-select function for intuitive human-machine interface (HMI) control. Suitable for applications including consumer electronics, robotics, instrumentation, gaming controllers, and development boards. #Adafruit #504 #NavigationSwitch #5WaySwitch #JoystickSwitch #TactileSwitch #PushButton #HumanMachineInterface #UserInterface #ThroughHole #EmbeddedSystems #ControlPanel

USB - mini B USB 2.0 Receptacle Connector 5 Position Through Hole, Right Angle Mini USB 2.0 Type B receptacle connector for USB data and power connections in through-hole PCB applications. It features a 5-contact, right-angle through-hole configuration with USB 2.0 support up to 480 Mb/s, a 30 VDC voltage rating, 1.8 A current rating, dielectric withstand voltage of 100 VAC RMS, and an operating temperature range of -40°C to +85°C. #MiniUSB #USB2_0 #TypeB #Receptacle #ThroughHole #RightAngle #5Pin #AmphenolICC #Connector #480Mbps #30V #1_8A

ITT Cannon ORIGINAL D Series, 15 Way Through Hole Mount PCB D-sub Connector Socket, 2.74mm Pitch DA-15 female right-angle through-hole PCB connector DA-15S-OL2-A191-A197, Cannon DA-15S-OL2-A191-A197, 121073-2156, DA-15S D-Sub socket, 15 pin D-Sub female connector, D-Sub receptacle 15 contacts, size 20 turned contacts, straight solder D-Sub connector, through hole D-Sub connector, 0.120 inch through hole D-Sub, Cannon D-Sub connector Hashtags: #DA15SOL2A191A197 #DA-15 #DSubConnector #DA15S #15PinDSub #FemaleDSub #SocketConnector #DSubReceptacle #ThroughHoleConnector #StraightSolderConnector #GoldOverNickelContacts #Size20Contacts

Toby PLCC series DIP socket for PLCC IC packages, through-hole PCB mounting, available for 20/28/32/52/68/84-pin PLCC devices, copper alloy contacts with tin plating over nickel, PPS UL94V-0 insulator, 1A current rating, 1000MΩ minimum insulation resistance, 300VAC dielectric withstand voltage, 20mΩ max contact resistance, -40°C to +105°C operating temperature, suitable for socketing PLCC ICs, memory chips, microcontrollers, programmable logic and embedded hardware. Search Keywords: PLCC socket, Toby PLCC socket, PLCC DIP socket, PLCC through hole socket, PLCC IC socket, 20 pin PLCC socket, 28 pin PLCC socket, 32 pin PLCC socket, 52 pin PLCC socket, 68 pin PLCC socket, 84 pin PLCC socket, PLCC PCB socket, square IC socket, IC socket connector PCF80C552 PLCC68 / PLCC-68 socket Hashtags: #PLCCSocket #TobyPLCCSocket #PLCC-68-R #PLCC-68 #ThroughHoleSocket #PLCCConnector #20PinPLCC #28PinPLCC #32PinPLCC #52PinPLCC #68PinPLCC #84PinPLCC #PPSInsulator #TinPlatedContactsphosphor bronze, tin plated,55C to 85C,1000 M,30 m

CONN HEADER TH R/A 6POS 2.5mm The M2557R-2x3-N0 is a 2×3 position (6-pin) right-angle wire-to-board header connector from XFCN. It is part of the 2.50 mm pitch M2557 series, commonly used for power and signal connections in consumer electronics, industrial control boards, power supplies, battery systems, and embedded devices. The connector is designed for through-hole PCB mounting and mates with the corresponding P2557 series housing and crimp terminals. Key Features Connector Type: Wire-to-board male header Positions: 6 pins (2 rows × 3 pins) Pitch: 2.50 mm Mounting Style: Through-hole, right-angle Current Rating: 3 A per contact Voltage Rating: 250 V AC/DC Operating Temperature: −25°C to +85°C Contact Material: Brass or phosphor bronze contacts Housing Material: Nylon 66, UL94V-0 flame-retardant Contact Resistance: 30 mΩ max Insulation Resistance: 1000 MΩ minimum Withstanding Voltage: 800 V AC for 1 minute RoHS Compliant Typical Applications Power distribution connections Battery-powered equipment Home appliances Industrial control systems Development boards and embedded electronics General-purpose signal and power interconnects Mechanical Description Configuration: 2 rows × 3 positions PCB Orientation: Right-angle (90°) Mating Housing: P2557 series receptacle housing Pitch Between Pins: 2.50 mm #CommonPartsLibrary #Connector

TSW-123-07-G-D-LL HDR-TH_TSW-123-15-L-D LCSC Part Number: C5807494 JLCPCB Part Class: Extended Part Manufactured by SAMTEC Samtec TSW series 0.025" (0.64mm) square post terminal strip/header, through-hole PCB connector available in single, double and triple row configurations, 2.54mm (0.100") or 2.00mm (0.079") pitch options, gold or tin plated contacts, precision machined square pins, customizable pin counts and stack heights, designed for board-to-board, wire-to-board and prototyping applications in industrial, embedded and electronic systems. Search Keywords: TSW terminal strip, Samtec TSW, TSW series header, square post header, 0.025 square post, 0.64mm square pin header, Samtec through hole header, 2.54mm pin header, 0.100 inch header, PCB terminal strip, board to board connector, through hole connector, Samtec TSW datasheet, pin header connector Hashtags: #SamtecTSW #TSWSeries #TerminalStrip #PinHeader #SquarePostHeader #ThroughHoleHeader #PCBConnector #BoardToBoardConnector #254mmPitch #100MilHeader #SamtecConnector #EmbeddedHardware #PrototypeConnector #ThroughHoleConnector

Polymeric PTC Resettable Fuse 16V 3 A Ih Through Hole Radial, Disc # Engineering Specification ## Product Name RGEF300 ## General Description RGEF300 is a resettable polymeric positive temperature coefficient protection device designed to safeguard electronic circuits against overcurrent and fault conditions. The component is intended for use in power distribution systems, low-voltage DC rails, and electronic assemblies where temporary overload protection and automatic recovery are required. The device operates by increasing its internal resistance when subjected to excessive current or elevated temperature conditions, thereby limiting fault current and protecting downstream circuitry. Once the fault condition is removed and the device cools, it returns to a low-resistance state, allowing normal operation to resume without the need for manual replacement. RGEF300 is widely used in industrial electronics, consumer devices, automotive subsystems, communication equipment, and embedded systems where reliable overcurrent protection and system uptime are critical. Its radial-leaded configuration supports straightforward integration into through-hole PCB designs and legacy circuit architectures. The design emphasizes consistent trip behavior, stable reset characteristics, and long-term reliability under repeated fault conditions. It is suitable for applications requiring self-resetting protection elements that reduce maintenance requirements and improve system resilience. ## Functional Requirements ### Overcurrent Protection The device shall limit current flow during fault conditions by increasing resistance when exposed to excessive current. ### Automatic Reset The device shall return to a low-resistance state once normal operating conditions are restored and thermal conditions stabilize. ### Fault Isolation The device shall provide temporary isolation of downstream circuitry during overcurrent events. ### System Protection Support The component shall support use in electronic systems requiring reusable protection elements for power input and distribution paths. ## Electrical Requirements ### Normal Operation The device shall maintain low resistance under normal operating current conditions to minimize power loss. ### Trip Behavior The device shall transition to a high-resistance state when subjected to fault-level current conditions. ### Thermal Response The device shall respond to both electrical current and self-heating effects to initiate protective action. ### Recovery Characteristics The device shall restore normal conduction after fault clearance and thermal recovery. ## Mechanical Requirements ### Radial Leaded Construction The device shall be provided in a through-hole radial package suitable for PCB mounting. ### Structural Integrity The component shall maintain mechanical stability during soldering, handling, and operational thermal cycling. ### Board Integration The device shall be compatible with standard PCB layouts used in power protection circuits. ## Environmental Requirements ### Operating Conditions The device shall operate reliably in industrial, consumer, and embedded electronic environments. ### Thermal Performance The device shall tolerate repeated heating and cooling cycles associated with fault events. ### Storage and Handling The component shall maintain electrical and mechanical integrity during storage and transportation. ## Quality Requirements ### Reliability The device shall support repeated fault recovery cycles without permanent degradation under specified operating conditions. ### Verification Electrical trip behavior, resistance recovery, and thermal response shall be validated through standard qualification testing. ### Compliance The product shall conform to applicable safety and electronic component standards for resettable overcurrent protection devices. ## Documentation Requirements Technical documentation shall include application guidelines, derating considerations, PCB layout recommendations, fault behavior characteristics, and integration practices for circuit protection design. ## Classification Tags #RGEF300 #PTCResettableFuse #Polyfuse #PPTC #OvercurrentProtection #CircuitProtection #ResettableFuse #PowerProtection #FaultProtection #ThermalProtection #ElectronicComponents #ElectricalEngineering #PCBDesign #PowerDistribution #IndustrialElectronics #AutomotiveElectronics #EmbeddedSystems #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #ReliabilityEngineering #SelfResettingProtection

The 15ETYRM-3.5-02P-14-00AH is a pluggable terminal block connector designed for secure wire-to-board interconnection in industrial and embedded electronic systems. This connector is intended for reliable field wiring applications where compact size, robust mechanical retention, and simplified installation are required. The connector utilizes a screw-clamp or tension-clamp termination structure to provide stable electrical connectivity for power and signal transmission in control systems, industrial automation equipment, instrumentation, communication devices, and power distribution modules. Its pluggable architecture enables convenient maintenance, modular system assembly, and rapid field replacement without direct PCB soldering operations. The device is optimized for through-hole PCB mounting and supports durable operation in electrically demanding industrial environments. The compact pitch spacing and reinforced housing design make it suitable for high-density electronic assemblies requiring dependable terminal connections and long-term operational stability. Engineering Specification Device Type Pluggable terminal block connector Connector Configuration Wire-to-board pluggable terminal interface Number of Positions Dual-position terminal connection Pitch Spacing Compact industrial terminal pitch configuration Termination Method Screw-clamp or spring-tension wire termination Mounting Style Through-hole PCB mounting Connection Characteristics Secure removable field wiring interface Mechanical Features High-retention plug and socket mating structure Electrical Characteristics Suitable for low-voltage power and signal transmission Housing Material Flame-retardant insulated connector body Reliability Features Vibration-resistant electrical connection stability Assembly Compatibility Industrial and automated PCB assembly support Applications Industrial automation Control systems Power distribution modules Embedded hardware Communication equipment Instrumentation systems Signal interface boards Factory automation Power supply connections Field wiring systems Manufacturer Commonly associated with DEGSON or compatible terminal block manufacturers #commonpartslibrary #terminalblock #pluggableconnector #wiretoboard #industrialconnectors #embeddedhardware #electronicsdesign #throughholecomponents #industrialautomation #powerelectronics #signalinterfaces #pcbconnectors #fieldwiring #controlsystems #electromechanical

Battery Holder (Open) Coin, 20.0mm 1 Cell PC Pin Battery holder for a single 20 mm lithium coin cell, designed for through-hole PCB mounting and secure battery retention. It supports 2025 and 2032 coin cells with a top-entry "pop-in" design and finger-pressure battery release, using a Nylon 6/6 UL 94V-0 housing to provide reliable retention under shock and vibration without requiring tools for battery replacement.

Bridge Rectifiers GBPC2508W GBPC-W_L28.8-W28.8-P18.10-BL LCSC Part Number: C906986 GBPC2508W — 25 A, 800 V single-phase bridge rectifier for a 45-0-45 VAC transformer audio amplifier power supply, chassis or PCB through-hole mount. Keywords/Tags: GBPC2508W, 25A bridge rectifier, 800V rectifier bridge, audio amplifier power supply, through-hole bridge rectifier

1.8432 MHz XO (Standard) TTL Oscillator 5V 14-DIP, 4 Leads (Full Size, Metal Can) 1.8432 MHz 5V DIP-4 oscillator The ECS-100AX-018 is a 1.8432 MHz crystal-based TTL clock oscillator from ECS Inc. designed to provide a stable and accurate clock source for digital systems. It operates from a 5 V supply and delivers a TTL-compatible output, making it suitable for microprocessors, microcontrollers, UART/serial communication circuits, industrial controllers, and legacy digital logic applications. The device is housed in a 14-pin DIP metal can package (4 active leads) for through-hole PCB mounting. Key Features 1.8432 MHz fixed output frequency Crystal-based XO (Crystal Oscillator) architecture 5 V supply voltage TTL-compatible output Frequency stability of ±100 ppm Low maximum supply current of 15 mA Through-hole 14-DIP (4-lead metal can) package Operating temperature range: 0°C to +70°C Suitable for clock generation in digital and communication systems RoHS compliant #ECSInc #ClockOscillator #CrystalOscillator #TTL #1_8432MHz #5V #ThroughHole #DIP14 #TimingDevice #DigitalClock #EmbeddedSystems #IndustrialElectronics #PCBDesign

Arithmetic Logic Unit IC 24-PDIP The SN74LS181N is a high-speed, 4-bit arithmetic logic unit (ALU) designed for digital computing and logic operations in microprocessor, computer, and embedded system applications. It integrates a full set of arithmetic and logical functions, including addition, subtraction, AND, OR, XOR, and comparison operations, in a single package. The device features fast switching times, TTL-compatible inputs, and outputs suitable for cascading multiple units for extended-bit operations. Its robust design ensures reliable digital processing across a wide operating voltage and temperature range, making it ideal for educational computing systems, programmable logic devices, industrial controllers, and digital signal processing circuits. Engineering Specifications Manufacturer: Texas Instruments Part Number: SN74LS181N Device Type: 4-Bit Arithmetic Logic Unit (ALU) Logic Family: LS-TTL (Low-Power Schottky TTL) Functionality: Arithmetic and Logical Operations (Add, Subtract, AND, OR, XOR, Compare) Data Width: 4 Bits Inputs: TTL-Compatible Logic Inputs Outputs: TTL-Compatible Logic Outputs Carry Handling: Lookahead Carry Support for High-Speed Operation Propagation Delay: Fast Switching for Digital Computation Power Supply: Standard TTL Supply Voltage Package Type: Dual In-Line Package (DIP) Mounting Style: Through-Hole Operating Temperature Range: Commercial/Industrial Grade RoHS Compliant: Yes Applications: Digital Computing, Educational Microprocessor Systems, Industrial Control, Programmable Logic Circuits, Digital Signal Processing, Embedded Computing, Logic Design Learning Kits Key Features 4-bit wide ALU with full arithmetic and logic operations TTL-compatible inputs and outputs for easy integration Fast switching speed for high-performance digital systems Supports cascading for multi-bit operations Lookahead carry capability for efficient addition/subtraction Robust and reliable operation across standard voltage and temperature ranges Compact dual in-line package suitable for through-hole PCB mounting Ideal for embedded systems, educational projects, and industrial logic applications #SN74LS181N #TexasInstruments #ALU #ArithmeticLogicUnit #DigitalElectronics #TTL #LS_TTL #DigitalComputing #EmbeddedSystems #IndustrialElectronics #LogicDesign #MicroprocessorInterface #ProgrammableLogic #SignalProcessing #ThroughHole #ElectronicComponents #PCBDesign #HighSpeedLogic #DigitalCircuit

Battery Holder (Open) Multiple (20700, 21700) 1 Cell Solder Lug The Keystone 1121 is a PCB-mount cylindrical battery holder manufactured by Keystone Electronics, designed to hold one large-format lithium-ion cell, specifically 20700 or 21700 battery sizes. It features an open-frame holder design with solder lug (through-hole) terminals, allowing secure mechanical mounting and reliable electrical connection to a PCB. This type of holder is commonly used in high-capacity battery-powered systems where replaceable cylindrical cells are required. Key Features Battery Compatibility Supports 20700 and 21700 cylindrical Li-ion cells Designed for single-cell (1S) configurations Mechanical & Mounting Through-hole PCB mounting Solder lug terminals for strong electrical and mechanical connection Open-style holder for easy battery insertion/removal Construction Metal contacts for low resistance and durability Designed to securely retain larger cylindrical batteries Physical Characteristics Height above PCB: approx. 17.27 mm Part of Keystone 1100 series holders Typical Applications Battery-powered embedded systems Portable power devices Industrial electronics High-capacity IoT or energy storage modules #holder

6-Position Vertical Wire-to-Board PCB Header – Single-row shrouded male header designed for industrial controls, consumer electronics, appliances, power supplies, embedded systems, instrumentation, and general-purpose wire-to-board interconnect applications. The TE Connectivity 640456-6 is part of the MTA-100 Series, featuring 6 positions on a 2.54 mm (0.100") pitch with a through-hole vertical PCB mount. It utilizes square copper alloy contacts with tin plating, a single-wall polarized shroud, and a friction-lock mating system to ensure secure cable retention and proper orientation during assembly. Rated for 250 VAC (current rating depends on the mating wire gauge), it is constructed with a UL94 V-0 thermoplastic housing for durability and flame resistance. The connector operates over a −55°C to +105°C temperature range and is ideal for reliable board-to-wire connections in embedded and industrial electronic designs. #TEConnectivity #6404566 #MTA100 #WireToBoard #PCBHeader #MaleHeader #ThroughHoleConnector #254mmPitch #IndustrialElectronics #EmbeddedSystems #BoardToWire #Connector

3-Position Vertical Wire-to-Board PCB Header – Single-row shrouded male header designed for consumer electronics, industrial controls, embedded systems, home appliances, IoT devices, instrumentation, and general-purpose wire-to-board interconnect applications. The JST B3B-PH-K-S is part of the PH Series, featuring 3 positions on a 2.00 mm (0.079") pitch with a through-hole vertical PCB mount. It utilizes brass square pins with tin plating, a 4-wall polarized shroud, and a detent locking mechanism for secure mating with compatible PH series crimp housings. Rated for 2 A and 100 V, it is constructed with a UL94 V-0 rated PA66 (Nylon 6/6) housing, providing reliable electrical and mechanical performance. The connector supports press-fit and solder termination, operates over a −25°C to +85°C temperature range, and is ideal for compact embedded and industrial board-to-wire applications. #JST #B3BPHKS #PHSeries #WireToBoard #PCBHeader #MaleHeader #ThroughHoleConnector #2mmPitch #BoardToCable #IndustrialElectronics #EmbeddedSystems #Connector

Connector Header Through Hole 10 position 0.050" pin header 2x5 1.27mm The Harwin M50-3500542 is a 1.27 mm pitch (0.05") 2×5 male pin header from the Harwin Archer M50 series, designed for board-to-board or cable-to-board interconnections. It is a through-hole, vertical PCB connector commonly used in embedded systems, debug interfaces (SWD/JTAG), and compact electronics where high-density signal routing is required. This connector provides a reliable low-profile interconnect solution with gold-plated contacts for good signal integrity and durability in industrial environments. Key Features Connector Type 2×5 (10-position) male pin header Dual-row configuration Pitch 1.27 mm (0.05") fine pitch for high-density PCB layouts Mounting Type Through-hole vertical PCB mount Contact Type Male square pins (0.4 mm typical) Electrical Rating Up to 1A per contact Contact Plating Gold plated mating area Tin plated tail for soldering Operating Temperature -40 °C to +105 °C Housing Material High-temperature thermoplastic (UL94 V-0 rated) Stacking / Mating Heights Multiple height options (approx. 3.2 mm to 6.2 mm) for flexible board stacking Compact Design Designed for high-density embedded PCB layouts Typical Applications ARM Cortex SWD / JTAG debug headers Embedded development boards Board-to-board mezzanine connections Industrial control electronics Compact IoT and MCU systems #CommonPartsLibrary #Connector #Header

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