Pin Header is a fundamental board-to-board or wire-to-board interconnect component in electronic devices, available in DIP (through-hole) or SMT (surface-mount) configurations with 1.27mm-5.08mm pitch options. Features phosphor bronze/copper alloy gold-plated terminals for low contact resistance (≤20mΩ), current rating of 1-3A, and operating temperature of -40℃ to 105℃. Widely used in industrial controls, consumer electronics, and communication equipment for reliable electrical connections.