100 Pack Pin Header 2.54 mm Pitch 40 by 2 Pins Product overview A bulk set of 100 double row pin headers with a 2.54 mm pitch and 40 pins per row (40 by 2). Designed for creating reliable boardtoboard and cabletoboard connections in prototyping and production environments. Key benefits Large quantity for projects and repairs: 100 identical headers reduce downtime and ensure you have spares for multiple builds or replacements. Standard pitch compatibility: 2.54 mm pitch matches common through hole connectors, perfboards, and many development and interface boards, simplifying integration. Space efficient double row: Two rows of 40 pins provide 80 connection points in a compact footprint for multisignal or multipower applications. Easy to : Can be cut to shorter lengths to fit smaller connector requirements without special tools. Reliable connection for soldered assemblies: Intended for solder mounting to PCBs to provide a stable mechanical and electrical connection. Important attributes Pitch: 2.54 mm (standard spacing) Configuration: 40 by 2 pins (two rows of 40 pins each) Quantity: 100 pieces per pack Function: Provides a male pin interface for headerstyle connections and cable mating Intended use: For mounting to printed circuit boards and for creating socketed or plugin connections Practical applications Prototyping and development: Use on custom breakout boards and prototype PCBs to plug sensors, modules, and jumper wires into standard pitch sockets. and modification: damaged headers or add connector points on control boards, hobby electronics, and embedded systems. Custom cabling and adapters: Create cable assemblies and adapter boards where multiple signals need to be routed between PCBs or external devices. What to expect You will receive 100 identical 2.54 mm 40 by 2 pin headers suitable for PCB soldering and general electronics use. These headers are intended to work with standard 2.54 mm connectors and wiring practices commonly used in electronics prototyping and small scale production.