This 40-pin 2.54mm female single-row header is a staple component in prototyping and PCB design. It allows flexible and secure plug-in connections for jumper wires or male header pins. The gold-plated contacts ensure low resistance and excellent signal integrity. Features Standard 2.54mm pitch for universal compatibility Gold-plated contacts for superior conductivity Easily cut to desired pin length Durable plastic housing for long-term use Applications Arduino and Raspberry Pi shields Custom PCB interfaces Breadboard or module connectors