What is a PCB Terminal Block?

Definition

Terminal blocks that can be mounted on printed circuit boards.

Screw or push-in connections are available, with the push-in method becoming more popular because it helps reduce the number of connection steps.

Classification	Model	Appearance	Contact pitch	Type
Push-in SMT Terminals *	XW4K	Available in 100pcs per reel	2.54mm	plug
	XW4H / XW4L	Available in 100pcs per reel	2.54mm	Socket Direct Board Mounting
	Hold-down structure achieves robustness on the PCBs. Active lock mechanism for superior vibration and shock resistance. Horizontal and vertical types available
Push-in DIP Terminals	XW4C		3.5mm, 5.0mm	Direct Board Mounting
Push-in DIP Terminals	Solid wire or ferrule is easily connected with simple insertion. Stranded wire is easily connected with a general screwdriver
Screw DIP terminals	XW4A		3.81mm, 5.08mm	plug
	XW4B / XW4E		3.81mm, 5.08mm	Socket Direct Board Mounting
	Finger protection structure on screw part. Crimp terminals are not necessary for connection.