RXSY VH3.96 series 3.96mm pitch through-hole straight pin header (locking version) features through-hole mounting structure for secure and reliable soldering. UL94V-0 flame-retardant PA66 plastic housing and tin-plated brass pins deliver high current-carrying capacity and low contact resistance. Locking mechanism ensures secure retention with excellent vibration resistance, compatible with VH series housings and terminals. Direct pin-to-pin replacement for JST VH3.96 equivalent products, widely used in power supplies, industrial control boards, home appliance mainboards, and LED lighting for high-current connection applications. RoHS/REACH compliant with guaranteed stable quality.