The S2B-ZR-SM4A-TF(LF)(SN): The tin-plated mating surface suits moderate-cycle applications where cost matters more than cycle life.
Shrouded Housing with Detent Lock
The 4-wall shroud protects the pins from being bent during mating and prevents off-angle plug insertion – a real help in blind-mate or high-vibration environments. The PA6T insulation carries a UL94 V-0 flame rating, so the connector is acceptable inside equipment requiring a flammability ceiling.
