BOURNS
TVS二极管, P4SMA Series, 单向, 171 V, DO-214AC, 2 引脚
TVS二极管, P4SMA Series, 单向, 300 V, DO-214AC, 2 引脚
LITTELFUSE
TVS二极管, P4SMA Series, 双向, 342 V, 548 V, DO-214AC, 2 引脚