TSP058B - TSP320B Breakover Voltage Max. VBO @ IB.
TSP075B - BI-DIRECTIONAL THYRISTOR SURGE PROTECTOR
TSP058B - TSP320B Breakover Voltage Max. VBO @ IBO V 77 88 98 130 160 180 220 260 300 350 400 (3,5,6) On-State Voltage Max. V T @ 1A V 5 5 5 5 5 5 5.