Vishay General Semiconductor - Diodes Division, 1.5SMC series TransZorb®, TVS Zener diode, DO-214AB (SMC), 342 V standoff, 548 V clamp, 1.5 kW peak pulse, unidirectional.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC, TransZorb® |
| Mounting | Surface Mount |
| Voltage - breakdown | 380V |
| Voltage - clamping (Max) @ ipp | 548V |
| Voltage - reverse standoff | 342V |
| Current - peak pulse (10/1000μs) | 2.7A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -65°C~150°C(TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Applications | General Purpose |
| Case | DO-214AB, SMC |
| Unidirectional channels | 1 |
The 1.5SMC400A-E3/57T: Its 342 V reverse standoff voltage (type) means it sits across a 300 VDC bus without conducting leakage — the 380 V minimum breakdown gives margin before the diode starts clamping.
Vishay lists the 1.5SMC400A-/57T as obsolete.
Sourced through independent surplus channels — submit an RFQ for current availability and pricing. Date codes and lot traceability are confirmed at quote time.