1500W peak pulse, 344V clamp — the TVS that covers 214V rails
The 1.5SMC250A-E3/57T: That 344V clamp is the hard ceiling — downstream components rated below that see the transient energy shunted through the diode instead of through their junctions.
Vishay 1.5SMC250A-E3/57T TVS, 344V Clamp, DO-214AB
MPN1.5SMC250A-E3/57T
Active
Vishay General Semiconductor - Diodes Division, 1.5SMC TransZorb® series, Zener TVS diode, 1.5SMC250A-/57T, 1500W peak pulse power, 344V clamping voltage, DO-214AB SMC package, surface mount.
$0.8900Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC, TransZorb® |
| Mounting | Surface Mount |
| Voltage - breakdown | 237V |
| Voltage - clamping (Max) @ ipp | 344V |
| Voltage - reverse standoff | 214V |
| Current - peak pulse (10/1000μs) | 4.4A |
| 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 |