The 1.5SMC47A-E3/57T: The 1.5SMC47A-/57T is a unidirectional TVS Zener diode from Vishay's 1.5SMC, TransZorb® series, designed to clamp transients in general-purpose circuit protection applications. Breakdown occurs at a minimum of 44.7 V, giving a guard band between the nominal rail and the onset of conduction.
1.5SMC47A-E3/57T Vishay TVS Zener, 1500W, DO-214AB
MPN1.5SMC47A-E3/57T
Active
Vishay General Semiconductor - Diodes Division, 1.5SMC series, TransZorb® TVS Zener diode, 1.5SMC47A-/57T, 1500W peak pulse power, 40.2V reverse standoff, 64.8V clamping, unidirectional, DO-214AB (SMC) surface mount.
$0.6200Ref. 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 | 44.7V |
| Voltage - clamping (Max) @ ipp | 64.8V |
| Voltage - reverse standoff | 40.2V |
| Current - peak pulse (10/1000μs) | 23.1A |
| 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 |