Vishay General Semiconductor - Diodes Division 1.5SMC, TransZorb® Zener TVS diode, 1500W peak pulse power, 23.1V standoff, 37.5V clamp, 40A Ipp, DO-214AB (SMC) surface mount, Tape & Reel.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5SMC, TransZorb® |
| Mounting | Surface Mount |
| Voltage - breakdown | 25.7V |
| Voltage - clamping (Max) @ ipp | 37.5V |
| Voltage - reverse standoff | 23.1V |
| Current - peak pulse (10/1000μs) | 40A |
| 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 1.5SMC27A-E3/57T: The 1500W rating means this diode can absorb a 40A surge for 1 ms without failing — enough to handle typical inductive kickback, lightning-induced transients, or load-dump events on a 24V bus.
The wide range suits outdoor telecom cabinets and engine-bay electronics where ambient temps swing hard.