Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 TransZorb® series, bidirectional TVS diode, 1.5KE27CAHE3_A/D, 1500W peak pulse power, 23.1V standoff, DO-201AA axial through-hole.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | Automotive, AEC-Q101, TransZorb® |
| Mounting | Through Hole |
| 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 | -55°C~175°C(TJ) |
| Package | Tape & Box (TB) |
| Applications | Automotive |
| Case | DO-201AA, DO-27, Axial |
| Bidirectional channels | 1 |
The 1.5KE27CAHE3_A/D: The DO-201AA (DO-27) axial leaded package is a through-hole format that handles the thermal demands of a 1500 W pulse. The leads are tin-plated copper, and the body is molded epoxy. For a 24 V automotive rail, the bidirectional configuration means a single device protects the line against both positive and negative transients — no need for two diodes back-to-back.
The maximum clamping voltage is 37.5 V at a peak pulse current of 40 A (10/1000 µs waveform). This limits the voltage seen by the protected circuit during a transient event.
As an AEC-Q101 qualified part from the TransZorb series, Vishay provides a datasheet with full electrical characteristics, a qualification test report, and RoHS/REACH compliance declarations. The part is also UL recognized under the Vishay TVS diode family.