Taiwan Semiconductor Corporation 1.5KE series TVS Zener diode, unidirectional, 1500W peak pulse power, 17.1V standoff voltage, 27.7V clamping, DO-201AA axial-lead through-hole package, bulk.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5KE |
| Mounting | Through Hole |
| Voltage - breakdown | 19V |
| Voltage - clamping (Max) @ ipp | 27.7V |
| Voltage - reverse standoff | 17.1V |
| Current - peak pulse (10/1000μs) | 56A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C ~ 175°C (TJ) |
| Package | Bulk |
| Applications | General Purpose |
| Case | DO-201AA, DO-27, Axial |
| Unidirectional channels | 1 |
The 1.5KE20A B0G: It clamps a 17.1V reverse standoff rail at 27.7V, handling a peak pulse current of 56A. The 19V minimum breakdown voltage means the part starts conducting just above the 17.1V working voltage, providing a tight clamping window for protecting 12V or 15V rails from transients.