Comchip Technology 1.5KE-HF series, Zener TVS diode, unidirectional, 1500W peak pulse power, 185V reverse standoff, 328V clamping, DO-201AA axial through-hole package.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | 1.5KE-HF |
| Mounting | Through Hole |
| Voltage - breakdown | 209V |
| Voltage - clamping (Max) @ ipp | 328V |
| Voltage - reverse standoff | 185V |
| Current - peak pulse (10/1000μs) | 4.57A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C ~ 150°C (TJ) |
| Package | Tape & Box (TB) |
| Applications | General Purpose |
| Case | DO-201AA, DO-27, Axial |
| Unidirectional channels | 1 |
The 1.5KE220A-HF: When the transient exceeds 209 V, the diode avalanches and clamps at 328 V maximum while shunting 4.57 A of peak pulse current.
The 1500 W rating is specified at 25°C; derate linearly above that per the datasheet curve — at 150°C the peak pulse capability drops to roughly 25% of the 25°C figure.
Reverse standoff (working voltage) is 185 V. The diode starts avalanching at 209 V minimum and clamps at 328 V maximum while conducting 4.57 A of peak pulse current (10/1000 µs waveform).