What the ratings mean for the board
The 1.5KE62AHE3_A/C: It requires a hole diameter of about 1.0 mm on the PCB and sufficient copper pad area to sink the transient heat pulse — the axial leads carry the surge current into the board's copper planes.

Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 TransZorb®, TVS Diode, 1.5KE62AHE3_A/C, 1500W, 53V Standoff, DO-201AA Axial.
| Parameter | Value |
|---|---|
| Type | Zener |
| Series | Automotive, AEC-Q101, TransZorb® |
| Mounting | Through Hole |
| Voltage - breakdown | 58.9V |
| Voltage - clamping (Max) @ ipp | 85V |
| Voltage - reverse standoff | 53V |
| Current - peak pulse (10/1000μs) | 17.6A |
| Power - peak pulse | 1500W (1.5kW) |
| Power line protection | No |
| Operating temperature | -55°C~175°C(TJ) |
| Package | Tape & Reel (TR) |
| Applications | Automotive |
| Case | DO-201AA, DO-27, Axial |
| Unidirectional channels | 1 |
The 1.5KE62AHE3_A/C: It requires a hole diameter of about 1.0 mm on the PCB and sufficient copper pad area to sink the transient heat pulse — the axial leads carry the surge current into the board's copper planes.