Surge protection for 145V DC rails
The 1.5KE170CA-E3/54: Its 145V reverse standoff voltage means the device sits transparently on a 145V DC bus or AC line, drawing negligible leakage current below that threshold. When a transient exceeds the 162V minimum breakdown voltage, the diode clamps the surge to 234V maximum, shunting up to 6.4A of peak pulse current away from the protected circuitry.
Through-hole mounting for board-level transient clamping
Housed in the DO-201AA (DO-27) axial-lead package, this TVS diode mounts through-hole on a standard 0.100-inch pitch grid. The leaded format allows manual or wave-solder assembly and provides a robust mechanical connection for applications where vibration or thermal cycling is a concern. The device is rated for general-purpose transient suppression and does not include power line protection features — it is intended for secondary-side or signal-line clamping.