Surge rating and protection thresholds
The 1.5KE150CA-TP: Reverse standoff voltage is 128 V, meaning the diode draws negligible leakage below this DC level. Breakdown occurs at a minimum of 143 V, and the clamping voltage at peak pulse current is 207 V max — the voltage a protected node sees during a surge event.
Package and deployment context
Housed in a DO-201AE axial leaded package, the 1.5KE150CA-TP is a through-hole part intended for point-of-entry protection on power rails, DC buses, and signal lines where a 128 V nominal rail needs transient clamping to 207 V.