1500W peak pulse power, 300V standoff — TVS for 300V rails
The 1.5KE350A-TP: Its 300V reverse standoff voltage (working voltage) and 332V minimum breakdown voltage make it a direct fit for protecting 300V DC rails — common in industrial power supplies, three-phase rectifier outputs, and telecom rectifiers — against transient overvoltage events. Clamping is specified at 482V maximum at the peak pulse current Ipp, meaning the transient is clipped below 482V regardless of the surge amplitude up to the 1500W rating. The 1500W rating is the peak pulse power dissipation; for repetitive surges, derating per the datasheet's pulse-width curve is required.
DO-201AE axial package — through-hole board integration
Housed in a DO-201AE axial-lead package (also known as the 1.5KE footprint), the 1.5KE350A-TP is a through-hole device. The axial leads allow manual or wave-solder assembly and are suited for point-to-point wiring or PCB mounting where the diode bridges a trace gap. The base product number is 1.5KE350, with the -TP suffix indicating Micro Commercial Co's standard packaging code.