1500 W bidirectional transient suppressor for 85.5 V rails
The 1.5KE100CAHB0G: It clamps transients at 137 V maximum while conducting 11.4 A peak pulse current, protecting a nominal 85.5 V reverse standoff rail.
Clamping envelope and protection margin
Breakdown occurs at 95 V minimum, ensuring the device does not clip normal line ripple. At the 11.4 A peak pulse current (10/1000 µs waveform), the clamping voltage reaches 137 V maximum. For repetitive transients, the average power must stay within the thermal limit of the DO-201 package.
Through-hole package and board integration
The DO-201AA (DO-27) axial-lead package mounts through a single hole per lead — the body diameter and lead spacing match standard 0.100-inch pitch prototyping boards and terminal blocks. The axial form factor allows point-to-point wiring or PCB through-hole soldering without a socket. Bulk packaging means the parts ship loose in a bag or tube — no tape-and-reel, so hand-insertion or wave-solder assembly is the intended process. The lead bend radius must stay above 1.5 mm to avoid cracking the glass passivation layer inside the DO-201 body.
Active production and sourcing posture
Taiwan Semiconductor lists the 1.5KE100CAHB0G as an active product — no end-of-life notice, no last-time-buy window. The 1.5KE series covers multiple standoff voltages in the same DO-201 footprint; a different voltage variant would require a board-level voltage rating change.