1500W Zener TVS for legacy rail protection
The 1.5KE82-E3/54: It clamps transients at 118V maximum when conducting 12.7A peak pulse current, protecting a 66.4V nominal rail from overvoltage events.
Obsolete — sourcing through independent channels
Vishay has marked the 1.5KE82-/54 as Obsolete. No official successor or second-source order code is recorded in the lifecycle data. Qualifying an alternate TVS with similar standoff and clamping characteristics is recommended to avoid sole-source exposure on the protection rail.
Through-hole axial package and temperature range
Housed in a DO-201AA (DO-27) axial leaded package, the 1.5KE82-/54 mounts through-hole — suited for point-to-point wiring or PCB layouts with plated through-holes. The 1500W peak pulse rating assumes a 10/1000µs waveform at 25°C ambient; derate above 25°C per the manufacturer's power-temperature curve. No power line protection feature is included — this is a standalone transient suppressor, not a filtered protector.