Transient protection with a 1500 W pulse rating
The 1.5KE30A-G: That 1500 W rating means it can clamp a 36.23 A transient current to 41.4 V without failing — the clamping voltage is the ceiling the downstream silicon sees. The reverse standoff voltage is 25.6 V, so the diode stays transparent on a nominal 24 V rail; breakdown starts at 28.5 V minimum. This is a standard selection for 24 VDC bus protection in industrial control panels and telecom power feeds.
DO-201AA axial package and board integration
Housed in a DO-201AA (DO-27) axial-lead package, the 1.5KE30A-G is a through-hole part. The DO-201 body handles the thermal pulse of a 1500 W surge without cracking the epoxy — the lead frame and die bond are sized for the energy, not just the steady-state current. No power line protection feature is built in — this is a pure transient suppressor, not a filter.
Sourced through independent distribution channels.