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Littelfuse Inc. 1.5KE30 — Circuit Protection

Littelfuse 1.5KE30 TVS Diode, 1500W, 25.6V Standoff

MPN1.5KE30
Obsolete

Littelfuse Inc. 1.5KE series Zener TVS diode, 1.5KE30, 1500W peak pulse, 27V breakdown, 25.6V standoff, DO-201AA axial through-hole.

$0.8200Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1.5KE30 specifications
ParameterValue
TypeZener
Series1.5KE
MountingThrough Hole
Voltage - breakdown27V
Voltage - clamping (Max) @ ipp43.47V
Voltage - reverse standoff25.6V
Current - peak pulse (10/1000μs)36.7A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C~175°C(TJ)
PackageTape & Reel (TR)
ApplicationsGeneral Purpose
CaseDO-201AA, DO-27, Axial
Unidirectional channels1

Product details

What the 1500W rating means for circuit protection

The 1.5KE30: Its 25.6 V reverse standoff voltage sits below the 27 V minimum breakdown, so the diode stays high-impedance during normal operation and only conducts when the line exceeds the breakdown threshold.