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Vishay General Semiconductor - Diodes Division 1.5KE9.1HE3/54 — Circuit Protection

Vishay 1.5KE9.1HE3/54 TVS Diode, 1500W, DO-201AA

MPN1.5KE9.1HE3/54
Obsolete

Vishay General Semiconductor - Diodes Division TransZorb® TVS, 1.5KE9.1HE3/54, 1500W peak pulse, 7.37V standoff, 13.8V clamp, DO-201AA axial, AEC-Q101.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1.5KE9.1HE3/54 specifications
ParameterValue
TypeZener
SeriesAutomotive, AEC-Q101, TransZorb®
MountingThrough Hole
Voltage - breakdown8.19V
Voltage - clamping (Max) @ ipp13.8V
Voltage - reverse standoff7.37V
Current - peak pulse (10/1000μs)109A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C~175°C(TJ)
PackageTape & Reel (TR)
ApplicationsAutomotive
CaseDO-201AA, DO-27, Axial
Unidirectional channels1

Product details

1500 W TransZorb for 7.37 V DC rail clamping

The Vishay 1.5KE9.1HE3/54 is a 1500 W peak-pulse power TVS diode in the TransZorb series, rated for a 7.37 V reverse standoff voltage and clamping at 13.8 V with a 109 A peak pulse current (10/1000 µs waveform).

Frequently asked questions

What is the 1.5KE9.1HE3/54 used for?

It is a 1500 W unidirectional TVS diode that clamps transients on a 7.37 V DC rail to 13.8 V, protecting downstream electronics in automotive and industrial circuits from load-dump, inductive kickback, and ESD events.