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Vishay General Semiconductor - Diodes Division 1N6273A-E3/51 — Circuit Protection

Vishay 1N6273A-E3/51 Zener TVS Diode, 10.2V standoff

MPN1N6273A-E3/51
Last Buy

Vishay General Semiconductor, TransZorb® Zener TVS diode, 1N6273A-/51, unidirectional, 10.2V reverse standoff, 16.7V clamping, 1500W peak pulse, -55°C to 175°C junction, DO-201AA axial through-hole package, bulk.

Vishay General Semiconductor - Diodes Division 1N6273A-E3/51 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1N6273A-E3/51 specifications
ParameterValue
TypeZener
SeriesTransZorb®
MountingThrough Hole
Voltage - breakdown11.4V
Voltage - clamping (Max) @ ipp16.7V
Voltage - reverse standoff10.2V
Current - peak pulse (10/1000μs)89.8A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C~175°C(TJ)
PackageBulk
ApplicationsGeneral Purpose
CaseDO-201AA, DO-27, Axial
Unidirectional channels1

Product details

1500 W peak pulse at 10.2 V standoff

The 1N6273A-E3/51: The 10.2 V reverse standoff rating is the working voltage the diode must never exceed during normal operation; anything above that starts the avalanche breakdown that the clamping ceiling then limits. The 11.4 V minimum breakdown voltage is the turn-on threshold at 25 °C junction temp — the 1.64× ratio between breakdown and clamping ceiling is typical for this class and reflects the diode's dynamic resistance under surge conditions.

Last-Buy lifecycle — what that means for procurement

Vishay General Semiconductor lists this part as Last Buy — no new production after the window closes, no official successor cited on the record.

Frequently asked questions

What does the 16.7 V clamping voltage mean for my circuit?

For a 10.2 V nominal rail, that gives roughly a 1.64× overdrive headroom during clamping, which is typical for this family but must be verified against the absolute maximum rating of the downstream load.