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Vishay General Semiconductor - Diodes Division 1.5SMC39A-M3/57T — Circuit Protection

Vishay 1.5SMC39A-M3/57T TVS Diode, 1500W, 33.3V Standoff

MPN1.5SMC39A-M3/57T
Active

Vishay General Semiconductor - Diodes Division 1.5SMC TransZorb® TVS diode, Zener type, 1500W peak pulse, 33.3V reverse standoff, 53.9V clamp, DO-214AB (SMC), Tape & Reel.

$0.3333Ref. price · indicative, final on quote
Vishay General Semiconductor - Diodes Division 1.5SMC39A-M3/57T datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

1.5SMC39A-M3/57T specifications
ParameterValue
TypeZener
Series1.5SMC, TransZorb®
MountingSurface Mount
Voltage - breakdown37.1V
Voltage - clamping (Max) @ ipp53.9V
Voltage - reverse standoff33.3V
Current - peak pulse (10/1000μs)27.8A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-65°C~150°C(TJ)
PackageTape & Reel (TR)
ApplicationsGeneral Purpose
CaseDO-214AB, SMC
Unidirectional channels1

Product details

Breakdown voltage window and operating temperature range

The 1.5SMC39A-M3/57T: Minimum breakdown voltage is 37.1 V, ensuring the device triggers before the 53.9 V clamp ceiling is reached.

Active lifecycle — no obsolescence risk for current designs

The 1.5SMC series is a mature, widely used platform — the TransZorb® construction delivers the clamping speed and energy handling expected for general-purpose circuit protection across industrial, telecom, and automotive auxiliary circuits.