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Taiwan Semiconductor Corporation 1.5SMC33AHR7G — Circuit Protection

1.5SMC33AHR7G TVS Diode, 1500W, 28.2V Standoff, DO-214AB

MPN1.5SMC33AHR7G
Active

Taiwan Semiconductor Corporation 1.5SMC series Zener TVS diode, automotive grade, 1500W peak pulse power, 28.2V reverse standoff, 45.7V clamping, DO-214AB SMC package, Tape & Reel.

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

Specifications

1.5SMC33AHR7G specifications
ParameterValue
TypeZener
Series1.5SMC
MountingSurface Mount
Voltage - breakdown31.4V
Voltage - clamping (Max) @ ipp45.7V
Voltage - reverse standoff28.2V
Current - peak pulse (10/1000μs)34A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C ~ 150°C (TJ)
GradeAutomotive
PackageTape & Reel (TR)
QualificationAEC-Q101
CaseDO-214AB, SMC
Unidirectional channels1

Product details

Automotive-grade transient protection for 28 V rails

The 1.5SMC33AHR7G is a Zener-type TVS diode from Taiwan Semiconductor Corporation's 1.5SMC series, designed to clamp voltage transients on 28 V nominal supply lines in automotive electronics.

AEC-Q101 qualification and active lifecycle

The part carries AEC-Q101 automotive qualification, meaning it has passed stress tests for temperature cycling, high-temperature reverse bias, and ESD robustness — required for under-hood and chassis-domain modules. Production status is active per the manufacturer, so the 1.5SMC33AHR7G remains a current BOM line for new designs and ongoing production builds.

Frequently asked questions

Is the 1.5SMC33AHR7G automotive qualified?

Yes, it is AEC-Q101 qualified, making it suitable for automotive applications requiring proven reliability under temperature and stress.