SM6T27A

STMicroelectronics

STMicroelectronics SM6T27A, TRANSIL™ series, TVS Zener diode, 600W peak pulse power, 23.1V standoff, 25.7V breakdown min, 48.3V clamping, DO-214AA SMB, -55°C to 150°C.

STMicroelectronics SM6T27A
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[IN STOCK] In Stock: 2,067 pcs
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MOQ 5 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

SM6T27A specifications
Parameter / AttributeSpecification / Value
TypeZener
SeriesSM6T, TRANSIL™
MountingSurface Mount
Voltage - breakdown25.7V
Voltage - clamping (Max) @ ipp48.3V
Voltage - reverse standoff23.1V
Current - peak pulse (10/1000μs)83A (8/20µs)
Power - peak pulse600W
Power line protectionNo
Operating temperature-55°C~150°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
ApplicationsGeneral Purpose
CaseDO-214AA, SMB
Unidirectional channels1

Technical details

TVS diode for 24V rail protection

With a reverse standoff voltage of 23.1 V and a minimum breakdown voltage of 25.7 V, it is a natural fit for protecting 24 V nominal systems — think industrial sensors, PLC I/O modules, or automotive auxiliary supplies. The clamping voltage peaks at 48.3 V at the rated 83 A peak pulse current (8/20 µs waveform), which keeps downstream components inside their safe operating area during a surge event.

No power line protection is built in; this is a straight unidirectional clamp for signal or DC rail use.

For BOM planning, this removes the last-time-buy risk that haunts older TVS families.

SM6T27A
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