SMBJ58CA-TR

STMicroelectronics

STMicroelectronics SMBJ, TRANSIL™ series, Type Zener, Bidirectional TVS Diode, 600W peak pulse power, 58V reverse standoff, 93.6V clamping, DO-214AA (SMB) surface mount, -55°C to 150°C junction temperature.

STMicroelectronics SMBJ58CA-TR
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MOQ 5 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

SMBJ58CA-TR specifications
Parameter / AttributeSpecification / Value
TypeZener
SeriesSMBJ, TRANSIL™
MountingSurface Mount
Voltage - breakdown64.4V
Voltage - clamping (Max) @ ipp93.6V
Voltage - reverse standoff58V
Current - peak pulse (10/1000μs)6.7A
Power - peak pulse600W
Power line protectionNo
Operating temperature-55°C~150°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
ApplicationsGeneral Purpose
CaseDO-214AA, SMB
Bidirectional channels1

Technical details

600W bidirectional TVS in a DO-214AA package

With a peak pulse power rating of 600W (10/1000µs waveform) and a clamping voltage of 93.6V at 6.7A, it provides a defined protection level for general-purpose power and signal lines. The DO-214AA (SMB) surface-mount package suits automated assembly for industrial and telecom boards.

Clamping voltage and breakdown tolerance

The 93.6V maximum clamping voltage at the rated 6.7A peak pulse current tells you the highest voltage the protected circuit will see during a surge event. The minimum breakdown voltage is 64.4V, so the device starts conducting between 58V (standoff) and 64.4V, leaving a guard band of about 6.4V above the working rail. That margin keeps the TVS out of conduction during normal 58V operation while still clamping early enough to protect downstream semiconductors rated for 100V or less.

No power line protection feature is built in — this is a transient suppressor, not a crowbar or a filter.

It is RoHS compliant per the standard lead-free directive. For automotive-grade requirements, verify AEC-Q101 qualification separately — the general-purpose listing does not guarantee automotive release.

SMBJ58CA-TR
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