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Microchip Technology SMCJ12CAE3/TR13 — Circuit Protection

SMCJ12CAE3/TR13 TVS Diode – 1.5 kW, 12 V, DO-214AB

MPNSMCJ12CAE3/TR13
Active

Microchip Technology SMCJ12CAE3/TR13, Zener TVS diode, 1500 W peak pulse power, 12 V reverse standoff, 19.9 V clamping at 75.3 A, bidirectional, DO-214AB surface-mount package, -65°C to 150°C junction temperature range.

$0.5850Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

SMCJ12CAE3/TR13 specifications
ParameterValue
TypeZener
MountingSurface Mount
Voltage - breakdown13.3V
Voltage - clamping (Max) @ ipp19.9V
Voltage - reverse standoff12V
Current - peak pulse (10/1000μs)75.3A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-65°C~150°C(TJ)
PackageTape & Reel (TR)
ApplicationsGeneral Purpose
CaseDO-214AB, SMC
Bidirectional channels1

Product details

1.5 kW peak pulse power in a DO-214AB footprint

The 12 V reverse standoff voltage means it sits across a 12 V supply bus without conducting at nominal voltage, only clamping when the line exceeds the 13.3 V minimum breakdown threshold.

Clamping voltage and peak current for rail protection

The 13.3 V minimum breakdown voltage ensures the TVS triggers before the protected circuitry enters an overvoltage condition, giving the downstream components a defined stress ceiling.

Active production, surface-mount DO-214AB

Rated for junction temperatures from -65°C to 150°C, this TVS handles the thermal extremes of outdoor telecom cabinets, engine-bay electronics, and industrial control panels. The bidirectional configuration (one channel) protects against both positive and negative transients on a single line, simplifying the BOM for AC-coupled or bipolar signal buses.

Frequently asked questions

What is the closest pin-compatible alternative to SMCJ12CAE3/TR13 in this Circuit Protection family?

The SMCJ12CAE3/TR13 is a bidirectional Zener TVS in the standard DO-214AB footprint. Direct cross-shopped parts include the SMCJ12A (unidirectional) and SMCJ12CA (bidirectional) from Microchip's own SMCJ series, which share the same package and 1500 W rating but may differ in breakdown tolerance or AEC-Q grade. Confirm the specific breakdown voltage and clamping specs against your design before substituting.