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Microchip Technology SMCJ14CE3/TR13 — Circuit Protection

SMCJ14CE3/TR13 TVS Diode – Microchip, 14V, 1500W, DO-214AB

MPNSMCJ14CE3/TR13
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Microchip Technology SMCJ14CE3/TR13, Zener TVS diode, 14V reverse standoff, 1500W peak pulse power, bidirectional, DO-214AB SMC package, Tape & Reel.

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

Specifications

SMCJ14CE3/TR13 specifications
ParameterValue
TypeZener
MountingSurface Mount
Voltage - breakdown15.6V
Voltage - clamping (Max) @ ipp25.8V
Voltage - reverse standoff14V
Current - peak pulse (10/1000μs)58.1A
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

Surge clamp for a 14V rail – what the ratings mean

The SMCJ14CE3/TR13 is a bidirectional Zener TVS diode from Microchip Technology, designed to clamp transients on a 14V nominal rail. Its 1500W peak pulse power rating (10/1000 µs waveform) gives it the energy capacity for industrial surge environments — motor drives, relay kickback, or lightning-induced spikes on outdoor equipment. The reverse standoff voltage of 14V means it sits across the rail without conducting during normal operation; the minimum breakdown voltage of 15.6V defines where it starts to avalanche. Clamping is specified at 25.8V maximum at the peak pulse current of 58.1A, which is the voltage the protected circuitry must survive.

Package and temperature envelope for the board

Housed in the DO-214AB (SMC) surface-mount package, the same footprint used across the SMCJ14 family.

Frequently asked questions

Is SMCJ14CE3/TR13 bidirectional?

Yes, it is a single bidirectional channel. That means it clamps transients of either polarity — useful for AC signal lines or bipolar power rails where the surge can swing positive or negative relative to ground.

What is the closest pin-compatible alternative in the same family?

Within the SMCJ14 base number, the unidirectional variant (SMCJ14A) shares the same DO-214AB footprint and voltage ratings but protects only one polarity. For a bidirectional replacement, any SMCJ14C device from the same series is a direct fit; the '' suffix on this part indicates lead-free / RoHS-compliant plating. Confirm the breakdown tolerance and clamping voltage match your design margin.