Best Alternatives to SMCJ26CA

Package: DO-214AB, SMCBOURNSTVS - DiodesSeries: SMCJPackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Type: ZenerVoltage - Reverse Standoff (Typ): 26VVoltage - Breakdown (Min): 28.9V

SMCJ26CA is a 26V bidirectional SMC TVS diode. Close replacements need matching polarity, SMC package, and similar clamp voltage.

AI replacement insight

Electrical riskhigh

kept parts clamp above target

Package risklow

SMC package evidence exists

Firmware risklow

passive TVS device

Sourcing riskmedium

PDF checks are pending

Can it be replaced directly?

Direct replacement for SMCJ26CA should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Review 3.0SMCJ33CA first if a higher clamp voltage is acceptable.

Main risk

Higher VRWM or clamp voltage can leave the protected circuit exposed.

Recommended alternatives

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Alternative comparison matrix

Feature / factorSMCJ26CA3.0SMCJ33CA5.0SMDJ40CAQAlt 3Compatibility / risk
PackageDO-214AB (SMC)DO-214AB, SMCDO-214AB (SMC)DO-214AB, SMC / DO-214AB (SMC) — same SMC case text; 5.0SMDJ40CAQ: same package
Pinout2 pins0 listed2 pins0 listed / 2 pins — pin count absent; 5.0SMDJ40CAQ: pinout not checked
VoltageVC 42.1VVC 53.3VVC 64.5VVC 53.3V / VC 64.5V — higher clamp; 5.0SMDJ40CAQ: higher clamp
Power1500W3000W noted5000W3000W noted / 5000W — summary says 3000W; 5.0SMDJ40CAQ: higher surge power

Application & sourcing insights

Questions & answers

Verified drop-in options for SMCJ26CA are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.