ProjectsPricingInsights

Best Alternatives to SMCJ30CA

Package: SMC (DO-214AB)BOURNSTransient Voltage Suppressors (TVS)Polarity: BidirectionalReverse Stand-Off Voltage (Vrwm): 30 VBreakdown Voltage (VBR) Min: 33.3 VBreakdown Voltage (VBR) Max: 36.8 VPeak Pulse Power (PPPM): 1500 W

SMCJ30CA is a 30V bidirectional SMC TVS diode. The closest listed option is parametric only and needs FAE review.

AI replacement insight

Electrical riskmedium

33V option clamps higher.

Package risklow

SMC package matches.

Firmware risklow

Passive TVS device.

Sourcing riskmedium

Lifecycle data is limited.

Can it be replaced directly?

No verified pin-compatible replacement is proven from these candidates.

Best replacement path

Review 5.0SMDJ33CA only if higher clamp voltage is acceptable.

Main risk

Voltage protection level changes.

Recommended alternatives

1
5.0SMDJ33CA package
5.0SMDJ33CA

BOURNS

Needs validationmedium risk

5.0SMDJ33CA is a higher-power SMC TVS option with higher protection voltage.

View details

Alternative comparison matrix

Feature / factorSMCJ30CA5.0SMDJ33CAAlt 2Alt 3Compatibility / risk
PackageDO-214AB SMCDO-214AB SMCDO-214AB SMC — same catalog package
Pinout2 pins2 pins2 pins — no pinout proof
Voltage30V VRWM, 48.4V VC33V VRWM, 53.3V VC33V VRWM, 53.3V VC — higher clamp
Power1500W5000W5000W — higher pulse rating
Current31.0A93.8A93.8A — higher Ipp listed

Application & sourcing insights

Questions & answers

From the listed parts, 5.0SMDJ33CA is the closest candidate, but it is not a verified drop-in.