What risks should I check before replacing SMBJ26CA?

The primary risk is minor variations in electrical characteristics like clamping voltage and dynamic impedance between different manufacturers. While these are usually small, it's crucial to review the datasheet for your chosen replacement to ensure it meets your circuit's specific protection needs.

SMBJ26CA Alternatives, Datasheet & Cross Reference | AVX

The SMBJ26CA is a standard 600W, 26V bidirectional TVS diode in a common SMB (DO-214AA) package. Due to its standardized nature, it is widely available from multiple manufacturers, offering numerous pin-compatible alternatives for robust circuit protection.

AI replacement insight

Electrical risklow

Key parameters are standardized, but minor variations exist.

Package risklow

The DO-214AA (SMB) package is a widely adopted industry standard.

Sourcing risklow

Part is available from numerous manufacturers, mitigating supply chain issues.

Can it be replaced directly?

Direct replacement for SMBJ26CA should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use a SMBJ26CA from a major manufacturer like Vishay, Littelfuse, or Diodes Inc. For automotive use, the SMBJ26CA-Q from Bourns is an ideal upgrade.

Main risk

Minor parametric differences (e.g., clamping voltage, dynamic impedance) between manufacturers. Always check the specific datasheet.

Recommended alternatives

A standard multi-source TVS diode with matching key electrical parameters and package.

View details

Alternative comparison matrix

Feature / factor	SMBJ26CA	SMBJ26CA	SMBJ26CA-E3/52	SMBJ26CA-13-F	Compatibility / risk
Package	SMB (DO-214AA)	SMB (DO-214AA)	DO-214AA, SMB	DO-214AA-2 (SMB)	SMB (DO-214AA) / DO-214AA, SMB / DO-214AA-2 (SMB) — Package is physically compatible.; SMBJ26CA-E3/52: Package is physically compatible.; SMBJ26CA-13-F: Package is physically compatible.; SMBJ26CA-TP: Package is physically compatible.
Polarity Or Type	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional — Polarity matches target.; SMBJ26CA-E3/52: Polarity matches target.; SMBJ26CA-13-F: Polarity matches target.; SMBJ26CA-TP: Polarity matches target.
Voltage	26.0V	26.0V	26V	26V	26.0V / 26V — Standoff voltage matches.; SMBJ26CA-E3/52: Standoff voltage matches.; SMBJ26CA-13-F: Standoff voltage matches.; SMBJ26CA-TP: Standoff voltage matches.
Power	600.0W	600.0W	600W	600W	600.0W / 600W — Peak pulse power matches.; SMBJ26CA-E3/52: Peak pulse power matches.; SMBJ26CA-13-F: Peak pulse power matches.; SMBJ26CA-TP: Peak pulse power matches.
Current	14.3A	14.3A	-	-	14.3A — Peak pulse current matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for SMBJ26CA 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.