Is there a pin-compatible replacement for SMAJ24A-13-F?

Several parts like SMAJ30A-13-F share the same SMA package and pinout, but key electrical parameters like standoff voltage differ. No direct pin-to-pin replacement has been verified; review is required.

What risks should I check before replacing SMAJ24A-13-F?

Key risks include standoff voltage mismatch, which could leave your circuit unprotected, and polarity mismatch (unidirectional vs. bidirectional), which is a critical functional difference. Always verify these parameters from the datasheet.

SMAJ24A-13-F Alternatives, Datasheet & Cross Reference | Diodes Incorporated

Find and compare alternatives for the Diodes Inc. SMAJ24A-13-F, a 400W, 24V unidirectional TVS diode in an SMA package, for your circuit protection needs.

AI replacement insight

Electrical riskhigh

Standoff voltage and polarity are critical for TVS diodes; mismatch can cause circuit failure.

Package risklow

Candidates share the same SMA package, so physical fit is not a primary concern.

Can it be replaced directly?

No, there are no verified direct drop-in replacements for SMAJ24A-13-F. All candidates have key parametric differences that require engineering review.

Best replacement path

The best path is to select a functional alternative like SMAJ30A-13-F and have a circuit engineer validate that the higher 30V standoff voltage is acceptable for the application.

Main risk

The primary risk is using a substitute with a different standoff voltage or polarity, which could lead to inadequate circuit protection or malfunction.

Recommended alternatives

A functional alternative in the same package, but with a higher 30V standoff voltage requiring engineering review.

View details

Alternative comparison matrix

Feature / factor	SMAJ24A-13-F	SMAJ30A-13-F	SMAJ36A-13-F	Compatibility / risk
Package	SMA	SMA (DO-214AC)	SMA (DO-214AC)	SMA (DO-214AC) — Same package family.; SMAJ36A-13-F: Same package family.
Polarity Or Type	Unidirectional	Unidirectional	Unidirectional	Unidirectional — matched; SMAJ36A-13-F: matched
Voltage V	24.0V	30.0V	36.0V	30.0V / 36.0V — Higher standoff voltage may not protect the circuit as intended.; SMAJ36A-13-F: Higher standoff voltage may not protect the circuit as intended.
Power W	400.0W	400.0W	400.0W	400.0W — matched; SMAJ36A-13-F: matched
Temperature	-55°C to +150°C	-55°C to +150°C	-55°C to +150°C	-55°C to +150°C — matched; SMAJ36A-13-F: matched

Application & sourcing insights

Questions & answers

SMAJ30A-13-F is a potential alternative, but has a higher 30V standoff voltage. All alternatives require engineering review to ensure compatibility with your circuit's operating voltage and transient protection requirements.