Is there a pin-compatible replacement for S5MC?

Yes, S10MC and S6MC are pin-compatible replacements in the same DO-214AB (SMC) package. They offer higher current ratings, making them potential upgrades. Engineering verification is still recommended.

What risks should I check before replacing S5MC?

When replacing S5MC, verify the substitute's forward voltage (Vf) to manage power dissipation, and its reverse recovery time (Trr) if used in high-frequency switching circuits. Also, ensure the package dimensions are identical.

S5MC Alternatives, Datasheet & Cross Reference | MDD(Microdiode Semiconductor)

S5MC is a 1000V, 5A standard rectifier in a DO-214AB/SMC package. Key alternatives include higher-current versions in the same package like S6MC and S10MC, which may serve as direct upgrades after verifying thermal performance.

AI replacement insight

Electrical risklow

Voltage matches and current is higher. Forward voltage (Vf) and recovery time (Trr) should be verified.

Package risklow

Pin-compatible upgrades like S10MC and S6MC use the same DO-214AB/SMC package, minimizing layout changes.

Can it be replaced directly?

Yes, S10MC and S6MC are strong candidates for direct replacement, offering higher current capacity in the same DO-214AB (SMC) package.

Best replacement path

Upgrade to S10MC for a 2x current margin in the same package, providing a more robust design.

Main risk

The main risk is a potential increase in forward voltage (Vf), which could lead to higher power loss and heat, requiring thermal verification.

Recommended alternatives

A pin-compatible upgrade with double the current rating (10A) in the same SMC package.

View details

Alternative comparison matrix

Feature / factor	S5MC	S10MC	S6MC	Compatibility / risk
Package	DO-214AB, SMC	DO-214AB, SMC	DO-214AB (SMC)	DO-214AB, SMC / DO-214AB (SMC) — Package matches, enabling drop-in.; S6MC: Package matches, enabling drop-in.
Voltage	1000V	1000V	1000V	1000V — Voltage rating matches.; S6MC: Voltage rating matches.
Current	5A	10A	6A	10A / 6A — Higher current rating provides more design margin.; S6MC: Slightly higher current rating.
Forward Voltage	1V @ 5A	1.1V (typical)	1.15V @ 6A	1.1V (typical) / 1.15V @ 6A — Forward voltage may differ; check datasheet for value at target current.; S6MC: Slightly higher Vf may increase power loss.

Application & sourcing insights

Questions & answers

For a direct upgrade, S10MC offers double the current rating (10A) in the same package. S6MC is also a good option with a 6A rating. Both require checking secondary parameters like forward voltage.