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Best Alternatives to SS84

Package: SMC (DO-214AB)GOODWORKDiodesPeak Repetitive Reverse Voltage (VRRM): 40 VAverage Rectified Output Current (IO): 8.0 AForward Voltage (VF): 0.65 VNon-Repetitive Peak Forward Surge Current (IFSM): 200.0 APeak Reverse Current (IRM): 1.0 mA

SS84 is a 40V, 8A Schottky Barrier Rectifier in a standard SMC package, commonly used in power applications. This page provides a list of verified alternatives, including several upgrade options with higher voltage and current ratings for enhanced design margin.

AI replacement insight

Package risklow

The SMC (DO-214AB) package is standardized, making physical replacement straightforward.

Electrical riskmedium

While upgrades are generally safe, differences in forward voltage (Vf) or reverse leakage (Ir) can impact circuit efficiency and thermal performance. Verification is required.

Sourcing risklow

This type of diode is a commodity part available from many manufacturers, reducing sourcing challenges.

Can it be replaced directly?

Yes, parts like SS810, SS1060, and SK106C are strong candidates in the same SMC package. They offer equal or better voltage and current ratings. However, secondary electrical parameters like forward voltage should be verified by an engineer.

Best replacement path

Use an upgrade like SS10100 or SK1010C for higher voltage (100V) and current (10A) ratings in the same SMC package, providing greater design margin.

Main risk

The primary risk is accidentally using a standard general-purpose rectifier instead of a Schottky diode. This would increase power loss and negatively affect performance in high-frequency applications due to slower switching speed.

Recommended alternatives

5
SS10100 package
SS10100

LGE

Needs validationlow risk

SS10100 is a strong upgrade with higher 100V/10A ratings in the same SMC package. Review secondary parameters before use.

View details

Alternative comparison matrix

Feature / factorSS84SS10100SK1010CSK106CCompatibility / risk
PackageSMC (DO-214AB)SMC (DO-214AB)SMC (DO-214AB)DO-214AB (SMC)SMC (DO-214AB) / DO-214AB (SMC) — Package matches, ensuring form and fit compatibility.; SK1010C: Package matches.; SK106C: Package matches.; SS1060: Package matches.
Diode TypeSchottkySchottky--Schottky — Both are Schottky diodes, ensuring similar low forward voltage and fast switching.
Voltage40V100V100V60V100V / 60V — Higher voltage rating provides increased design margin.; SK1010C: Higher voltage rating.; SK106C: Higher voltage rating.; SS1060: Higher voltage rating.
Current8A10A10A10A10A — Higher current rating provides increased design margin.; SK1010C: Higher current rating.; SK106C: Higher current rating.; SS1060: Higher current rating.
Forward Voltage0.55V @ 8A0.85V @ 10A--0.85V @ 10A — Vf is higher, check impact on power dissipation.

Application & sourcing insights

Questions & answers

The best alternatives for SS84 are upgrade-path candidates like SS10100 or SK1010C. They offer higher voltage (100V) and current (10A) in the same SMC package, providing more robust performance.