Best Alternatives to PSMD050

Package: 0805TLC ElectronicComponentHold Current: 500 mATrip Current: 1.0 AMax Voltage: 6.0 VMax Current: 100 APower Dissipation: 0.50 W

Finding a replacement for the PSMD050 0.5A resettable fuse involves matching its 0805 package, 6V rating, and key current characteristics. Several alternatives exist, but careful review of hold and trip currents is critical.

AI replacement insight

Electrical riskmedium

Many available parts have different current ratings that alter circuit protection.

Package risklow

The 0805 package is a standard, making physical replacement straightforward.

Can it be replaced directly?

Direct replacement for PSMD050 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The most direct replacement path is to use SMD0805P050TF, which aligns on all critical parameters.

Main risk

Using a substitute with a higher hold/trip current, which would fail to protect the downstream circuit as intended.

Recommended alternatives

2
SMD0805P050TF package
Needs validationlow risk

Strong match for package, voltage, and current ratings. A potential pin-compatible replacement.

View details

Alternative comparison matrix

Feature / factorPSMD050SMD0805P050TFSMD0805-075C-16VAlt 3Compatibility / risk
Package0805080508050805 — Package size matches.; SMD0805-075C-16V: Package size matches.
Current1.0A1.0A1.5A1.0A / 1.5A — Trip current matches.; SMD0805-075C-16V: Trip current is higher.
Voltage6.0V6.0V16.0V6.0V / 16.0V — Max voltage rating matches.; SMD0805-075C-16V: Higher voltage rating provides more design margin.
Power0.5W0.5W-0.5W — Power dissipation matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for PSMD050 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.