ProjectsPricingInsights

Best Alternatives to SL0805300

Package: 0805TECHFUSETemperature SensorsHold Current: 3.0 ATrip Current: 6.0 AMax Operating Voltage: 6.0 VMax Fault Current: 50 ATypical Power Dissipation: 1.0 W

Finding a replacement for the SL0805300 PTC fuse involves matching its 0805 package, 6V rating, 3A hold current, and 6A trip current. Several alternatives exist with similar or improved characteristics.

AI replacement insight

Electrical risklow

Key parameters like voltage and current are easily matched across vendors.

Package risklow

The 0805 package is a standard, ensuring mechanical compatibility.

Can it be replaced directly?

Direct replacement for SL0805300 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

BSMD0805L-300 offers a direct, low-risk replacement path with matching or improved specifications.

Main risk

The main risk when substituting PTC fuses is a mismatch in thermal characteristics (power dissipation) or trip time.

Recommended alternatives

2
BSMD0805L-300 package
BSMD0805L-300

BHFUSE

Needs validationlow risk

A strong alternative with identical core ratings, package, and improved power dissipation and resistance characteristics.

View details

Alternative comparison matrix

Feature / factorSL0805300BSMD0805L-300JK-SMD0805-300LAlt 3Compatibility / risk
Package0805080508050805 — Form and fit are identical.; JK-SMD0805-300L: Form and fit are identical.
Voltage6.0V6.0V6.0V6.0V — Maximum operating voltage is identical.; JK-SMD0805-300L: Maximum operating voltage is identical.
Current3.0A3.0A3.0A3.0A — Hold current is identical.; JK-SMD0805-300L: Hold current is identical.
Power1.0W1.2W0.8W1.2W / 0.8W — Higher power dissipation is a safe margin.; JK-SMD0805-300L: Lower power dissipation may alter thermal behavior.
Trip Time5s5s2s5s / 2s — Maximum time to trip is identical.; JK-SMD0805-300L: Faster trip time may cause nuisance tripping.

Application & sourcing insights

Questions & answers

Verified drop-in options for SL0805300 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.