Best Alternatives to MF-PSMF035X-2

Package: 0805 (2012 Metric), ConcaveBOURNSPTC Resettable FusesSeries: Multifuse®, MF-PSMFPackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Type: PolymericVoltage - Max: 6VCurrent - Max: 40 A

Find and compare replacements for the Bourns MF-PSMF035X-2, a 6V, 0.35A PTC resettable fuse in an 0805 package. This guide helps identify alternatives based on key electrical and mechanical parameters.

AI replacement insight

Electrical risklow

Key ratings match, but secondary parameters like trip time and resistance profile need verification.

Package risklow

Standard 0805 package ensures physical compatibility.

Can it be replaced directly?

Direct replacement for MF-PSMF035X-2 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

SMD0805P035TF is the most promising alternative as it matches all key electrical and physical specifications of the MF-PSMF035X-2.

Main risk

The primary risk when substituting PTC fuses is a mismatch in the time-to-trip characteristics, which could alter circuit protection behavior under fault conditions.

Recommended alternatives

2
SMD0805P035TF package
Needs validationlow risk

Strong alternative with matching package, voltage, and hold/trip current ratings.

View details

Alternative comparison matrix

Feature / factorMF-PSMF035X-2SMD0805P035TFSMD0805P050TFAlt 3Compatibility / risk
Package0805 (2012 metric)080508050805 — Package size matches.; SMD0805P050TF: Package size matches.
Voltage6.0V6.0V6.0V6.0V — Maximum voltage rating matches.; SMD0805P050TF: Maximum voltage rating matches.
Current0.75A0.75A1.0A0.75A / 1.0A — Trip current matches.; SMD0805P050TF: Higher trip current reduces protection.
Temperature-40°C to +85°C-40°C to +85°C--40°C to +85°C — Operating temperature range matches.
Resistance1.20Ω-0.85Ω0.85Ω — Lower max resistance is an improvement.

Application & sourcing insights

Questions & answers

Verified drop-in options for MF-PSMF035X-2 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.