Best Alternatives to 1210L050YR

Package: 1210 (3225 Metric), ConcaveLittelfusePTC Resettable FusesSeries: POLY-FUSE®, 1210LPackage: Tape & Reel (TR) Cut Tape (CT) Digi-Reel®Type: PolymericVoltage - Max: 13.2VCurrent - Hold (Ih) (Max): 500 mA

The Littelfuse 1210L050YR is a 0.5A hold current, 13.2V resettable PTC fuse in a 1210 package. Excellent pin-compatible alternatives like the TECHFUSE SMD1210-050 series are available with higher voltage ratings.

AI replacement insight

Electrical risklow

Candidates match critical currents and have higher voltage ratings.

Package risklow

All parts use the standard 1210 package.

Can it be replaced directly?

Direct replacement for 1210L050YR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with Datasheet verified or Strong match candidates for 1210L050YR, then review parametric alternatives for package and electrical fit.

Main risk

The main risk is minimal, but engineers should verify secondary parameters like resistance and trip time from the datasheet to ensure they fit the application's specific timing and power budget.

Recommended alternatives

2
SMD1210-050-16V package
Needs validationlow risk

Pin-compatible PTC fuse with matching current ratings and a slightly higher, safe voltage rating of 16V.

View details

Alternative comparison matrix

Feature / factor1210L050YRSMD1210-050-16VSMD1210-050-30VAlt 3Compatibility / risk
Package1210121012101210 — Package size matches.; SMD1210-050-30V: Package size matches.
Voltage13.2V16V30V16V / 30V — Higher voltage rating provides margin.; SMD1210-050-30V: Higher voltage rating is a safe upgrade.
Current1.0A1.0A1.0A1.0A — Trip current matches.; SMD1210-050-30V: Trip current matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for 1210L050YR 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.