Best Alternatives to SMD1206P025TF

Package: 1206RUILONCircuit ProtectionHold Current: 250 mATrip Current: 500 mAOperating Voltage (Max): 16 VCurrent Rating (Max): 100 APower Dissipation (Typ): 0.6 W

SMD1206P025TF is a 1206 PTC resettable fuse with a 0.25A hold current. While form-factor compatible alternatives exist, finding an exact electrical match is challenging, with most options having different current ratings that require engineering review.

AI replacement insight

Electrical riskhigh

Hold current mismatch significantly changes circuit protection characteristics.

Package risklow

All candidates share the same 1206 package, ensuring mechanical compatibility.

Can it be replaced directly?

No direct, drop-in replacement was identified. All candidates require a review of their electrical parameters, especially the hold current.

Best replacement path

Seek a 1206 PTC fuse with a hold current closer to 0.25A. The BNstar SMD1206-050C series is a starting point if a 0.5A hold current is acceptable.

Main risk

The main risk is using a part with a higher hold current, which will not protect the circuit at the intended 0.25A level.

Recommended alternatives

3
SMD1206-050C-24V package
Needs validationmedium risk

A 1206 PTC fuse with higher voltage rating but a higher hold current (0.5A), offered as a parametric alternative needing review.

View details

Alternative comparison matrix

Feature / factorSMD1206P025TFSMD1206-050C-24VSMD1206-050C-30VSMD1206-075C-30VCompatibility / risk
Package12061206120612061206 — Form factor matches.; SMD1206-050C-30V: Form factor matches.; SMD1206-075C-30V: Form factor matches.
Voltage16.0V24.0V30.0V30.0V24.0V / 30.0V — Higher voltage rating provides more margin.; SMD1206-050C-30V: Higher voltage rating provides more margin.; SMD1206-075C-30V: Higher voltage rating provides more margin.
Current0.25A0.5A0.5A0.75A0.5A / 0.75A — Hold current is 2x higher, altering protection level.; SMD1206-050C-30V: Hold current is 2x higher, altering protection level.; SMD1206-075C-30V: Hold current is 3x higher, significantly altering protection.
Resistance2.5Ω0.80Ω0.70Ω0.50Ω0.80Ω / 0.70Ω / 0.50Ω — Max resistance is significantly different.; SMD1206-050C-30V: Max resistance is significantly different.; SMD1206-075C-30V: Max resistance is significantly different.
Lifecycle--Active-Active — Candidate is listed as Active.

Application & sourcing insights

Questions & answers

Parts like BNstar's SMD1206-050C-30V or SMD1206-050C-24V are potential parametric alternatives. They share the 1206 package and have a higher voltage rating, but their 0.5A hold current is double the target's 0.25A, requiring careful design validation.