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Best Alternatives to BSMD2920-400-16V

Package: 2920BHFUSECircuit ProtectionHold Current: 4ATrip Current: 8AMax Operating Voltage: 16VMax Fault Current: 40APower Dissipation: 2.5W

Find and compare alternatives for the BHFUSE BSMD2920-400-16V, a 4A/16V PTC resettable fuse in a 2920 package. This analysis covers pin-compatible upgrades and functional alternatives to ensure circuit protection.

AI replacement insight

Electrical riskhigh

Mismatched hold/trip current or lower power dissipation can lead to circuit failure.

Package risklow

Many alternatives exist in the same 2920 package, ensuring physical compatibility.

Can it be replaced directly?

Yes, BSMD2920-400-30V is a strong candidate for direct replacement. It offers the same form, fit, and current rating with an improved voltage margin.

Best replacement path

Upgrade to BSMD2920-400-30V from the same manufacturer for a higher voltage rating with identical current protection characteristics.

Main risk

The primary risk when substituting is selecting a part with a different hold/trip current, which could compromise circuit protection.

Recommended alternatives

2
BSMD2920-400-30V package
Needs validationlow risk

Strong alternative with a higher voltage rating (30V vs 16V) and matching key electrical parameters.

View details

Alternative comparison matrix

Feature / factorBSMD2920-400-16VBSMD2920-400-30VASMD2920-400Alt 3Compatibility / risk
Package2920292029202920 — Same package ensures form and fit compatibility.; ASMD2920-400: Same package ensures form and fit compatibility.
Voltage16V30V16V30V / 16V — Higher voltage rating provides increased design margin.; ASMD2920-400: Voltage rating matches.
Current4.0A4.0A4.0A4.0A — Identical hold current (Ih) maintains protection characteristics.; ASMD2920-400: Hold current (Ih) matches.
Power2.5W2.5W1.5W2.5W / 1.5W — Matching power dissipation ensures similar thermal performance.; ASMD2920-400: Lower power rating may affect thermal performance and reliability.

Application & sourcing insights

Questions & answers

The best alternative is BSMD2920-400-30V. It is made by the same manufacturer, has the same 4A hold current, and offers a higher 30V maximum voltage rating for increased robustness.