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Best Alternatives to ASMD2920-400

Package: 2920JDTfuseComponentOperating Voltage (Max): 16VHold Current: 4ACurrent Rating (Max): 40APower Dissipation: 1.5WTrip Current: 8A

Find and compare replacements for the ASMD2920-400, a 4A/16V PTC resettable fuse in a 2920 package. Top alternatives offer higher voltage or power ratings from the same or competing manufacturers.

AI replacement insight

Electrical riskmedium

Mismatched hold/trip current or trip time can affect circuit protection. Must be verified.

Package risklow

The 2920 package is standardized, making physical replacement straightforward.

Sourcing risklow

Multiple vendors produce compatible parts, ensuring a stable supply chain.

Can it be replaced directly?

Yes, several direct replacements are available. The best is ASMD2920-400-24V, an upgrade from the same manufacturer with matching current ratings.

Best replacement path

Upgrade to ASMD2920-400-24V from the same manufacturer for a higher voltage rating and identical performance.

Main risk

The main risk is selecting a part with a higher hold current, which would compromise the circuit's overcurrent protection.

Recommended alternatives

4
BSMD2920-400-30V package
Needs validationlow risk

A cross-vendor alternative with matching 4A hold current and superior 30V/2.5W ratings.

View details

Alternative comparison matrix

Feature / factorASMD2920-400ASMD2920-400-24VBSMD2920-400-30VBSMD2920-400-16VCompatibility / risk
Package29202920292029202920 — Form factor matches.; BSMD2920-400-30V: Form factor matches.; BSMD2920-400-16V: Form factor matches.; BSMD2920-500-16V: Form factor matches.
Current4.0A4.0A4.0A4.0A4.0A / 5.0A — Hold current matches.; BSMD2920-400-30V: Hold current matches.; BSMD2920-400-16V: Hold current matches.; BSMD2920-500-16V: Higher hold current (5A vs 4A) reduces protection.
Voltage16.0V24.0V30.0V16.0V24.0V / 30.0V / 16.0V — Higher voltage rating provides more design margin.; BSMD2920-400-30V: Higher voltage rating provides more design margin.; BSMD2920-400-16V: Voltage rating matches.; BSMD2920-500-16V: Voltage rating matches.
Power1.5W1.5W2.5W2.5W1.5W / 2.5W — Power dissipation matches.; BSMD2920-400-30V: Higher power dissipation is an improvement.; BSMD2920-400-16V: Higher power dissipation is an improvement.; BSMD2920-500-16V: Higher power dissipation is an improvement.

Application & sourcing insights

Questions & answers

The best alternative is ASMD2920-400-24V. It is made by the same manufacturer, Shenzhen JDT Fuse, and offers a higher voltage rating (24V vs 16V) while matching the critical 4A hold current.