
BHFUSE
Strong alternative with a higher voltage rating (30V vs 16V) and matching key electrical parameters.
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.
Mismatched hold/trip current or lower power dissipation can lead to circuit failure.
Many alternatives exist in the same 2920 package, ensuring physical compatibility.
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.
Upgrade to BSMD2920-400-30V from the same manufacturer for a higher voltage rating with identical current protection characteristics.
The primary risk when substituting is selecting a part with a different hold/trip current, which could compromise circuit protection.

BHFUSE
Strong alternative with a higher voltage rating (30V vs 16V) and matching key electrical parameters.
| Feature / factor | BSMD2920-400-16V | BSMD2920-400-30V | ASMD2920-400 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2920 | 2920 | 2920 | 2920 — Same package ensures form and fit compatibility.; ASMD2920-400: Same package ensures form and fit compatibility. | |
| Voltage | 16V | 30V | 16V | 30V / 16V — Higher voltage rating provides increased design margin.; ASMD2920-400: Voltage rating matches. | |
| Current | 4.0A | 4.0A | 4.0A | 4.0A — Identical hold current (Ih) maintains protection characteristics.; ASMD2920-400: Hold current (Ih) matches. | |
| Power | 2.5W | 2.5W | 1.5W | 2.5W / 1.5W — Matching power dissipation ensures similar thermal performance.; ASMD2920-400: Lower power rating may affect thermal performance and reliability. |
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.