BSMD0402L-035
BHFUSE
Needs validationmedium risk
Form-fit compatible with a higher current rating; the closest parametric match found.
Best Alternatives to BSMD0402L-020
Finding a substitute for the BHFUSE BSMD0402L-020 PTC fuse requires careful electrical analysis. While several parts match its 0402 package and 6V rating, no direct current rating matches were found, necessitating a review of circuit protection requirements.
AI replacement insight
Electrical riskhigh
Higher current ratings may fail to protect the circuit, potentially leading to damage.
Package risklow
All viable candidates match the 0402 package, ensuring form and fit compatibility.
Can it be replaced directly?
No, there are no direct, drop-in replacements for BSMD0402L-020 with identical key parameters. All found alternatives have higher current ratings.
Best replacement path
Evaluate BSMD0402L-035, which has the closest (though still higher) current rating. If the circuit can tolerate a 350mA hold current, it is the most viable option.
Main risk
The primary risk is insufficient overcurrent protection due to candidates having higher hold and trip currents than the original part.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | BSMD0402L-020 | BSMD0402L-035 | 0402L050SL6SR | 0402L050SLKR | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Package size matches.; 0402L050SL6SR: Package size matches.; 0402L050SLKR: Package size matches.; BSMD0402L-050: Package size matches. |
| Voltage | 6V | 6V | 6V | 6V | 6V — Maximum voltage rating matches.; 0402L050SL6SR: Maximum voltage rating matches.; 0402L050SLKR: Maximum voltage rating matches.; BSMD0402L-050: Maximum voltage rating matches. |
| Current | 500mA | 700mA | 500mA | 500mA | 700mA / 500mA / 1A — Higher trip current reduces circuit protection.; 0402L050SL6SR: Significantly higher hold current reduces circuit protection.; 0402L050SLKR: Significantly higher hold current reduces circuit protection.; BSMD0402L-050: Significantly higher trip current reduces circuit protection. |
| Manufacturer | BHFUSE | - | LUTE | Littelfuse | LUTE / Littelfuse — Cross-vendor alternative.; 0402L050SLKR: Cross-vendor alternative. |
Application & sourcing insights
Questions & answers
No direct drop-in replacement was found. The closest option is BSMD0402L-035, which has a higher hold current (350mA vs 200mA) and requires engineering review to ensure it provides adequate protection for your application.