BSMD1812-200-30V
BHFUSE
Needs validationlow risk
A strong alternative from BHFUSE with matching package, hold/trip current, and voltage ratings.
Best Alternatives to SMD1812-200C-30V
Find replacements for the BNstar SMD1812-200C-30V, a 2.0A/30V PTC resettable fuse in an 1812 package. We've analyzed several alternatives to find a suitable match for your design.
AI replacement insight
Electrical risklow
Primary ratings match, but secondary parameters like resistance and trip time need verification.
Package risklow
Package is a standard 1812, so mechanical fit is expected to be identical.
Can it be replaced directly?
Direct replacement for SMD1812-200C-30V should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most direct path is BHFUSE BSMD1812-200-30V, which matches all primary specs. For more voltage margin, consider BSMD1812-200-33V.
Main risk
The primary risk is a mismatch in dynamic behavior, such as the time-to-trip curve, which could alter the circuit's protection timing.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | SMD1812-200C-30V | BSMD1812-200-30V | BSMD1812-200-33V | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1812 | 1812 | 1812 | 1812 — Identical form factor.; BSMD1812-200-33V: Matches form factor. | |
| Current | 4.0A | 4.0A | 2.0A | 4.0A / 2.0A — Trip current matches.; BSMD1812-200-33V: Hold current matches. | |
| Voltage | 30V | 30V | 33V | 30V / 33V — Voltage rating matches.; BSMD1812-200-33V: Higher voltage rating provides more margin. | |
| Power | 0.8W | 1.0W | 1.0W | 1.0W — Higher power dissipation.; BSMD1812-200-33V: Higher power dissipation. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SMD1812-200C-30V are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.