Best Alternatives to BSMD1812-200-30V

Package: 1812BHFUSECircuit ProtectionOperating Voltage (Max): 30VHold Current: 2ATrip Current: 4AFault Current (Max): 40APower Dissipation (Typ): 1W

BSMD1812-200-30V is a 1812 SMD PTC fuse rated 30V with 2A hold current. The closest listed option is the same-series 33V part, pending FAE checks.

AI replacement insight

Electrical riskmedium

Trip curve and resistance need review.

Package risklow

Kept candidates list 1812.

Firmware risklow

Passive protection device.

Sourcing riskmedium

Use catalog status and lifecycle checks.

Can it be replaced directly?

Direct replacement for BSMD1812-200-30V should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Check BSMD1812-200-33V first, then review BNstar SMD1812-200C-30V if lower Pd is acceptable.

Main risk

Trip behavior, resistance and land pattern are not yet datasheet-verified.

Recommended alternatives

2
BSMD1812-200-33V package
Needs validationmedium risk

BHFUSE BSMD1812-200-33V is a close 1812 PTC candidate with higher voltage rating.

View details

Alternative comparison matrix

Feature / factorBSMD1812-200-30VBSMD1812-200-33VSMD1812-200C-30VAlt 3Compatibility / risk
Package18121812-1812 — same size
Pinout2 pins2 pins-2 pins — pin function not checked
Voltage30V33V-30V — same Vmax
Current2A hold, 4A trip2A hold, 4A trip-2A hold, 4A trip — same current
Power1W1W-0.8W — less Pd

Application & sourcing insights

Questions & answers

Verified drop-in options for BSMD1812-200-30V 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.