
BNstar
Excellent alternative with identical package and key electrical ratings.
FSMD005-1206-R is a common 60V, 50mA PTC resettable fuse in a 1206 package. Several strong, pin-compatible alternatives are available, offering flexibility in sourcing and design.
Key static parameters match. Dynamic behavior (trip time) should be verified.
All strong candidates use the same standard 1206 package.
Multiple alternative manufacturers improve supply chain resilience.
Direct replacement for FSMD005-1206-R should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Start with Datasheet verified or Strong match candidates for FSMD005-1206-R, then review parametric alternatives for package and electrical fit.
Slight variations in dynamic behavior, such as trip time and resistance-temperature characteristics, may exist between manufacturers.

BNstar
Excellent alternative with identical package and key electrical ratings.
| Feature / factor | FSMD005-1206-R | SMD1206-005C-60V | BSMD1206-005-60V | SMD1206P005TF | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Same package size and pin count.; BSMD1206-005-60V: Same package size and pin count.; SMD1206P005TF: Same package size and pin count. |
| Voltage | 60V | 60V | 60V | 60V | 60V — Maximum voltage rating matches.; BSMD1206-005-60V: Maximum voltage rating matches.; SMD1206P005TF: Maximum voltage rating matches. |
| Current | 150mA | 150mA | 150mA | 150mA | 150mA — Trip current (It) matches.; BSMD1206-005-60V: Trip current (It) matches.; SMD1206P005TF: Trip current (It) matches. |
| Power | 0.4W | 0.4W | 0.6W | 0.6W | 0.4W / 0.6W — Typical power dissipation matches.; BSMD1206-005-60V: Higher power dissipation may affect thermal behavior.; SMD1206P005TF: Higher power dissipation may affect thermal behavior. |
Verified drop-in options for FSMD005-1206-R 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.