
TECHFUSE
A direct upgrade from the same manufacturer with a higher 30V rating for increased voltage tolerance.
Finding a replacement for the TECHFUSE nSMD075-24V PTC fuse involves matching its 1206 package, 0.75A hold current, and 24V rating. The best option is an upgrade to the 30V version from the same family.
Mismatched hold current can lead to circuit damage.
All reviewed candidates use the same 1206 package.
Multiple compatible or near-compatible options are available from different manufacturers.
Direct replacement for nSMD075-24V should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The recommended path is an upgrade to nSMD075-30V, which offers a higher voltage rating with no other changes.
The primary risk is substituting with a part that has a higher hold current, which would compromise the circuit's overcurrent protection.

TECHFUSE
A direct upgrade from the same manufacturer with a higher 30V rating for increased voltage tolerance.
| Feature / factor | nSMD075-24V | nSMD075-30V | SMD1206-075C-30V | nSMD100-30V | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Identical package ensures form and fit.; SMD1206-075C-30V: Identical package ensures form and fit.; nSMD100-30V: Identical package ensures form and fit. |
| Current | 0.75A | 0.75A | 0.75A | 1.0A | 0.75A / 1.0A — Hold current matches, ensuring correct protection level.; SMD1206-075C-30V: Hold current matches, ensuring correct protection level.; nSMD100-30V: Higher hold current reduces protection level. |
| Voltage | 24V | 30V | 30V | 30V | 30V — Higher voltage rating provides increased design margin.; SMD1206-075C-30V: Higher voltage rating provides increased design margin.; nSMD100-30V: Higher voltage rating is an improvement. |
| Manufacturer | TECHFUSE | TECHFUSE | BNstar | - | TECHFUSE / BNstar — Same manufacturer and series implies similar characteristics.; SMD1206-075C-30V: Different manufacturer; verify dynamic characteristics. |
Verified drop-in options for nSMD075-24V 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.