
PTTC(Polytronics Tech)
A 1206 PTC fuse with matching 1.5A hold current, 8V rating, and power dissipation.
Finding a substitute for the 1206L150THWR PTC fuse involves matching its 1.5A hold current, 8V rating, and 1206 package. While direct matches exist, careful review of trip characteristics is essential.
High if hold/trip current or trip time is mismatched; low for parametrically identical parts.
The 1206 package is standardized, minimizing physical compatibility issues.
Check availability and authorized distributors for any chosen alternative.
Direct replacement for 1206L150THWR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The best path is to use a cross-vendor part with identical ratings, such as SMD1206P150TFT.
The main risk is using a part with a different hold current, which will not protect the circuit as intended.

PTTC(Polytronics Tech)
A 1206 PTC fuse with matching 1.5A hold current, 8V rating, and power dissipation.
| Feature / factor | 1206L150THWR | SMD1206P150TFT | SMD1206-300C-12V | SMD1206-300C-8V | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Identical package ensures form and fit.; SMD1206-300C-12V: Identical package ensures form and fit.; SMD1206-300C-8V: Identical package ensures form and fit. |
| Current | 1.5A | 1.5A | 3.0A | 3.0A | 1.5A / 3.0A — Hold current matches target's protection level.; SMD1206-300C-12V: Hold current is 2x higher, reducing protection.; SMD1206-300C-8V: Hold current is 2x higher, reducing protection. |
| Voltage | 8V | 8V | 12V | 8V | 8V / 12V — Maximum voltage rating is identical.; SMD1206-300C-12V: Higher voltage rating provides more margin.; SMD1206-300C-8V: Maximum voltage rating is identical. |
| Power | 0.8W | 0.8W | 1.0W | 1.0W | 0.8W / 1.0W — Typical power dissipation matches.; SMD1206-300C-12V: Higher power dissipation.; SMD1206-300C-8V: Higher power dissipation. |
| Resistance | 0.04/0.12 Ω | 0.04/0.12 Ω | - | - | 0.04/0.12 Ω — Min/Max resistance values are identical. |
Verified drop-in options for 1206L150THWR 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.