
TECHFUSE
Strongest alternative, matching package, voltage, 1.5A hold current, and 3.0A trip current.
Finding a replacement for the Littelfuse 0805L150SLYR PTC fuse involves matching the 0805 package, 6V rating, and critical 1.5A hold current. Several alternatives exist with varying electrical parameters.
High if hold current is not matched. Medium for mismatches in trip time or resistance.
Low, as all candidates are in the standard 0805 package.
Low, as multiple manufacturers produce similar 0805 PTC fuses.
Direct replacement for 0805L150SLYR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
The most direct path is to use TECHFUSE SL0805150, which matches key parameters. Other options with higher hold currents (2.0A or 3.0A) are available but require careful circuit re-evaluation.
Using a substitute with a higher hold current than the original 1.5A, which could compromise circuit protection.

TECHFUSE
Strongest alternative, matching package, voltage, 1.5A hold current, and 3.0A trip current.
| Feature / factor | 0805L150SLYR | SL0805150 | JK-SMD-0805-200L | SMD0805-200-6V | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Same package and pin count.; JK-SMD-0805-200L: Same package and pin count.; SMD0805-200-6V: Same package and pin count. |
| Voltage | 6.0V | 6.0V | 6.0V | 6.0V | 6.0V — Maximum voltage rating is identical.; JK-SMD-0805-200L: Maximum voltage rating is identical.; SMD0805-200-6V: Maximum voltage rating is identical. |
| Current | 3.0A | 3.0A | 2.0A | 2.0A | 3.0A / 2.0A — Trip current (Itrip) is identical.; JK-SMD-0805-200L: Higher hold current may not protect the circuit as intended.; SMD0805-200-6V: Higher hold current may not protect the circuit as intended. |
| Power | 0.6W | 1.0W | - | - | 1.0W — Higher power dissipation is generally safer. |
Verified drop-in options for 0805L150SLYR 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.