What risks should I check before replacing JK-SMD0603-005?

Verify the hold current (Ihold), trip current (Itrip), and max voltage (Vmax). A higher hold/trip current reduces protection. Also check secondary parameters like resistance and time-to-trip for sensitive applications.

JK-SMD0603-005 Alternatives, Datasheet & Cross Reference | Jinrui Electronic Materials Co.

Find and compare replacements for the JK-SMD0603-005, a 24V 50mA 0603 PTC resettable fuse. Key alternatives include parts with higher voltage ratings or slightly different trip characteristics.

AI replacement insight

Electrical riskhigh

Using a part with a higher hold/trip current can lead to circuit damage.

Package risklow

The 0603 package is standardized, making physical replacement straightforward.

Can it be replaced directly?

Yes, BSMD0603-005-33V is a strong candidate that matches key electricals and offers a higher voltage rating.

Best replacement path

BSMD0603-005-33V from BHFUSE is an excellent upgrade, matching hold/trip currents with a higher 33V rating.

Main risk

The main risk is selecting a part with an incorrect hold or trip current, which would compromise overcurrent protection.

Recommended alternatives

Excellent upgrade with identical hold/trip currents and a higher voltage rating (33V vs 24V).

View details

Alternative comparison matrix

Feature / factor	JK-SMD0603-005	BSMD0603-005-33V	SMD0603-005-24V	Compatibility / risk
Package	0603	0603	-	0603 — Matches form factor.
Voltage	24V	33V	-	24V — Voltage rating matches.
Current	50mA	150mA	-	200mA — Trip current is higher, offering less protection.

Application & sourcing insights

Questions & answers

Verified drop-in options for JK-SMD0603-005 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.