Is there a pin-compatible replacement for 0215005.MXP?

Yes, several 5x20mm cartridge fuses are form-factor compatible. However, no pin-to-pin equivalent has been verified, as key electrical parameters like breaking capacity differ significantly in available options.

What risks should I check before replacing 0215005.MXP?

Before replacing, you must verify the required breaking capacity (interrupting rating) of your application. Using a glass fuse like the 0218005.MXP in place of the ceramic 0215005.MXP drastically lowers this safety rating.

0215005.MXP Alternatives, Datasheet & Cross Reference | Littelfuse

Reviewing alternatives for the Littelfuse 0215005.MXP, a 5A 250V time-lag ceramic cartridge fuse. Key considerations for substitutes include matching the current rating, time-lag characteristic, and high breaking capacity.

AI replacement insight

Electrical riskhigh

Breaking capacity mismatch is a critical safety issue.

Package risklow

The 5x20mm cartridge package is a standard form factor.

Can it be replaced directly?

No direct, drop-in replacement has been identified. While parts with the same current and voltage exist, they differ in body material (glass vs. ceramic), which critically affects the breaking capacity.

Best replacement path

The best path is finding another 5A/250V time-lag ceramic fuse in a 5x20mm package with a high breaking capacity (interrupting rating). The Littelfuse 218 series is a glass-body alternative with a much lower breaking capacity.

Main risk

The main risk is using a substitute with a lower breaking capacity (interrupting rating), which could lead to fuse failure and fire hazard in high-fault-current conditions.

Recommended alternatives

A parametric alternative in the same series with a higher 6.3A current rating.

View details

Alternative comparison matrix

Feature / factor	0215005.MXP	021506.3MXP	0218005.MXP	Compatibility / risk
Package	5mm x 20mm	5mm x 20mm	5mm x 20mm	5mm x 20mm — Form factor matches.; 0218005.MXP: Form factor matches.
Voltage	250V	250V	-	250V — Voltage rating matches.
Current	5.0A	6.3A	5.0A	6.3A / 5.0A — Higher current rating provides less protection.; 0218005.MXP: Current rating matches.
Fuse Type	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge (Glass)	Cartridge, Ceramic / Cartridge (Glass) — Body material and time-lag characteristic match.; 0218005.MXP: Glass body has much lower breaking capacity than target's ceramic.
Breaking Capacity	1500A @ 250V	-	50A @ 250V	50A @ 250V — Significantly lower interrupting rating is a safety risk.

Application & sourcing insights

Questions & answers

The Littelfuse 0218005.MXP is a functional alternative with the same 5A/250V rating, but it has a glass body and a significantly lower breaking capacity. This makes it a high-risk substitute that requires careful circuit analysis.