Littelfuse 2205.250MXP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 2205.250MXP is a 250 mA, 250 V AC/DC slow-blow glass cartridge fuse in 2AG package format (5mm x 15mm). This fuse is designed for circuit protection in applications requiring moderate current limiting with delayed response characteristics. The part is actively manufactured and stocked, with full compliance to RoHS3 and international safety standards. Substitute parts may be required due to inventory constraints, supply chain disruptions, or specific procurement preferences while maintaining identical electrical and mechanical performance.

Substiute Parts

2205.250MXP

Littelfuse Inc.In Stock: 8232205.250MXP Datasheet

Current PartRFQ

2205.250HXP

Littelfuse Inc.In Stock: 12992205.250HXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Littelfuse 2205.250HXP qualifies as a parametric equivalent to the 2205.250MXP based on strict alignment of the following critical substitution parameters:

• Current Rating: 250 mA (identical)
• Voltage Rating (AC): 250 V (identical)
• Response Time: Slow Blow (identical)
• Package / Case: 2AG, 5mm x 15mm (identical)
• Fuse Type: Cartridge, Glass (identical)
• Breaking Capacity @ Rated Voltage: 60A (identical)
• Melting I²t: 0.216 (identical)
• Operating Temperature Range: -55°C ~ 125°C (identical)
• DC Cold Resistance: 2.43 Ohms (identical)

Both parts are manufactured by Littelfuse Inc., share the same series designation (2205), maintain active product status, and carry identical regulatory certifications (CSA, UL, RoHS3 Compliant, REACH Unaffected).

Parameter Comparison

Engineering Selection Recommendations

Both the 2205.250MXP and 2205.250HXP are active, production-grade components manufactured by Littelfuse Inc. with identical electrical specifications and mechanical form factors. Selection between these parts should be based on availability and procurement lead times. Both parts maintain full compliance with CSA and UL safety certifications, RoHS3 environmental directives, and REACH regulatory requirements. The interchangeability is complete at the circuit design and assembly levels, with no design modifications required for substitution.

Frequently Asked Questions (FAQ)

Q: Can the 2205.250HXP be used as a direct replacement for the 2205.250MXP in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including current rating, voltage rating, response time, package dimensions, and thermal characteristics. No circuit modifications are required.

Q: Are there any differences in the 2AG package dimensions between these two parts?

A: No. Both parts use the identical 2AG package format with dimensions of 5mm x 15mm (0.185" Dia x 0.570" L). They are mechanically interchangeable in standard 2AG fuse holders.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both the 2205.250MXP and 2205.250HXP carry identical certifications: CSA, UL, RoHS3 Compliant, and REACH Unaffected status. They are suitable for applications with identical regulatory requirements.

Q: What is the significance of the slow-blow response time for these fuses?

A: The slow-blow characteristic allows these fuses to tolerate temporary inrush currents without nuisance tripping, while still providing protection against sustained overcurrent conditions. Both parts share this identical response profile.

Q: Are there inventory or lead-time considerations when selecting between these parts?

A: The 2205.250MXP has 789 pieces in stock, while the 2205.250HXP has 1252 pieces in stock. Selection may be influenced by immediate availability requirements and procurement timelines.