Littelfuse 0318007.MXP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0318007.MXP is a 7 A, 250 V AC/DC fast-blow glass cartridge fuse designed for through-hole mounting in 3AB and 3AG package configurations. This component is classified as Active product status and maintains full compliance with international safety standards including CE, CSA, KC, PSE, and UL certifications. Identifying equivalent substitute parts becomes necessary when managing inventory constraints, ensuring supply chain continuity, or addressing component availability across different procurement channels while maintaining identical electrical and mechanical performance.

Substiute Parts

0318007.MXP

Littelfuse Inc.In Stock: 11390318007.MXP Datasheet

Current PartRFQ

0318007.HXP

Littelfuse Inc.In Stock: 10640318007.HXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Littelfuse 0318007.MXP are determined by strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on matching the following key criteria:

• Current Rating: 7 A
• Voltage Rating (AC): 250 V
• Response Time: Fast Blow
• Fuse Type: Cartridge, Glass
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (Axial)
• Breaking Capacity @ Rated Voltage: 200 A
• Melting I²t: 118
• Operating Temperature Range: -55°C ~ 125°C
• DC Cold Resistance: 0.0146 Ohms
• Mounting Type: Through Hole

Only components matching all specified parameters across electrical performance, thermal characteristics, and physical dimensions qualify as direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both the Littelfuse 0318007.MXP and 0318007.HXP are Active product status components manufactured by Littelfuse Inc. with identical electrical specifications, thermal operating ranges, and mechanical dimensions. Both components carry full compliance with CE, CSA, KC, PSE, and UL certifications, confirming suitability for equivalent circuit protection applications. Selection between these parts may be based on inventory availability, procurement lead times, or supply chain logistics, as all technical parameters and safety certifications are identical.

Frequently Asked Questions (FAQ)

Q: Can the 0318007.HXP be used as a direct replacement for the 0318007.MXP?

A: Yes. Both components are identical in current rating (7 A), voltage rating (250 V AC), response time (Fast Blow), package configuration (3AB, 3AG), breaking capacity (200 A), melting I²t (118), operating temperature range (-55°C ~ 125°C), and DC cold resistance (0.0146 Ohms). All safety certifications and compliance standards are equivalent.

Q: Are there any mechanical compatibility concerns when substituting these parts?

A: No. Both components share identical physical dimensions (0.275" Dia x 1.288" L / 6.99mm x 32.72mm) and mounting type (Through Hole), ensuring direct mechanical compatibility in existing circuit board layouts and fuse holders.

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

A: Yes. Both the 0318007.MXP and 0318007.HXP carry identical approval certifications: CE, CSA, KC, PSE, and UL. Both are ROHS3 Compliant and REACH Unaffected, meeting the same environmental and safety requirements.

Q: What is the difference between the MXP and HXP packaging designations?

A: The MXP and HXP designations refer to different packaging formats from Littelfuse Inc., but both components are supplied in Bulk packaging. The electrical and mechanical specifications remain identical regardless of packaging designation.

Q: Can these fuses be used in both AC and DC circuits?

A: Yes. Both components are rated for 250 V AC/DC operation, confirming suitability for alternating current and direct current applications within the specified voltage and current parameters.