Littelfuse 023004.6MXSP Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 023004.6MXSP is a 4.6 A, 250 V AC / 125 V DC glass cartridge fuse with slow-blow response characteristics. This through-hole mounted component is designed for circuit protection in applications requiring non-standard axial cartridge form factors. The part maintains active product status with full regulatory compliance across CE, CSA, PSE, and UL certifications. Substitute parts are identified based on identical electrical ratings, mechanical dimensions, and performance specifications to ensure direct functional equivalence in circuit protection applications.

Substiute Parts

023003.5MXSP

Littelfuse Inc.In Stock: 840023003.5MXSP Datasheet

Current PartRFQ

023003.5HXP

Littelfuse Inc.In Stock: 1158023003.5HXP Datasheet

Parametric EquivalentRFQ

023003.5MXP

Littelfuse Inc.In Stock: 4722023003.5MXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 023004.6MXSP are identified as parametric equivalents within the Littelfuse 230 series. Substitution is valid when all of the following criteria are met:

• Current Rating: 4.6 A
• Voltage Rating (AC): 250 V
• Voltage Rating (DC): 125 V
• Fuse Type: Cartridge, Glass
• Response Time: Slow Blow
• Package / Case: Cartridge, Non-Standard (Axial)
• Mounting Type: Through Hole
• Size / Dimension: 0.177" Dia x 0.571" L (4.50 mm x 14.50 mm)
• Breaking Capacity @ Rated Voltage: 100 A AC, 10 kA DC
• Melting I²t: 110
• Operating Temperature Range: -55°C ~ 125°C
• Approval Agencies: CE, CSA, PSE, UL
• RoHS Status: ROHS3 Compliant

The substitute parts 023004.6HXP and 023004.6MXP meet all specified parameters and are direct functional equivalents for circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

All three parts—023004.6MXSP, 023004.6HXP, and 023004.6MXP—are active products within the Littelfuse 230 series and carry identical electrical and mechanical specifications. Selection among these equivalents may be based on inventory availability and lead time considerations. All parts maintain full compliance with CE, CSA, PSE, and UL certifications, and all are ROHS3 compliant. The parts are suitable for direct substitution in through-hole circuit protection applications requiring 4.6 A protection at 250 V AC / 125 V DC with slow-blow response characteristics.

Frequently Asked Questions (FAQ)

Q: Can 023004.6HXP or 023004.6MXP be used as direct replacements for 023004.6MXSP?

A: Yes. Both parts are parametric equivalents with identical current ratings, voltage ratings, fuse type, response time, package dimensions, breaking capacity, and thermal characteristics. Direct substitution is valid for circuit protection applications.

Q: Are there any differences in mechanical fit between these three part numbers?

A: No. All three parts share identical dimensions of 0.177" diameter by 0.571" length (4.50 mm x 14.50 mm) and use the same non-standard axial cartridge package. They are mechanically interchangeable in through-hole mounting applications.

Q: Do all substitute parts carry the same regulatory certifications?

A: Yes. The 023004.6MXSP, 023004.6HXP, and 023004.6MXP all carry CE, CSA, PSE, and UL approvals and are ROHS3 compliant. Regulatory compliance is identical across all three parts.

Q: What is the basis for substitution between these parts?

A: Substitution is based on matching all electrical parameters (current rating, AC/DC voltage ratings, response time, breaking capacity, melting I²t), mechanical specifications (package type, dimensions, mounting method), thermal operating range, and regulatory certifications. All three parts meet these criteria.

Q: Can these fuses be used in applications outside the -55°C to 125°C temperature range?

A: No. All three parts are rated for operation within -55°C to 125°C. Use outside this range is not supported by the component specifications.