Littelfuse 0230004.VXSP Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0230004.VXSP is a 4A 125VAC/VDC glass cartridge fuse with axial through-hole mounting. This slow-blow fuse is designed for circuit protection in applications requiring reliable overcurrent interruption at rated voltage levels. The part maintains Active product status with full compliance to international safety standards including CE, CSA, PSE, and UL certifications. Substitute parts are identified based on identical electrical ratings, mechanical dimensions, and performance characteristics to ensure direct functional replacement without circuit redesign.

Substiute Parts

0230004.VXSP

Littelfuse Inc.In Stock: 9120230004.VXSP Datasheet

Current PartRFQ

0230004.HXP

Littelfuse Inc.In Stock: 9690230004.HXP Datasheet

Parametric EquivalentRFQ

0230004.MXP

Littelfuse Inc.In Stock: 40410230004.MXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Littelfuse 0230004.VXSP are identified as parametric equivalents based on the following critical parameters that determine functional interchangeability:

• Current Rating: 4 A
• Voltage Rating: 125 V AC / 125 V DC
• Fuse Type: Cartridge, Glass
• Response Time: Slow Blow
• Mounting Type: Through Hole
• Physical Dimensions: 0.177" Dia x 0.571" L (4.50mm x 14.50mm)
• Breaking Capacity: 400A
• Melting I²t: 148
• DC Cold Resistance: 0.0258 Ohms
• Operating Temperature Range: -55°C ~ 125°C
• Approval Agencies: CE, CSA, PSE, UL

All substitute parts listed maintain identical electrical performance characteristics, mechanical compatibility, and regulatory compliance certifications. Substitution is valid for direct replacement in existing circuit designs without modification.

Parameter Comparison

Engineering Selection Recommendations

All three parts—0230004.VXSP, 0230004.HXP, and 0230004.MXP—are functionally equivalent for direct substitution. Selection among these parts may be based on inventory availability and supply chain considerations:

• 0230004.VXSP: 847 Pcs in stock
• 0230004.HXP: 959 Pcs in stock
• 0230004.MXP: 4013 Pcs in stock

All parts maintain Active product status and carry identical regulatory certifications (CE, CSA, PSE, UL) with ROHS3 compliance and REACH unaffected status. No electrical or mechanical redesign is required when substituting between these parts.

Frequently Asked Questions (FAQ)

Q: Can 0230004.HXP or 0230004.MXP be used as direct replacements for 0230004.VXSP?

A: Yes. All three parts are parametric equivalents with identical current ratings (4A), voltage ratings (125V AC/DC), fuse type (glass cartridge), response time (slow blow), physical dimensions (0.177" Dia x 0.571" L), and regulatory certifications. Direct substitution is valid without circuit modification.

Q: Are there any differences in performance characteristics between these substitute parts?

A: No. The parts share identical electrical performance parameters including breaking capacity (400A), melting I²t (148), DC cold resistance (0.0258 Ohms), and operating temperature range (-55°C ~ 125°C).

Q: Do all substitute parts meet the same regulatory standards?

A: Yes. All parts carry CE, CSA, PSE, and UL certifications with ROHS3 compliance and REACH unaffected status.

Q: What determines whether a fuse can substitute for the 0230004.VXSP?

A: Substitution requires matching current rating, voltage rating, fuse type, response time, physical dimensions, breaking capacity, and melting I²t characteristics. All listed parts meet these criteria.

Q: Are there packaging or mounting differences between these parts?

A: No. All parts use identical through-hole mounting with non-standard axial cartridge packaging and the same physical dimensions.