Littelfuse 0224003.VXP Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0224003.VXP is a 3 A, 250 V AC / 125 V DC fast-blow glass cartridge fuse in 2AG package format (5mm x 15mm axial). This component is classified as Active product status and is designed for through-hole mounting in electronic circuits requiring overcurrent protection. Substitute parts are identified when inventory availability, lead time, or supply chain considerations necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.

Substiute Parts

0224003.VXP

Littelfuse Inc.In Stock: 10800224003.VXP Datasheet

Current PartRFQ

0224003.HXP

Littelfuse Inc.In Stock: 36860224003.HXP Datasheet

Parametric EquivalentRFQ

0224003.MXP

Littelfuse Inc.In Stock: 18090224003.MXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 0224003.VXP are determined by strict parametric equivalence across all electrical and mechanical specifications. The following criteria establish substitution validity:

Electrical Parameters (Non-Negotiable):

• Current Rating: 3 A
• Voltage Rating AC: 250 V
• Voltage Rating DC: 125 V
• Response Time: Fast Blow
• Breaking Capacity: 100 A AC, 10 kA DC
• Melting I²t: 4.62

Mechanical Parameters (Non-Negotiable):

• Package / Case: 2AG, 5mm x 15mm (Axial)
• Mounting Type: Through Hole
• DC Cold Resistance: 0.0317 Ohms

Compliance Parameters:

• Approval Agencies: CE, CSA, PSE, UL
• RoHS Status: ROHS3 Compliant

All substitute parts listed maintain identical values across these parameters, ensuring direct functional and physical interchangeability.

Parameter Comparison

Engineering Selection Recommendations

All three parts—0224003.VXP, 0224003.HXP, and 0224003.MXP—are classified as Active product status and carry identical electrical, mechanical, and compliance certifications. Selection between these parts is based on availability and supply chain factors rather than technical performance differences.

The 0224003.HXP variant offers the highest inventory availability at 3,651 pieces in stock. The 0224003.MXP provides intermediate availability at 1,785 pieces. The primary part 0224003.VXP maintains 1,008 pieces in stock.

All three parts meet CE, CSA, PSE, and UL approval requirements and are ROHS3 compliant, ensuring regulatory compliance across global markets.

Frequently Asked Questions (FAQ)

Q: Can 0224003.HXP or 0224003.MXP be used as direct replacements for 0224003.VXP?

A: Yes. All three parts are parametrically identical across current rating, voltage ratings, response time, package format, breaking capacity, and thermal specifications. Physical and electrical interchangeability is complete.

Q: What distinguishes these three part numbers if they are electrically identical?

A: The part number suffixes (.VXP, .HXP, .MXP) indicate different packaging or distribution variants within the Littelfuse 224 series. Electrical and mechanical specifications remain unchanged across all variants.

Q: Are there any compliance or certification differences between these parts?

A: No. All three parts carry identical approval certifications (CE, CSA, PSE, UL) and maintain ROHS3 compliance status.

Q: Can these parts be used in circuits rated for 250 V AC and 125 V DC?

A: Yes. All three parts are rated for 250 V AC and 125 V DC operation and are suitable for circuits within these voltage specifications.

Q: What is the physical footprint compatibility?

A: All three parts use the 2AG package format with dimensions of 5mm x 15mm (axial), 0.185" diameter x 0.570" length. They are mechanically interchangeable in through-hole mounting applications.

Q: Are there temperature operating range differences?

A: No. All three parts operate across the identical temperature range of -55°C to 125°C.