Equivalent & Substitute Parts: ABC-V-3-R Ceramic Cartridge Fuse

Part Overview

The ABC-V-3-R is a 3 A ceramic cartridge fuse manufactured by Eaton - Electronics Division, rated for 250 V AC and 125 V DC operation. This fast-blow fuse is designed for through-hole mounting in 3AB/3AG package format with dimensions of 1/4" x 1-1/4" (6.76mm x 32.82mm). The part maintains active product status with 885 units currently in stock.

Substitute parts are identified when equivalent electrical ratings, mechanical dimensions, and functional characteristics align within specified tolerances. Substitution becomes necessary when original inventory is unavailable, supply chain disruptions occur, or design flexibility is required across approved alternative manufacturers.

Substiute Parts

ABC-V-3-R

Eaton - Electronics DivisionIn Stock: 930ABC-V-3-R Datasheet

Current PartRFQ

0324003.HXP

Littelfuse Inc.In Stock: 8420324003.HXP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ABC-V-3-R is determined by strict alignment of the following parameters:

Electrical Parameters (Non-Negotiable):

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

Mechanical Parameters (Non-Negotiable):

• Fuse Type: Cartridge, Ceramic
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (Axial)
• Mounting Type: Through Hole

Compliance Parameters (Required):

• RoHS3 Compliant
• Regulatory Approvals: CSA and UL minimum

The substitute part 0324003.HXP manufactured by Littelfuse Inc. satisfies all critical electrical and mechanical parameters. Dimensional variations within manufacturing tolerance (0.275" Dia x 1.288" L versus 0.266" Dia x 1.292" L) remain within acceptable through-hole mounting specifications. Both parts carry ROHS3 compliance and maintain active product status.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: ABC-V-3-R (Eaton - Electronics Division)

The ABC-V-3-R remains the primary choice when available. It carries CSA and UL approvals, maintains ROHS3 compliance, and is actively manufactured. Current inventory of 885 units supports immediate procurement.

Approved Substitute: 0324003.HXP (Littelfuse Inc.)

The 0324003.HXP is a qualified substitute when ABC-V-3-R availability is constrained. This part meets all critical electrical specifications (3 A, 250 V AC, 125 V DC, fast-blow response, 100A AC / 10kA DC breaking capacity) and mechanical requirements (3AB/3AG cartridge, through-hole mounting).

Littelfuse 0324003.HXP carries expanded regulatory approvals (CE, CSA, K-MARK, PSE, UL) beyond the minimum requirement, providing broader geographic compliance. ROHS3 compliance is confirmed. Dimensional variation (0.275" Dia x 1.288" L) falls within standard manufacturing tolerance for 3AB/3AG cartridge fuses and maintains compatibility with through-hole mounting footprints. Current inventory of 786 units supports availability.

Both parts are classified under ECCN EAR99 and HTSUS 8536.10.0040, confirming equivalent trade classification.

Frequently Asked Questions (FAQ)

Q: Can 0324003.HXP be used as a direct replacement for ABC-V-3-R in existing designs?

A: Yes. Both parts share identical electrical ratings (3 A, 250 V AC, 125 V DC), fuse type (ceramic cartridge), response time (fast-blow), and mechanical package (3AB/3AG, 1/4" x 1-1/4"). Dimensional tolerances are within acceptable ranges for through-hole mounting. No circuit redesign is required.

Q: Are there regulatory compliance differences between these parts?

A: Both parts carry CSA and UL approvals and maintain ROHS3 compliance. The 0324003.HXP includes additional certifications (CE, K-MARK, PSE) that extend geographic applicability. For applications requiring only CSA and UL, both parts are equivalent.

Q: What is the significance of the different Melting I²t values (6.55 vs. 14.6)?

A: Melting I²t is a thermal characteristic that reflects the energy required to melt the fuse element. The difference indicates different internal element designs while maintaining identical fast-blow response time and current rating. Both parts meet the 3 A fast-blow specification and are functionally equivalent for circuit protection.

Q: Do dimensional differences affect PCB layout or mounting?

A: Dimensional variations (0.266" Dia vs. 0.275" Dia; 1.292" L vs. 1.288" L) are within standard manufacturing tolerance for 3AB/3AG cartridge fuses. Both parts fit standard through-hole footprints without layout modification.

Q: Which part should be selected for new designs?

A: Either part is acceptable for new designs. Selection may be based on supplier availability, lead time, cost, or geographic compliance requirements. Both maintain active product status and equivalent technical specifications.