Equivalent & Substitute Parts for ABC-V-7-R Ceramic Cartridge Fuse

Part Overview

The ABC-V-7-R is a 7 A ceramic cartridge fuse manufactured by Eaton - Electronics Division, rated for 250 V AC and 125 V DC operation. This component is classified as a fast-blow fuse in the 3AB/3AG package format with axial through-hole mounting. The part maintains active product status with 1018 units currently in stock. Substitute parts are identified to address inventory availability, extended lead times, or specific application requirements where electrical and mechanical parameters remain compatible.

Substiute Parts

ABC-V-7-R

Eaton - Electronics DivisionIn Stock: 1075ABC-V-7-R Datasheet

Current PartRFQ

0324007.HXP

Littelfuse Inc.In Stock: 10230324007.HXP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ABC-V-7-R is determined by strict equivalence across the following critical parameters:

Mandatory Match Criteria:

• Current Rating: 7 A (exact match required)
• Voltage Rating - AC: 250 V (exact match required)
• Voltage Rating - DC: 125 V (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Fast Blow (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (Axial) (exact match required)
• Mounting Type: Through Hole (exact match required)

Acceptable Variation Parameters:

• Breaking Capacity: May exceed rated value
• Melting I²t: May vary within ceramic fuse technology tolerances
• Approval Agencies: May include additional certifications beyond minimum requirement
• Operating Temperature Range: May be wider than specified
• DC Cold Resistance: Minor variations acceptable within ceramic cartridge fuse specifications
• Physical Dimensions: Minor tolerance variations acceptable within package standard

The substitute part 0324007.HXP from Littelfuse Inc. satisfies all mandatory match criteria and is therefore classified as a direct electrical and mechanical equivalent.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (ABC-V-7-R): The Eaton ABC-V-7-R remains the specified component with active product status and adequate inventory (1018 units). This part carries CSA and UL certifications and is suitable for applications requiring these specific approvals.

Substitute Selection (0324007.HXP): The Littelfuse 0324007.HXP is a direct electrical and mechanical equivalent meeting all mandatory substitution criteria. This part is appropriate for:

• Applications where Littelfuse certification is acceptable or preferred
• Situations requiring extended operating temperature specification (-55°C ~ 125°C)
• Scenarios where higher AC breaking capacity (750 A vs. 200 A) provides additional safety margin
• Inventory supplementation with 961 units currently available

Both parts are ROHS3 compliant and carry the required CSA and UL certifications. Selection between these parts depends on supply chain requirements, certification preferences, and application-specific environmental conditions rather than electrical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the 0324007.HXP substitute for ABC-V-7-R in any application?

A: The 0324007.HXP is a direct substitute for applications where the ABC-V-7-R is specified, provided that Littelfuse certification is acceptable. Both parts meet identical electrical ratings (7 A, 250 V AC, 125 V DC) and mechanical specifications (3AB/3AG package, through-hole mounting, fast-blow response).

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (Eaton vs. Littelfuse), additional certifications on the substitute (CE, K-MARK, PSE), higher AC breaking capacity (750 A vs. 200 A), and specified operating temperature range (-55°C ~ 125°C on substitute). These differences do not affect electrical compatibility.

Q: Are the physical dimensions identical?

A: Dimensions are within 3AB/3AG package tolerance. The ABC-V-7-R measures 0.266" Dia x 1.292" L, while the 0324007.HXP measures 0.275" Dia x 1.288" L. Both fit standard 3AB/3AG fuse holders without modification.

Q: Does the lower melting I²t value on the substitute affect performance?

A: The melting I²t variation (71 vs. 109.33) reflects different ceramic fuse construction between manufacturers but does not affect the 7 A current rating or fast-blow response time. Both parts provide equivalent circuit protection at the specified current threshold.

Q: Which certifications does each part carry?

A: ABC-V-7-R carries CSA and UL certifications. The 0324007.HXP carries CE, CSA, K-MARK, PSE, and UL certifications. For applications requiring specific regional approvals, verify that the selected part includes the necessary certification.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, these parts are mechanically and electrically interchangeable. The through-hole mounting, 3AB/3AG package format, and identical electrical ratings ensure direct substitution in existing PCB layouts and fuse holders without design modification.