Equivalent & Substitute Parts for ABC-25-R Ceramic Cartridge Fuse

Part Overview

The ABC-25-R is a 25 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 use with 3AB and 3AG fuse holders and requires an external holder for installation. The part is currently active in production with 1027 pieces in stock.

Substitute parts are necessary when the primary part number becomes unavailable, when alternative manufacturers are preferred for supply chain diversification, or when equivalent performance specifications are required across different product series.

Substiute Parts

ABC-25-R

Eaton - Electronics DivisionIn Stock: 1092ABC-25-R Datasheet

Current PartRFQ

BK/ABC-25-R

Eaton - Electronics DivisionIn Stock: 1448BK/ABC-25-R Datasheet

DirectRFQ

BK/GBB-25-R

Eaton - Electronics DivisionIn Stock: 893BK/GBB-25-R Datasheet

Parametric EquivalentRFQ

0314025.MXP

Littelfuse Inc.In Stock: 21350314025.MXP Datasheet

DirectRFQ

0314025.HXP

Littelfuse Inc.In Stock: 14300314025.HXP Datasheet

Parametric EquivalentRFQ

0314025.MX52LP

LittelfuseIn Stock: 16400314025.MX52LP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ABC-25-R is determined by the following critical parameters:

Mandatory Matching Parameters:

• Current Rating: 25 A
• Voltage Rating - AC: 250 V
• Voltage Rating - DC: 125 V
• Fuse Type: Cartridge, Ceramic
• Response Time: Fast Blow
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4"
• Size / Dimension: 0.250" Dia x 1.250" L (6.35mm x 31.75mm)
• Mounting Type: Requires Holder

All substitute parts listed meet these mandatory parameters. Variations in secondary parameters such as breaking capacity, melting I²t, DC cold resistance, and approval agencies do not disqualify substitution when the primary electrical and mechanical specifications are identical.

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Equivalent - BK/ABC-25-R: The BK/ABC-25-R is a direct equivalent from Eaton - Electronics Division with identical electrical specifications, breaking capacity, and melting I²t characteristics. This part carries the same CSA and UL approvals as the primary ABC-25-R. Selection of this part is appropriate when maintaining the same manufacturer series is preferred. Current inventory is 1352 pieces.

Parametric Equivalent - BK/GBB-25-R: The BK/GBB-25-R is a parametric equivalent from Eaton - Electronics Division belonging to the GBB series. All critical electrical and mechanical parameters match the ABC-25-R. This part carries CSA and UR approvals. The breaking capacity specification differs at 200A AC (versus 200A AC, 400A DC for the primary part). Current inventory is 854 pieces.

Cross-Manufacturer Equivalents - Littelfuse Series 314: The 0314025.MXP, 0314025.HXP, and 0314025.MX52LP are parametric equivalents manufactured by Littelfuse Inc. All three parts meet the mandatory electrical and mechanical specifications. These parts carry expanded approvals including CE, K-MARK, PSE, and UL certifications. Operating temperature range is specified as -55°C to 125°C. The melting I²t value is 1450 compared to 839.3 for the Eaton parts. Current inventory levels are 2046, 1405, and 1561 pieces respectively.

All substitute parts are ROHS3 compliant and carry active product status.

Frequently Asked Questions (FAQ)

Q: Can BK/ABC-25-R be used as a direct replacement for ABC-25-R?

A: Yes. The BK/ABC-25-R is a direct manufacturer equivalent with identical current rating (25 A), voltage ratings (250 V AC, 125 V DC), fuse type (cartridge ceramic), response time (fast blow), package specification (3AB, 3AG, 1/4" x 1-1/4"), and physical dimensions (0.250" Dia x 1.250" L). Both parts carry CSA and UL approvals and are ROHS3 compliant.

Q: What is the difference between the Eaton ABC series and the Littelfuse 314 series substitutes?

A: Both series meet all mandatory electrical and mechanical parameters. The primary differences are: (1) Littelfuse parts specify an operating temperature range of -55°C to 125°C, while Eaton parts do not specify operating temperature; (2) Littelfuse parts have a melting I²t of 1450 compared to 839.3 for Eaton parts; (3) Littelfuse parts carry additional certifications (CE, K-MARK, PSE) beyond the CSA and UL approvals on Eaton parts; (4) DC cold resistance values differ slightly between manufacturers.

Q: Are the Littelfuse 0314025.MXP, 0314025.HXP, and 0314025.MX52LP interchangeable?

A: Yes. All three Littelfuse parts are parametric equivalents with identical current rating, voltage ratings, fuse type, response time, package specification, and physical dimensions. The 0314025.MX52LP is specified as axial in package orientation, while the other two do not specify orientation. All three carry the same approvals and operating temperature range.

Q: What holder types are compatible with these fuses?

A: All listed parts require an external fuse holder and are compatible with 3AB and 3AG fuse holder types. The physical dimensions of 0.250" diameter by 1.250" length (6.35mm x 31.75mm) are consistent across all substitute parts.

Q: Do all substitute parts have the same breaking capacity?

A: No. The ABC-25-R and BK/ABC-25-R specify 200A AC and 400A DC breaking capacity. The BK/GBB-25-R specifies 200A AC breaking capacity only. The Littelfuse parts (0314025.MXP, 0314025.HXP, 0314025.MX52LP) specify 100A AC and 400A DC breaking capacity. Breaking capacity differences do not affect substitution eligibility when all primary electrical and mechanical parameters match.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant. All parts are also REACH unaffected.

Q: What is the inventory status for each substitute part?

A: Current inventory levels are: ABC-25-R (1027 pieces), BK/ABC-25-R (1352 pieces), BK/GBB-25-R (854 pieces), 0314025.MXP (2046 pieces), 0314025.HXP (1405 pieces), and 0314025.MX52LP (1561 pieces).