Equivalent & Substitute Parts: BK/ABC-V-7-R

Part Overview

The BK/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 fast-blow fuse is designed for through-hole mounting in 3AB/3AG package format with dimensions of 1/4" x 1-1/4" (6.76 mm x 32.82 mm). The part maintains active product status with 1134 units in current inventory.

Substitute parts are identified when electrical and mechanical parameters align within the allowed specifications for this fuse category, enabling direct functional replacement in circuit protection applications.

Substiute Parts

BK/ABC-V-7-R

Eaton - Electronics DivisionIn Stock: 1233BK/ABC-V-7-R Datasheet

Current PartRFQ

0324007.HXP

Littelfuse Inc.In Stock: 10230324007.HXP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BK/ABC-V-7-R are identified based on strict alignment of the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Current Rating: 7 A
• Voltage Rating AC: 250 V
• Voltage Rating DC: 125 V
• Response Time: Fast Blow

Mechanical Parameters (Must Match Exactly):

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

Compliance Parameters (Must Maintain or Exceed):

• Approval Agency certifications (CSA, UL minimum)
• RoHS3 Compliance

The substitute part 0324007.HXP from Littelfuse Inc. satisfies all critical electrical and mechanical parameters, enabling direct replacement in applications requiring the BK/ABC-V-7-R specification.

Parameter Comparison

Engineering Selection Recommendations

Primary Part: BK/ABC-V-7-R

The BK/ABC-V-7-R remains the specified component when Eaton sourcing is required or when the original design validation is tied to this manufacturer. Current inventory of 1134 units supports immediate availability. CSA and UL certifications confirm regulatory compliance for North American applications.

Substitute Part: 0324007.HXP

The 0324007.HXP from Littelfuse Inc. is electrically and mechanically equivalent for direct replacement. This substitute maintains all critical electrical parameters (7 A, 250 V AC, 125 V DC, Fast Blow) and package specifications (3AB/3AG, 1/4" x 1-1/4" through-hole). The substitute provides enhanced breaking capacity (750 A AC versus 200 A AC) and broader regulatory certifications (CE, CSA, K-MARK, PSE, UL). Current inventory of 961 units supports availability. Both parts maintain ROHS3 compliance and active product status.

Selection between these parts depends on manufacturer preference, supply chain requirements, and inventory availability rather than functional performance differences.

Frequently Asked Questions (FAQ)

Q: Can 0324007.HXP directly replace BK/ABC-V-7-R in existing designs?

A: Yes. Both parts share identical electrical ratings (7 A, 250 V AC, 125 V DC, Fast Blow response) and mechanical specifications (3AB/3AG package, 1/4" x 1-1/4" dimensions, through-hole mounting). Physical dimensions are nominally equivalent, enabling socket-level replacement.

Q: What is the significance of the different breaking capacities?

A: The 0324007.HXP provides 750 A AC breaking capacity compared to 200 A AC for the BK/ABC-V-7-R. Both meet the 10 kA DC breaking capacity requirement. The higher AC breaking capacity in the substitute represents enhanced performance margin and does not affect compatibility in applications designed for the original part.

Q: Are there regulatory compliance differences?

A: The BK/ABC-V-7-R carries CSA and UL certifications. The 0324007.HXP carries CE, CSA, K-MARK, PSE, and UL certifications. Both meet minimum North American requirements (CSA, UL). The substitute provides additional international compliance certifications.

Q: How do the melting I²t values differ?

A: The BK/ABC-V-7-R has a melting I²t of 109.33, while the 0324007.HXP has 71. Both values are provided specifications for these fast-blow ceramic cartridge fuses. The difference reflects manufacturer-specific thermal characteristics within the same 7 A fast-blow classification.

Q: Are the physical dimensions identical?

A: Dimensions are nominally equivalent. BK/ABC-V-7-R measures 0.266" diameter x 1.292" length (6.76 mm x 32.82 mm). The 0324007.HXP measures 0.275" diameter x 1.288" length (6.99 mm x 32.72 mm). Both conform to 3AB/3AG package specifications and fit standard through-hole fuse holders designed for 1/4" x 1-1/4" cartridge fuses.

Q: What is the DC cold resistance difference?

A: The BK/ABC-V-7-R has 0.016 Ohms DC cold resistance; the 0324007.HXP has 0.0187 Ohms. This minor difference reflects manufacturing variations between manufacturers and does not affect circuit protection function in standard applications.

Q: Which part should be selected for new designs?

A: Selection depends on supply chain strategy and manufacturer preference. Both parts are active products with current inventory. The 0324007.HXP offers broader international certifications and higher breaking capacity. The BK/ABC-V-7-R maintains the original design specification. Either part satisfies the electrical and mechanical requirements for 7 A ceramic cartridge fuse applications at 250 V AC / 125 V DC.