BK/MDQ-V-3 Equivalent & Substitute Parts

Part Overview

The BK/MDQ-V-3 is a 3 A, 250 V AC/DC slow-blow glass cartridge fuse with 3AB/3AG package configuration and through-hole mounting. Manufactured by Eaton - Electronics Division, this component is classified as Active product status. The fuse is designed for circuit protection applications requiring slow-blow response characteristics and is approved by CSA and UL agencies.

Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require component alternatives that maintain identical electrical and mechanical specifications.

Substiute Parts

BK/MDQ-V-3

Eaton - Electronics DivisionIn Stock: 984BK/MDQ-V-3 Datasheet

Current PartRFQ

BK/MDL-V-3-R

Eaton - Electronics DivisionIn Stock: 906BK/MDL-V-3-R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BK/MDQ-V-3 is determined by strict equivalence across the following critical parameters:

• Current Rating: 3 A (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Response Time: Slow Blow (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (Axial) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Breaking Capacity @ Rated Voltage: 100 A (exact match required)
• Physical Dimensions: 0.266" Dia x 1.292" L (exact match required)

The substitute part BK/MDL-V-3-R meets all critical electrical and mechanical parameters. Both parts are manufactured by Eaton - Electronics Division and share identical functional specifications for circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

Both the BK/MDQ-V-3 and BK/MDL-V-3-R are Active product status components suitable for direct substitution in circuit protection applications. The BK/MDL-V-3-R offers expanded regulatory compliance with CE certification in addition to CSA and UL approvals. The BK/MDL-V-3-R is RoHS Compliant, whereas the BK/MDQ-V-3 is RoHS non-compliant. Selection between these parts should be based on specific regulatory requirements of the end application and RoHS compliance mandates.

Frequently Asked Questions (FAQ)

Q: Can BK/MDL-V-3-R be used as a direct replacement for BK/MDQ-V-3?

A: Yes. Both parts share identical electrical ratings (3 A, 250 V AC/DC), response time (Slow Blow), fuse type (Cartridge, Glass), package configuration (3AB, 3AG), and physical dimensions (0.266" Dia x 1.292" L). They are mechanically and electrically interchangeable in through-hole mounting applications.

Q: What are the key differences between these two part numbers?

A: The primary differences are regulatory compliance and RoHS status. BK/MDL-V-3-R includes CE certification and is RoHS Compliant, while BK/MDQ-V-3 carries CSA and UL approvals only and is RoHS non-compliant. DC Cold Resistance values are nominally equivalent (0.05715 Ohms vs. 0.057 Ohms).

Q: Are the physical dimensions identical?

A: Yes. Both parts have identical dimensions of 0.266" Dia x 1.292" L (6.76mm x 32.82mm) and use the same 3AB, 3AG package configuration, ensuring compatibility with existing through-hole footprints.

Q: Which part should be selected for new designs?

A: Selection depends on regulatory requirements. For applications requiring RoHS compliance or CE certification, BK/MDL-V-3-R is the appropriate choice. For applications with CSA/UL requirements only, either part is suitable.

Q: Are both parts currently in stock?

A: Yes. BK/MDQ-V-3 has 896 pieces in stock, and BK/MDL-V-3-R has 874 pieces in stock as new original inventory.