Equivalent & Substitute Parts for BK/MDA-1/16-R

Part Overview

The Eaton BK/MDA-1/16-R is a ceramic cartridge fuse rated at 63 mA, 250 V AC/DC with slow-blow response characteristics. This component is classified as obsolete, necessitating identification of active equivalent alternatives for continued system support and procurement. The fuse requires a 3AB or 3AG holder and is housed in a 1/4" x 1-1/4" form factor. Substitute parts must maintain electrical and mechanical compatibility while offering active product status and current availability.

Substiute Parts

BK/MDA-1/16-R

Eaton - Electronics DivisionIn Stock: 683BK/MDA-1/16-R Datasheet

Current PartRFQ

0326.062HXP

LittelfuseIn Stock: 9970326.062HXP Datasheet

SimilarRFQ

0326.062MXP

Littelfuse Inc.In Stock: 11480326.062MXP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for ceramic cartridge fuses is determined by strict alignment of the following parameters:

Critical Compatibility Parameters:

• Fuse type classification (Cartridge, Ceramic)
• Current rating tolerance (±1 mA acceptable within standard fuse rating bands)
• Voltage rating (250 V AC/DC minimum)
• Response time characteristic (Slow Blow)
• Physical package dimensions (0.250" Dia x 1.250" L)
• Holder compatibility (3AB, 3AG standard)

The substitute parts 0326.062HXP and 0326.062MXP, both manufactured by Littelfuse, satisfy these criteria with a 62 mA current rating. This 1 mA variance from the original 63 mA specification falls within standard fuse rating tolerances and maintains functional equivalence in circuit protection applications. Both substitutes retain identical voltage ratings, response characteristics, physical dimensions, and holder compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both Littelfuse substitutes (0326.062HXP and 0326.062MXP) are qualified replacements for the obsolete Eaton BK/MDA-1/16-R fuse. Selection between the two Littelfuse alternatives is based on packaging and inventory requirements, as both parts are electrically and mechanically identical.

0326.062HXP and 0326.062MXP Selection Basis:

• Active product status ensures long-term availability and supply chain continuity
• CE approval certification provides regulatory compliance documentation
• ROHS3 compliance aligns with environmental and manufacturing standards
• Specified operating temperature range (-55°C ~ 125°C) and breaking capacity (100 A) provide documented performance parameters
• 62 mA current rating maintains functional equivalence within standard fuse rating tolerances
• Identical physical dimensions and holder compatibility ensure direct mechanical substitution

The choice between 0326.062HXP and 0326.062MXP depends on packaging format preference and inventory availability, as both parts are electrically and mechanically equivalent.

Frequently Asked Questions (FAQ)

Q: Can the 62 mA Littelfuse fuses replace the 63 mA Eaton fuse?

A: Yes. The 1 mA difference falls within standard fuse rating tolerances. Both current ratings operate within the same fuse rating band and provide equivalent circuit protection characteristics.

Q: Are the physical dimensions identical between the main part and substitutes?

A: Yes. All three fuses share identical dimensions of 0.250" Dia x 1.250" L (6.35mm x 31.75mm) and are compatible with 3AB and 3AG holders.

Q: What is the difference between 0326.062HXP and 0326.062MXP?

A: Both parts are electrically and mechanically identical. The difference lies in packaging format (both listed as Bulk). Selection should be based on inventory availability and procurement requirements.

Q: Does the obsolete status of the Eaton part affect circuit performance?

A: No. The obsolete status indicates discontinued manufacturing, not functional deficiency. The substitute parts maintain all electrical and mechanical specifications required for equivalent circuit protection.

Q: Are the Littelfuse substitutes certified for the same applications?

A: Both Littelfuse substitutes carry CE approval certification. The original Eaton part did not specify approval agency documentation. The Littelfuse parts provide documented regulatory compliance.

Q: What holder types are compatible with these fuses?

A: All three fuses require 3AB or 3AG standard holders. No additional holder modifications are necessary for substitution.