Equivalent & Substitute Parts for BK/HTB-42M

Part Overview

The BK/HTB-42M is a cartridge fuse holder manufactured by Eaton - Electronics Division, designed for 16 A circuits at 250V with panel mount configuration. This component accommodates 5mm x 20mm cartridge fuses and features quick connect termination. The BK/HTB-42M is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing maintenance and production requirements for systems utilizing this fuse holder.

Substiute Parts

BK/HTB-42M

Eaton - Electronics DivisionIn Stock: 1125BK/HTB-42M Datasheet

Current PartRFQ

BK/HTB-42M-R

Eaton - Electronics DivisionIn Stock: 721BK/HTB-42M-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BK/HTB-42M is determined by strict equivalence across the following parameters:

• Current Rating: 16 A (exact match required)
• Voltage Rating: 250V (exact match required)
• Fuse Size: 5mm x 20mm cartridge format (exact match required)
• Number of Circuits: 1 circuit (exact match required)
• Mounting Type: Panel Mount (exact match required)
• Termination Style: Quick Connect - 0.187" (4.7mm) (exact match required)

The substitute part BK/HTB-42M-R meets all electrical and mechanical parameters specified above. The primary distinction between the main part and its substitute is product status and compliance certification, not functional or dimensional characteristics.

Parameter Comparison

Engineering Selection Recommendations

BK/HTB-42M-R is the direct substitute for BK/HTB-42M. Both parts are manufactured by Eaton - Electronics Division and share identical electrical and mechanical specifications across all critical parameters: 16 A current rating, 250V voltage rating, 5mm x 20mm cartridge fuse accommodation, single circuit configuration, panel mount orientation, and quick connect termination.

The BK/HTB-42M-R differs from the main part in two compliance aspects: it holds Active product status compared to the Obsolete status of BK/HTB-42M, and it is ROHS3 Compliant with REACH Unaffected certification, whereas the BK/HTB-42M is RoHS non-compliant. For new designs or systems requiring regulatory compliance with current environmental standards, BK/HTB-42M-R is the appropriate selection. For legacy system maintenance where original specifications must be preserved, BK/HTB-42M remains available with current inventory of 1083 pieces.

Frequently Asked Questions (FAQ)

Q: Can BK/HTB-42M-R be used as a direct replacement for BK/HTB-42M in existing installations?

A: Yes. BK/HTB-42M-R is electrically and mechanically equivalent to BK/HTB-42M. Both accommodate 16 A circuits at 250V with 5mm x 20mm cartridge fuses, feature identical panel mount configuration, and use the same quick connect termination style. No circuit modifications or mechanical adjustments are required for substitution.

Q: What is the difference between BK/HTB-42M and BK/HTB-42M-R?

A: The parts are functionally identical. BK/HTB-42M-R is the active production variant with ROHS3 compliance and REACH Unaffected certification. BK/HTB-42M is classified as obsolete. Both are manufactured by Eaton - Electronics Division and meet the same electrical and mechanical specifications.

Q: Are there packaging differences between BK/HTB-42M and BK/HTB-42M-R?

A: BK/HTB-42M-R is supplied in Bulk packaging. Packaging information for BK/HTB-42M is not specified in the provided data.

Q: Which part should be selected for new designs?

A: BK/HTB-42M-R should be selected for new designs. It is the active product with current compliance certifications and represents the current manufacturing standard from Eaton - Electronics Division.

Q: Can fuses rated for different amperages be used in these holders?

A: No. These holders are rated for 16 A circuits. Only 5mm x 20mm cartridge fuses rated for 16 A at 250V are appropriate for use with BK/HTB-42M and BK/HTB-42M-R.