MU14-8FBK Equivalent & Substitute Parts

Part Overview

The MU14-8FBK is a non-insulated spade terminal connector manufactured by 3M, designed for crimp termination of 14-16 AWG wire to an 8 stud configuration. This component is part of the Scotchlok™ series and maintains Active product status with full RoHS compliance. Substitute parts are identified when equivalent electrical and mechanical parameters align within the allowed specifications for this terminal category, enabling component interchangeability in applications where the core functional requirements remain constant.

Substiute Parts

MU14-8FBK

3MIn Stock: 1621MU14-8FBK Datasheet

Current PartRFQ

P14-8F-M

Panduit CorpIn Stock: 39079P14-8F-M Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MU14-8FBK is determined by alignment of the following critical parameters:

• Stud/Tab Size: Must be 8 Stud to ensure mechanical fit with mating connectors
• Termination Type: Must be Crimp to maintain compatibility with existing assembly processes
• Contact Material & Finish: Copper with Tin finish ensures electrical conductivity and corrosion resistance equivalence
• Insulation Classification: Non-insulated designation must be maintained
• Mounting Configuration: Free Hanging (In-Line) orientation must be preserved

The substitute part P14-8F-M meets these core criteria. Wire gauge compatibility extends from 14-16 AWG (main part) to 14-18 AWG (substitute), representing an acceptable expansion of the wire gauge range while maintaining the 8 stud connection point and crimp termination method.

Parameter Comparison

Engineering Selection Recommendations

Both the MU14-8FBK and P14-8F-M maintain Active product status and full regulatory compliance. The MU14-8FBK is specified for 14-16 AWG wire gauge, while the P14-8F-M accommodates 14-18 AWG. For applications requiring wire gauges within the 14-16 AWG range, both components satisfy the electrical and mechanical requirements. Selection between these parts should be based on availability, supply chain considerations, and existing inventory management protocols. Both components carry equivalent RoHS and REACH compliance certifications, with matching ECCN and HTSUS classifications.

Frequently Asked Questions (FAQ)

Q: Can P14-8F-M replace MU14-8FBK in all applications?

A: The P14-8F-M is mechanically and electrically compatible for applications using 14-16 AWG wire. The substitute part's extended wire gauge range (14-18 AWG) does not affect compatibility within the original specification range. Both parts feature identical 8 stud configuration, crimp termination, copper-tin contact materials, and free hanging mounting orientation.

Q: What are the dimensional differences between these parts?

A: The MU14-8FBK has an outer edge width of 0.300" (7.62mm) and overall length of 0.650" (16.50mm). The P14-8F-M measures 0.310" (7.87mm) in outer edge width and 0.690" (17.53mm) in overall length. These minor dimensional variations remain within acceptable tolerances for standard 8 stud spade terminal applications.

Q: Are there differences in seam construction?

A: The MU14-8FBK features a butted seam, while the P14-8F-M incorporates a brazed seam with serrated termination. Both construction methods provide secure crimp connections suitable for 14-16 AWG wire termination.

Q: Do both parts have the same packaging format?

A: Both the MU14-8FBK and P14-8F-M are supplied in bulk packaging, enabling direct substitution in component procurement and assembly workflows.

Q: Are regulatory certifications equivalent?

A: Both parts are RoHS compliant, REACH unaffected, and classified under identical ECCN (EAR99) and HTSUS (8536.90.4000) codes. The MU14-8FBK carries RoHS Compliant status, while the P14-8F-M carries ROHS3 Compliant status, both meeting current regulatory requirements.