M14BCK Equivalent & Substitute Parts

Part Overview

The M14BCK is a terminal butt splice connector manufactured by 3M under the Scotchlok™ series. This non-insulated crimp connector is designed for inline, individual opening applications with 14-16 AWG wire gauge capacity. The part is currently active in production with 1503 units in stock. Equivalent parts are identified when design requirements necessitate alternative sourcing, inventory constraints, or supply chain optimization while maintaining identical electrical and mechanical performance specifications.

Substiute Parts

M14BCK

3MIn Stock: 1520M14BCK Datasheet

Current PartRFQ

BS14-M

Panduit CorpIn Stock: 3447BS14-M Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M14BCK is determined by strict equivalence across the following parameters:

• Terminal Type: Butt Splice, Inline, Individual Openings
• Wire Gauge: 14-16 AWG
• Number of Wire Entries: 2
• Termination Method: Crimp
• Insulation: Non-Insulated
• Packaging: Bulk

The BS14-M from Panduit Corp meets all substitution criteria. Both parts share identical functional specifications for wire gauge, terminal configuration, and termination method. Differences in series designation (Scotchlok™ versus Pan-Term®) and additional features (Brazed Seam, Serrated Mating Area on the substitute) do not affect core substitution compatibility when electrical and mechanical requirements are met.

Parameter Comparison

Engineering Selection Recommendations

Both the M14BCK and BS14-M are active production parts with full regulatory compliance. The M14BCK maintains RoHS Compliant status, while the BS14-M achieves ROHS3 Compliant status, representing equivalent or enhanced environmental compliance. Both parts carry REACH Unaffected and EAR99 classifications, confirming regulatory alignment.

Selection between these parts should be based on availability, supply chain requirements, and design documentation specifications. The BS14-M offers higher current inventory (3432 units versus 1503 units), which may support extended production runs or expedited delivery requirements. Both parts are suitable for direct substitution in applications requiring 14-16 AWG butt splice crimp terminals with inline, individual opening configurations.

Frequently Asked Questions (FAQ)

Q: Can the BS14-M replace the M14BCK in existing designs?

A: Yes. Both parts meet identical specifications for terminal type, wire gauge, wire entry count, termination method, and insulation. The BS14-M is a direct functional equivalent.

Q: What is the significance of the Brazed Seam and Serrated Mating Area features on the BS14-M?

A: These features are manufacturing enhancements that do not alter the core electrical or mechanical compatibility. Both parts perform the same crimp splice function for 14-16 AWG wire.

Q: Are there compliance differences between the two parts?

A: Both parts are REACH Unaffected and carry EAR99 classification. The M14BCK is RoHS Compliant, while the BS14-M is ROHS3 Compliant. Both meet current regulatory requirements.

Q: Does packaging affect substitution?

A: Both parts are supplied in bulk packaging. No packaging conversion is required for direct substitution.

Q: Which part should be selected for new designs?

A: Either part is acceptable for new designs. Selection may be influenced by supplier relationships, inventory availability, or established procurement preferences. The BS14-M currently has higher inventory availability.