Cinch Connectivity Solutions 7-140 Equivalent & Substitute Parts

Part Overview

The Cinch Connectivity Solutions 7-140 is a 7-circuit barrier block connector with 0.375" (9.53mm) pitch, designed for chassis and panel mounting applications. This terminal block features dual-wall barrier construction, screw termination, and a 15A current rating at 250V. The part is currently active in production and RoHS compliant, making it suitable for industrial control and power distribution applications where reliable multi-circuit connections are required.

Equivalent and substitute parts are identified when alternative manufacturers offer barrier block connectors with compatible electrical and mechanical specifications that satisfy the same functional requirements.

Substiute Parts

7-140

Cinch Connectivity SolutionsIn Stock: 17717-140 Datasheet

Current PartRFQ

0387700107

MolexIn Stock: 12170387700107 Datasheet

SimilarRFQ

1546306-7

TE Connectivity AMP ConnectorsIn Stock: 52271546306-7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7-140 is determined by the following critical parameters:

• Circuit Configuration: 7 circuits with 14 wire entries in 2-row arrangement
• Pitch Tolerance: 0.375" (9.53mm) nominal pitch; 0.374" (9.50mm) is within acceptable mechanical tolerance
• Electrical Performance: Minimum 15A current rating and 250V voltage rating
• Termination Method: Screw-based top termination with closed bottom configuration
• Barrier Construction: Dual-wall (2 Wall) barrier type for circuit isolation
• Mounting Configuration: Chassis and panel mounting capability with flange feature
• Connector Type: Barrier block terminal block category

Substitute parts must satisfy all critical parameters. Variations in insulation material, terminal screw finish, wire gauge range, and compliance certifications do not preclude substitution when electrical and mechanical requirements are met.

Parameter Comparison

Engineering Selection Recommendations

Both the Molex 0387700107 and TE Connectivity 1546306-7 are qualified substitutes for the Cinch 7-140 based on matching circuit configuration, pitch, termination method, and barrier construction.

Molex 0387700107: This substitute meets all critical electrical and mechanical parameters. It provides equivalent 15A current rating and exceeds the voltage requirement at 300V. The wider wire gauge range (14-22 AWG) accommodates the 16 AWG specification of the main part. ROHS3 compliance and UL94 V-0 flammability rating are provided. This part is suitable for direct substitution in applications where the phenolic insulation of the original part is not a specific design requirement.

TE Connectivity 1546306-7: This substitute exceeds the electrical specifications with a 20A current rating and 300V voltage rating. The pitch tolerance of 0.374" (9.50mm) is within acceptable mechanical limits for barrier block connectors. The wider wire gauge range (12-22 AWG) provides flexibility for the 16 AWG requirement. ROHS3 compliance and UL94 V-0 flammability rating are provided. This part is suitable for direct substitution and offers enhanced current capacity for applications requiring higher performance margins.

Both substitutes are active products with current manufacturing status and full compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0387700107 be used as a direct replacement for the Cinch 7-140?

A: Yes. Both parts share identical circuit count (7), pitch (0.375"), row configuration (2), termination method (screw), and barrier type (dual-wall). The Molex part meets or exceeds all electrical requirements with 15A current rating and 300V voltage rating.

Q: What is the significance of the pitch difference between the Cinch 7-140 (0.375") and TE Connectivity 1546306-7 (0.374")?

A: The 0.001" difference (0.025mm) is within standard mechanical tolerance for barrier block connectors and does not affect functional compatibility. Both pitches are acceptable for the same mounting footprint and circuit spacing requirements.

Q: Does the wire gauge range difference affect substitution compatibility?

A: No. The Cinch 7-140 specifies 16 AWG wire gauge. Both substitute parts accept 16 AWG within their respective wire gauge ranges (Molex: 14-22 AWG; TE Connectivity: 12-22 AWG), ensuring full compatibility for the specified wire size.

Q: Are there compliance differences between the main part and substitutes?

A: The Cinch 7-140 is RoHS Compliant. Both substitutes are ROHS3 Compliant, which represents an updated compliance standard. Both substitutes provide UL94 V-0 flammability ratings. All three parts are EAR99 classified and share the same HTSUS code (8536.90.4000).

Q: Can the TE Connectivity 1546306-7 be used in applications designed for the Cinch 7-140?

A: Yes. The TE Connectivity part exceeds the electrical specifications of the original part (20A vs. 15A current rating; 300V vs. 250V voltage rating) and maintains all critical mechanical parameters. It is suitable for direct substitution.

Q: What insulation material differences exist between these parts?

A: The Cinch 7-140 uses Phenol Formaldehyde (Phenolic) insulation. The Molex 0387700107 uses Polybutylene Terephthalate (PBT), and the TE Connectivity 1546306-7 uses Thermoplastic insulation. All three materials are suitable for barrier block applications and do not affect electrical or mechanical compatibility.