Amphenol ICC 66432-140 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 66432-140 is a 40-position rectangular receptacle connector from the Quickie™ series, designed for IDC (Insulation Displacement Contact) termination with ribbon cable. This connector features a 0.100" pitch, dual-row configuration, and gold-plated contacts suitable for 28-30 AWG wire gauges. The product is currently active in production and available in tube packaging with 741 units in stock.

Identifying equivalent and substitute parts is necessary when the primary part becomes unavailable, when alternative compliance certifications are required, or when packaging or inventory constraints necessitate component alternatives that maintain electrical and mechanical compatibility.

Substiute Parts

66432-140

Amphenol ICC (FCI)In Stock: 78566432-140 Datasheet

Current PartRFQ

89140-0103

3MIn Stock: 154589140-0103 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 66432-140 is determined by strict adherence to the following core parameters:

• Connector Configuration: 40-position rectangular receptacle with 0.100" pitch and dual-row layout
• Termination Method: IDC cable termination for ribbon cable compatibility
• Contact Type: Female socket with gold plating
• Wire Gauge Compatibility: Acceptable range includes 26-30 AWG to accommodate standard ribbon cable specifications
• Mechanical Features: Presence of polarizing key, strain relief, and feed-through capability
• Contact Finish: Gold plating at 30.0µin minimum thickness

The 3M 89140-0103 meets these substitution criteria. While it specifies 26-28 AWG wire gauge (narrower than the 28-30 AWG of the primary part), this represents an overlapping range compatible with standard IDC ribbon cable applications. Both connectors share identical pitch, row configuration, mounting type, and core mechanical features.

Parameter Comparison

Engineering Selection Recommendations

Primary Part (Amphenol ICC 66432-140): Select this connector when RoHS non-compliant components are acceptable for the application and when 28-30 AWG ribbon cable specifications are required. The part is actively manufactured and maintains standard tube packaging.

Substitute Part (3M 89140-0103): Select this connector when ROHS3 compliance is mandated by design or regulatory requirements. The 26-28 AWG wire gauge specification accommodates the common 28 AWG standard used in most ribbon cable applications, providing functional equivalence. This part is actively manufactured with higher inventory availability (1484 units in stock versus 741 units for the primary part) and is supplied in bulk packaging.

Both connectors are active products with identical mechanical and electrical core specifications. The primary differentiation is RoHS compliance status and wire gauge range specification.

Frequently Asked Questions (FAQ)

Q: Can the 3M 89140-0103 directly replace the Amphenol ICC 66432-140 in existing designs?

A: Yes, for applications using standard 28 AWG ribbon cable. Both connectors share identical pitch (0.100"), row configuration (2 rows, 0.100" spacing), position count (40), and IDC termination method. The wire gauge ranges overlap at 28 AWG, which is the standard specification for most ribbon cable applications.

Q: What is the difference in wire gauge specifications between these connectors?

A: The Amphenol ICC 66432-140 specifies 28-30 AWG, while the 3M 89140-0103 specifies 26-28 AWG. The overlap at 28 AWG ensures compatibility for standard applications. If your design requires 29-30 AWG ribbon cable, the Amphenol part is the appropriate choice.

Q: Does the RoHS compliance difference affect electrical performance?

A: No. RoHS compliance relates to material composition and environmental regulations, not electrical or mechanical performance. Both connectors provide identical electrical characteristics and contact finish specifications (30.0µin gold plating).

Q: Are the physical dimensions and mounting interfaces identical?

A: Yes. Both connectors feature identical pitch (0.100"), row spacing (0.100"), mounting type (free hanging in-line), and mechanical features (polarizing key, strain relief, feed-through capability). They are mechanically interchangeable.

Q: What is the difference between tube and bulk packaging?

A: Tube packaging (66432-140) is typically used for smaller quantity orders and provides individual component protection. Bulk packaging (89140-0103) is used for higher-volume orders and offers cost efficiency. Packaging does not affect connector performance or compatibility.

Q: Can I use the 3M connector if my application requires RoHS non-compliance?

A: No. If your application specifically requires RoHS non-compliant components, the Amphenol ICC 66432-140 is the correct choice. The 3M 89140-0103 is ROHS3 compliant and may not meet non-compliance requirements.