Amphenol ICC 66245-126 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 66245-126 is a 26-position rectangular receptacle connector with IDC (Insulation Displacement Contact) termination for ribbon cable applications. This connector features gold-plated contacts rated for 28-30 AWG wire gauges and operates in the Quickie™ series. The part is currently obsolete, making equivalent substitutes necessary for ongoing system maintenance and new designs requiring compatible 26-position IDC receptacle functionality.

Substiute Parts

66245-126

Amphenol ICC (FCI)In Stock: 98166245-126 Datasheet

Current PartRFQ

2-215882-6

TE Connectivity AMP ConnectorsIn Stock: 62202-215882-6 Datasheet

MFR RecommendedRFQ

3399-7000

3MIn Stock: 10763399-7000 Datasheet

MFR RecommendedRFQ

89126-0001

3MIn Stock: 197289126-0001 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 66245-126 is determined by the following critical parameters that must match or be compatible:

• Connector Type & Contact Type: Must be receptacle with female socket contacts
• Position Count: Must be 26 positions
• Pitch & Row Configuration: Must maintain 0.100" (2.54mm) pitch with 2-row layout
• Cable Termination Method: Must support IDC termination for ribbon cable
• Contact Finish: Must be gold-plated at 30.0µin (0.76µm) thickness
• Mounting Configuration: Must be free hanging (in-line) style
• Wire Gauge Compatibility: Acceptable range is 26-30 AWG (original part: 28-30 AWG; substitutes: 26-28 AWG)

The three substitute parts listed below meet these core electrical and mechanical requirements and are qualified as direct replacements for the obsolete 66245-126.

Parameter Comparison

Engineering Selection Recommendations

2-215882-6 (TE Connectivity AMP Connectors Mark II Series)

This substitute offers ROHS3 compliance and active product status. The addition of a polarizing key feature provides enhanced mating security compared to the original part. The Mark II series is widely used in industrial ribbon cable applications and maintains full electrical and mechanical compatibility with the 66245-126 footprint and contact specifications.

3399-7000 (3M 3000 Series)

This substitute provides RoHS compliance and active product status. Wire gauge specification of 26-28 AWG encompasses the original 28-30 AWG range, ensuring compatibility with existing ribbon cable assemblies. The closed-end feature matches the original part's design. The 3M 3000 series is established in legacy system support applications.

89126-0001 (3M 891 Series)

This substitute offers ROHS3 compliance and active product status. The feed-through feature allows for daisy-chain connector configurations in applications requiring multiple connection points. Wire gauge specification of 26-28 AWG is compatible with the original part's requirements. The 891 series provides an alternative topology for systems designed with pass-through connector requirements.

Frequently Asked Questions (FAQ)

Q: Can the 66245-126 be directly replaced with any of these substitutes in existing designs?

A: Yes. All three substitutes maintain the critical electrical and mechanical parameters: 26-position receptacle configuration, 0.100" (2.54mm) pitch, 2-row layout, IDC ribbon cable termination, and gold contact finish at 30.0µin thickness. Physical footprint and mating interface are identical.

Q: What is the difference between the closed-end and feed-through features?

A: The closed-end design (66245-126 and 3399-7000) terminates the connector at a single connection point. The feed-through design (2-215882-6 and 89126-0001) allows ribbon cable to pass through the connector, enabling daisy-chain configurations where multiple connectors can be connected in series on a single ribbon cable.

Q: Are there wire gauge compatibility concerns when substituting?

A: The original 66245-126 specifies 28-30 AWG. Substitutes 3399-7000 and 89126-0001 specify 26-28 AWG. The overlap at 28 AWG ensures compatibility. Substitute 2-215882-6 does not specify wire gauge but maintains the same IDC contact design. All substitutes are compatible with standard 28 AWG ribbon cable assemblies.

Q: What is the significance of the polarizing key feature in the 2-215882-6?

A: The polarizing key is a mechanical feature that prevents incorrect mating orientation. This enhances assembly reliability by ensuring connectors can only be mated in the correct position, reducing installation errors in production environments.

Q: How do RoHS compliance differences affect part selection?

A: The original 66245-126 is RoHS non-compliant. All three substitutes are RoHS compliant (either RoHS or ROHS3). For new designs or systems subject to RoHS regulations, any of the three substitutes is appropriate. For legacy system repairs where RoHS compliance is not a requirement, all options remain functionally equivalent.

Q: What packaging formats are available for these substitutes?

A: 2-215882-6 is supplied in Tray packaging. 3399-7000 and 89126-0001 are supplied in Bulk packaging. Packaging format does not affect electrical or mechanical performance and is determined by procurement and inventory management requirements.