TE Connectivity AMP Connectors 746288-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 746288-4 is a 20 Position Rectangular Receptacle Connector designed for IDC (Insulation Displacement Contact) termination with ribbon cable in the 26-28 AWG wire gauge range. This connector features gold contact finish, forked contact type, and polarizing key functionality for secure mating. The part is classified as obsolete, necessitating identification of equivalent substitute components that maintain electrical and mechanical compatibility while offering active product status and improved compliance certifications.

Substiute Parts

746288-4

TE Connectivity AMP ConnectorsIn Stock: 963746288-4 Datasheet

Current PartRFQ

1658622-4

TE Connectivity AMP ConnectorsIn Stock: 13481658622-4 Datasheet

DirectRFQ

89120-0101

3MIn Stock: 4256589120-0101 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 746288-4 are identified based on strict electrical and mechanical parameter alignment. The following parameters determine substitution eligibility:

Critical Matching Parameters:

• Connector Type: Receptacle
• Number of Positions: 20
• Pitch: 0.100" (2.54mm)
• Number of Rows: 2
• Row Spacing: 0.100" (2.54mm)
• Cable Termination: IDC
• Wire Gauge: 26-28 AWG
• Wire Type: Ribbon Cable
• Contact Finish Thickness: 30.0µin (0.76µm)
• Features: Feed Through, Polarizing Key
• Mounting Type: Free Hanging (In-Line)
• Moisture Sensitivity Level: 1 (Unlimited)

All identified substitute parts maintain these core parameters. Variations in contact type (forked versus female socket), contact finish material composition (gold versus gold-palladium), color, and manufacturer series do not affect functional compatibility within the specified electrical and mechanical constraints.

Parameter Comparison

Engineering Selection Recommendations

1658622-4 (Direct Substitute - TE Connectivity AMP Connectors)

The 1658622-4 is the primary direct substitute for the obsolete 746288-4. Both components are manufactured by TE Connectivity AMP Connectors within the same AMP-Latch series. The 1658622-4 maintains identical electrical and mechanical specifications while offering active product status. The contact finish specification permits gold or gold-palladium composition, providing material flexibility. The 1658622-4 achieves RoHS Compliance, addressing regulatory requirements that the original part does not meet. This substitute is recommended for applications requiring continuity with the original TE Connectivity platform and design ecosystem.

89120-0101 (Similar Substitute - 3M)

The 89120-0101 is a cross-manufacturer substitute manufactured by 3M within the 891 series. This component maintains all critical electrical and mechanical parameters including pitch, row spacing, wire gauge, contact finish thickness, and IDC termination method. The primary distinction is the contact type classification (female socket versus forked), which does not affect functional compatibility with standard ribbon cable IDC applications. The 89120-0101 achieves ROHS3 Compliance and carries REACH Unaffected status. This substitute is applicable for applications where cross-manufacturer sourcing is acceptable and provides significantly higher inventory availability (42,511 pieces in stock).

Selection Basis:

• Both substitutes maintain all critical electrical and mechanical parameters specified for the 746288-4
• Both substitutes offer active product status, addressing obsolescence concerns
• Both substitutes comply with current RoHS regulations
• Selection between 1658622-4 and 89120-0101 depends on manufacturer platform preference and supply chain requirements

Frequently Asked Questions (FAQ)

Q: Can the 1658622-4 directly replace the 746288-4 in existing designs?

A: Yes. The 1658622-4 maintains identical pitch (0.100"), row spacing (0.100"), number of positions (20), wire gauge (26-28 AWG), contact finish thickness (30.0µin), and IDC termination specifications. Both components feature feed-through and polarizing key functionality. The 1658622-4 is electrically and mechanically compatible with applications designed for the 746288-4.

Q: What is the difference between the forked contact type in 746288-4 and the female socket contact type in 89120-0101?

A: Both contact types are designed for IDC ribbon cable termination and maintain the specified contact finish thickness of 30.0µin (0.76µm). The contact type classification does not affect compatibility with standard ribbon cable connectors operating within the 26-28 AWG wire gauge specification. Both designs accommodate the same mating interface requirements.

Q: Are there compliance differences between the substitute parts?

A: Yes. The 746288-4 is RoHS non-compliant. The 1658622-4 is RoHS Compliant. The 89120-0101 is ROHS3 Compliant. Both substitutes meet current regulatory requirements. Applications subject to RoHS mandates must use either the 1658622-4 or 89120-0101.

Q: Does the color difference between the 746288-4 (black) and 89120-0101 (gray) affect functionality?

A: No. Color is a cosmetic parameter that does not affect electrical or mechanical performance. Both components maintain identical pitch, row spacing, contact finish specifications, and IDC termination characteristics.

Q: What is the difference between gold and gold-palladium contact finish on the 1658622-4?

A: The 1658622-4 specification permits either gold or gold-palladium composition while maintaining the same contact finish thickness of 30.0µin (0.76µm). Both compositions meet the electrical and mechanical requirements for IDC ribbon cable applications within the 26-28 AWG wire gauge range.

Q: Which substitute part should be selected for new designs?

A: For new designs, either the 1658622-4 or 89120-0101 is appropriate based on manufacturer platform preference. The 1658622-4 maintains continuity with the original TE Connectivity AMP-Latch series. The 89120-0101 provides cross-manufacturer compatibility and higher inventory availability. Both parts meet current RoHS compliance requirements and maintain all critical electrical and mechanical parameters.

Q: Are the substitute parts available in the same packaging as the 746288-4?

A: The 746288-4 packaging specification is not provided in the available data. Both substitute parts are available in bulk packaging. Specific packaging requirements should be confirmed with component suppliers based on application needs.

Q: What is the Moisture Sensitivity Level (MSL) for the substitute parts?

A: Both substitute parts maintain MSL 1 (Unlimited), identical to the 746288-4. This classification indicates no moisture sensitivity restrictions for storage or handling.