TE Connectivity AMP Connectors 746285-6 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 746285-6 is a 26 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-plated forked contacts, a polarizing key for proper orientation, and feed-through capability. The part is classified as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for ongoing applications and new designs.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	26
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	Gold
Contact Finish Thickness	15.0µin (0.38µm)
Features	Feed Through, Polarizing Key
Mounting Type	Free Hanging (In-Line)

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 746285-6 is determined by strict equivalence across the following critical parameters: connector type (receptacle), number of positions (26), pitch (0.100"/2.54mm), number of rows (2), row spacing (0.100"/2.54mm), cable termination method (IDC), wire gauge compatibility (26-28 AWG), wire type (ribbon cable), contact finish (gold), contact finish thickness (15.0µin/0.38µm), and presence of feed-through and polarizing key features. All identified substitute parts maintain these specifications without deviation. Differences in contact type (forked versus female socket), color, series designation, and packaging format do not affect functional interchangeability within the defined electrical and mechanical parameters.

Parameter Comparison

Parameter	746285-6 (Main Part)	1658621-6 (Direct Equivalent)	89126-0101HA (Similar Substitute)
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	3M
Connector Type	Receptacle	Receptacle	Receptacle
Number of Positions	26	26	26
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2	2
Row Spacing	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Cable Termination	IDC	IDC	IDC
Wire Gauge	26-28 AWG	26-28 AWG	26-28 AWG
Wire Type	Ribbon Cable	Ribbon Cable	Ribbon Cable
Contact Finish	Gold	Gold	Gold
Contact Finish Thickness	15.0µin (0.38µm)	15.0µin (0.38µm)	15.0µin (0.38µm)
Features	Feed Through, Polarizing Key	Feed Through, Polarizing Key	Feed Through, Polarizing Key
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Product Status	Obsolete	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The TE Connectivity 1658621-6 serves as the direct equivalent replacement for the obsolete 746285-6. Both components are manufactured by TE Connectivity within the AMP-Latch series and maintain identical electrical and mechanical specifications. The 1658621-6 holds active product status and achieves ROHS3 compliance, making it suitable for new designs and applications requiring regulatory adherence.

The 3M 89126-0101HA provides a functionally equivalent alternative from a different manufacturer. This component maintains all critical electrical and mechanical parameters and achieves ROHS3 compliance. The 89126-0101HA is classified as active and available in bulk packaging. Selection between the TE Connectivity 1658621-6 and the 3M 89126-0101HA depends on supply chain requirements, packaging preferences, and established vendor relationships, as both components satisfy identical functional and compliance criteria.

Frequently Asked Questions (FAQ)

Q: Can the 1658621-6 directly replace the obsolete 746285-6 in existing applications?

A: Yes. The 1658621-6 maintains identical electrical and mechanical specifications across all critical parameters including connector type, position count, pitch, row configuration, IDC termination method, wire gauge compatibility, contact finish, and feature set. The primary difference is product status (active versus obsolete) and regulatory compliance (ROHS3 compliant versus non-compliant).

Q: What are the differences between the TE Connectivity 1658621-6 and the 3M 89126-0101HA?

A: Both components are functionally equivalent across all electrical and mechanical parameters. Differences include manufacturer (TE Connectivity versus 3M), series designation (AMP-Latch versus 891), contact type designation (forked versus female socket), connector color (black versus gray), and packaging format (tube versus bulk). These differences do not affect interchangeability within the defined parameter set.

Q: Are there packaging considerations when selecting between substitute parts?

A: Yes. The 1658621-6 is supplied in tube packaging, while the 89126-0101HA is supplied in bulk packaging. Packaging selection depends on inventory management practices, handling procedures, and quantity requirements for specific applications.

Q: Do all substitute parts meet current regulatory requirements?

A: The 1658621-6 and 89126-0101HA both achieve ROHS3 compliance. The original 746285-6 is classified as RoHS non-compliant. For applications requiring regulatory adherence, either active substitute part is appropriate.

Q: Is the contact type difference between forked and female socket significant for substitution?

A: No. Both contact type designations describe functionally equivalent IDC contact geometries designed for ribbon cable termination. The electrical and mechanical performance characteristics remain identical across the specified wire gauge range and contact finish specifications.

Q: Can these connectors be used interchangeably in ribbon cable assemblies?

A: Yes. All three components accept 26-28 AWG ribbon cable through IDC termination and maintain identical pitch, row spacing, and mounting characteristics. Ribbon cable assemblies terminated to one component are mechanically and electrically compatible with the others.

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