TE Connectivity AMP Connectors 746285-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 746285-4 is a 20 Position Rectangular Receptacle Connector with IDC termination, gold contact finish, and support for 26-28 AWG ribbon cable. This connector is part of the AMP-Latch series and features a forked contact type with feed-through and polarizing key functionality.

The 746285-4 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production and field service requirements for systems utilizing this connector type.

Key Parameters

Parameter	Value
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 Type	Ribbon Cable
Wire Gauge	26-28 AWG
Contact Finish	Gold
Mounting Type	Free Hanging (In-Line)
Features	Feed Through, Polarizing Key

Substitute Part Grouping Explanation

Substitute parts for the 746285-4 are identified based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

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 Type: Ribbon Cable
Mounting Type: Free Hanging (In-Line)

Secondary Compatibility Criteria:

Wire Gauge: 26-28 AWG (primary specification) or 28-30 AWG (compatible range)
Contact Finish: Gold
Features: Feed Through and Polarizing Key

Substitute parts are grouped into two categories:

Direct Equivalent: Parts that match all primary and secondary criteria with identical wire gauge specification (26-28 AWG).

Similar Equivalent: Parts that match all primary criteria and contact finish specification but operate within an overlapping wire gauge range (28-30 AWG) or have minor feature variations such as strain relief or latch holder fastening.

Parameter Comparison

Parameter	746285-4 (Main)	1658621-4 (Direct)	89120-0101HA (Similar)	66900-220LF (Similar)	66902-020LF (Similar)
Manufacturer	TE Connectivity AMP	TE Connectivity AMP	3M	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Series	AMP-Latch	AMP-Latch	891	Quickie™	Quickie™
Product Status	Obsolete	Active	Active	Active	Active
Connector Type	Receptacle	Receptacle	Receptacle	Receptacle	Receptacle
Contact Type	Forked	Forked	Female Socket	Female Socket	Female Socket
Number of Positions	20	20	20	20	20
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	2	2	2	2	2
Row Spacing	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Cable Termination	IDC	IDC	IDC	IDC	IDC
Wire Type	Ribbon Cable	Ribbon Cable	Ribbon Cable	Ribbon Cable	Ribbon Cable
Wire Gauge	26-28 AWG	26-28 AWG	26-28 AWG	28-30 AWG	28-30 AWG
Contact Finish	Gold	Gold	Gold	Gold, GXT™	Gold or Gold, GXT™
Contact Finish Thickness	15.0µin (0.38µm)	15.0µin (0.38µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	30.0µin (0.76µm)
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Features	Feed Through, Polarizing Key	Feed Through, Polarizing Key	Feed Through, Polarizing Key	Feed Through, Polarizing Key, Strain Relief	Feed Through, Strain Relief
Color	Black	Black	Gray	Blue	Blue
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	Not Specified
Packaging	Not Specified	Tube	Bulk	Tube	Tube

Engineering Selection Recommendations

Direct Equivalent Selection:

The TE Connectivity AMP Connectors 1658621-4 is the direct equivalent to the 746285-4. Both parts share identical electrical and mechanical specifications, including 20 positions, 0.100" pitch, 2-row configuration, IDC termination, 26-28 AWG wire gauge, and gold contact finish at 15.0µin thickness. The 1658621-4 is classified as Active product status and is ROHS3 Compliant, providing regulatory compliance advantages over the obsolete 746285-4. The 1658621-4 is available in Tube packaging with 14,374 pieces in stock.

Similar Equivalent Selection:

The 3M 89120-0101HA provides functional equivalence with identical wire gauge specification (26-28 AWG) and contact finish thickness (15.0µin). This part maintains all primary compatibility criteria and is ROHS3 Compliant with Active product status. The 89120-0101HA is available in Bulk packaging with 3,401 pieces in stock.

The Amphenol ICC (FCI) 66900-220LF and 66902-020LF are compatible alternatives that operate within an overlapping wire gauge range (28-30 AWG). Both parts maintain the 20-position, 0.100" pitch, 2-row IDC configuration with gold contact finish. The 66900-220LF includes strain relief and polarizing key features. The 66902-020LF includes strain relief and latch holder fastening. Both are RoHS Compliant with Active product status. The 66900-220LF is available in Tube packaging with 2,000 pieces in stock. The 66902-020LF is available in Tube packaging with 920 pieces in stock.

Compliance Considerations:

For applications requiring RoHS compliance, the 1658621-4, 89120-0101HA, 66900-220LF, and 66902-020LF all meet current regulatory requirements. The original 746285-4 is RoHS non-compliant.

Frequently Asked Questions (FAQ)

Q: Can the 1658621-4 be used as a direct replacement for the 746285-4?

A: Yes. The 1658621-4 is a direct equivalent with identical electrical and mechanical specifications. Both parts feature 20 positions, 0.100" pitch, 2-row configuration, IDC termination, 26-28 AWG wire gauge, and gold contact finish at 15.0µin thickness. The 1658621-4 is Active product status and ROHS3 Compliant.

Q: What is the difference between the 746285-4 and the 89120-0101HA?

A: Both parts share identical wire gauge (26-28 AWG), contact finish thickness (15.0µin), and all primary connector specifications. The primary differences are manufacturer (TE Connectivity vs. 3M), series designation (AMP-Latch vs. 891), connector color (Black vs. Gray), and product status (Obsolete vs. Active). The 89120-0101HA is ROHS3 Compliant.

Q: Why do the 66900-220LF and 66902-020LF specify 28-30 AWG instead of 26-28 AWG?

A: The 66900-220LF and 66902-020LF are designed for 28-30 AWG ribbon cable. This represents an overlapping wire gauge range with the 746285-4 specification. These parts maintain compatibility with the 20-position, 0.100" pitch, 2-row IDC configuration and gold contact finish. Selection of these parts requires verification that the application cable gauge falls within the 28-30 AWG range.

Q: What packaging options are available for substitute parts?

A: The 1658621-4 is available in Tube packaging. The 89120-0101HA is available in Bulk packaging. The 66900-220LF and 66902-020LF are available in Tube packaging. Packaging selection depends on procurement and inventory management requirements.

Q: Are all substitute parts RoHS compliant?

A: The 1658621-4, 89120-0101HA, and 66900-220LF are RoHS Compliant or ROHS3 Compliant. The 66902-020LF RoHS status is not specified in available documentation. The original 746285-4 is RoHS non-compliant.

Q: What is the difference in contact finish thickness between the main part and some substitutes?

A: The 746285-4, 1658621-4, and 89120-0101HA feature gold contact finish at 15.0µin (0.38µm) thickness. The 66900-220LF and 66902-020LF feature gold or gold GXT™ contact finish at 30.0µin (0.76µm) thickness. The increased thickness in the Amphenol ICC parts provides enhanced durability and wear resistance.

Q: Do the Amphenol ICC parts include additional features?

A: Yes. The 66900-220LF includes strain relief in addition to feed-through and polarizing key features. The 66902-020LF includes strain relief and latch holder fastening. The 746285-4 and direct equivalents feature feed-through and polarizing key only. Additional features provide enhanced mechanical stability and cable retention.

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