3M 4640-7001 Rectangular Connector Plug - Equivalent & Substitute Parts

Part Overview

The 3M 4640-7001 is a 40-position rectangular plug connector with IDC (Insulation Displacement Contact) termination, designed for discrete or ribbon cable applications. This connector features gold-plated male pins rated for 26-28 AWG wire gauges and is configured in a 2-row layout with 0.100" pitch spacing. The part maintains Active product status and is RoHS3 compliant, making it suitable for applications requiring reliable inline connectivity with standard rectangular connector footprints. Substitute parts are identified when inventory constraints, lead time requirements, or design flexibility necessitate alternative part selection while maintaining electrical and mechanical compatibility.

Substiute Parts

4640-7001
3MIn Stock: 7334640-7001 Datasheet
4640-7001
Current Part
4640-6001
3MIn Stock: 14954640-6001 Datasheet
4640-6001
MFR Recommended

Key Parameters

Parameter Specification
Connector Type Plug
Number of Positions 40
Contact Type Male Pin
Pitch 0.100" (2.54mm)
Number of Rows 2
Row Spacing 0.100" (2.54mm)
Cable Termination IDC
Wire Gauge 26-28 AWG, Stranded or Solid
Contact Finish Gold
Contact Finish Thickness 30.0µin (0.76µm)
Mounting Type Free Hanging (In-Line)
Series 3M 4600
RoHS Status RoHS3 Compliant
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 3M 4640-7001 is determined by strict equivalence across the following critical parameters:

  • Connector Configuration: 40-position, 2-row rectangular plug with 0.100" pitch and 0.100" row spacing
  • Electrical Interface: Male pin contacts with gold plating at 30.0µin thickness
  • Termination Method: IDC (Insulation Displacement Contact) for 26-28 AWG wire
  • Mechanical Compatibility: Free hanging, in-line mounting orientation
  • Compliance: RoHS3 compliance and MSL 1 rating

The identified substitute part 3M 4640-6001 maintains identical electrical and mechanical specifications across all critical parameters. The primary distinction between these parts is the connector feature classification: the main part (4640-7001) incorporates a closed-end design, while the substitute (4640-6001) features a feed-through design. Both parts share the same base product number (4640) within the 3M 4600 series and are functionally interchangeable for standard rectangular connector applications requiring 40-position IDC termination.

Parameter Comparison

Parameter 3M 4640-7001 (Main Part) 3M 4640-6001 (Substitute) Compatibility
Connector Type Plug Plug Identical
Number of Positions 40 40 Identical
Contact Type Male Pin Male Pin Identical
Pitch 0.100" (2.54mm) 0.100" (2.54mm) Identical
Number of Rows 2 2 Identical
Row Spacing 0.100" (2.54mm) 0.100" (2.54mm) Identical
Cable Termination IDC IDC Identical
Wire Gauge 26-28 AWG, Stranded or Solid 26-28 AWG, Stranded or Solid Identical
Contact Finish Gold Gold Identical
Contact Finish Thickness 30.0µin (0.76µm) 30.0µin (0.76µm) Identical
Mounting Type Free Hanging (In-Line) Free Hanging (In-Line) Identical
Features Closed End Feed Through Functionally Equivalent
Series 3M 4600 3M 4600 Identical
RoHS Status RoHS3 Compliant RoHS3 Compliant Identical
MSL Rating 1 (Unlimited) 1 (Unlimited) Identical

Engineering Selection Recommendations

Both the 3M 4640-7001 and 3M 4640-6001 maintain Active product status within the 3M 4600 rectangular connector series and carry identical RoHS3 compliance and MSL 1 certifications. Selection between these parts should be based on the specific application requirement for connector end configuration: the closed-end design of the 4640-7001 is appropriate for applications where cable termination occurs at a single end, while the feed-through design of the 4640-6001 accommodates applications requiring signal pass-through or daisy-chain connectivity. Both parts are suitable for production use and carry equivalent reliability ratings. Inventory availability and lead time considerations may also influence part selection, as the 4640-6001 currently maintains higher stock levels (1427 pcs) compared to the 4640-7001 (647 pcs).

Frequently Asked Questions (FAQ)

Q: Are the 3M 4640-7001 and 3M 4640-6001 electrically interchangeable?

A: Yes. Both parts feature identical 40-position male pin configurations with gold contact finish, 0.100" pitch spacing, and IDC termination for 26-28 AWG wire. Electrical performance and contact resistance specifications are equivalent.

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

A: The closed-end design (4640-7001) terminates the connector housing at the cable entry point. The feed-through design (4640-6001) allows the connector body to extend beyond the cable termination point, enabling signal pass-through or multiple cable connections in series.

Q: Can I substitute the 4640-6001 for the 4640-7001 in an existing design?

A: Substitution is mechanically and electrically feasible if the application does not require the specific closed-end housing profile. Verify that the feed-through design does not create mechanical interference with surrounding components or enclosure geometry.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the 3M 4640-7001 and 3M 4640-6001 carry RoHS3 compliance certification and MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What wire gauges are supported by these connectors?

A: Both connectors support 26-28 AWG wire in stranded or solid configuration, terminated via IDC (Insulation Displacement Contact) method.

Q: Are there any packaging or quantity differences between these parts?

A: Both parts are supplied in Bulk packaging. Current inventory levels differ: 4640-7001 has 647 pcs in stock, while 4640-6001 has 1427 pcs available.

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