TE Connectivity 1-640431-2 Rectangular Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-640431-2 is a 12-position rectangular receptacle connector from the MTA-156 series, designed for IDC (Insulation Displacement Contact) termination with 18 AWG discrete or ribbon cable. This connector features tin-lead contact finish and is classified as a free-hanging, in-line mounting component with closed-end design. The part is currently active in production with 689 units in stock.

Identification of equivalent and substitute parts is necessary to address supply chain requirements, compliance specifications, and packaging preferences while maintaining electrical and mechanical compatibility with the original design.

Substiute Parts

1-640431-2

TE Connectivity AMP ConnectorsIn Stock: 7561-640431-2 Datasheet

Current PartRFQ

4-640431-2

TE Connectivity AMP ConnectorsIn Stock: 11944-640431-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution between the main part (1-640431-2) and the identified equivalent (4-640431-2) is based on strict alignment of the following critical parameters:

Electrical Compatibility Parameters:

• Connector type: Receptacle
• Number of positions: 12
• Pitch: 0.156" (3.96mm)
• Contact type: Female socket
• Cable termination: IDC
• Wire gauge: 18 AWG
• Contact finish thickness: 80.0µin (2.03µm)

Mechanical Compatibility Parameters:

• Number of rows: 1
• Mounting type: Free hanging (in-line)
• Features: Closed end
• Wire type: Discrete or ribbon cable
• Series: MTA-156

Differentiating Parameters:

• Contact finish material: Tin-lead (1-640431-2) versus tin (4-640431-2)
• Packaging: Not specified (1-640431-2) versus bulk (4-640431-2)
• RoHS compliance: Non-compliant (1-640431-2) versus compliant (4-640431-2)

The substitute part maintains full electrical and mechanical compatibility while offering alternative contact finish and compliance specifications.

Parameter Comparison

Engineering Selection Recommendations

Part 1-640431-2 (Tin-Lead Contact Finish): This part is suitable for applications where tin-lead contact finish is specified or required by design documentation. The part is active in production and maintains RoHS non-compliant status. Selection of this part is appropriate when legacy system compatibility or specific contact material requirements mandate tin-lead composition.

Part 4-640431-2 (Tin Contact Finish): This part is suitable for applications requiring RoHS compliance. The tin contact finish with identical thickness specification (80.0µin) provides equivalent electrical performance. This part is active in production with higher inventory availability (1183 units versus 689 units). Selection of this part is appropriate for new designs, RoHS-regulated applications, or when supply chain optimization is a consideration.

Both parts share identical electrical and mechanical specifications, including connector geometry, termination method, wire gauge compatibility, and contact finish thickness. The primary differentiators are contact finish material composition and regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: Are the 1-640431-2 and 4-640431-2 connectors mechanically interchangeable?

A: Yes. Both connectors share identical mechanical specifications including 12-position configuration, 0.156" pitch, single-row layout, free-hanging in-line mounting, and closed-end design. They are mechanically interchangeable in applications where the connector housing and mating interface are concerned.

Q: Are the 1-640431-2 and 4-640431-2 connectors electrically interchangeable?

A: Yes. Both connectors feature identical contact finish thickness (80.0µin), 18 AWG wire gauge compatibility, IDC termination method, and female socket contact type. The contact finish material differs (tin-lead versus tin), but both finishes provide equivalent electrical performance at the specified thickness.

Q: What is the difference between tin-lead and tin contact finishes?

A: The 1-640431-2 features tin-lead contact finish, while the 4-640431-2 features tin contact finish. Both are applied at 80.0µin thickness. The primary distinction is regulatory compliance: tin-lead finish results in RoHS non-compliance, while tin finish achieves RoHS compliance. Contact finish material does not affect electrical performance at the specified thickness.

Q: Which part should be selected for RoHS-compliant applications?

A: The 4-640431-2 is RoHS compliant and is the appropriate selection for applications subject to RoHS regulations or requirements. The 1-640431-2 is RoHS non-compliant.

Q: Are there packaging differences between these parts?

A: The 1-640431-2 packaging is not specified in the product data. The 4-640431-2 is supplied in bulk packaging. Packaging preference or requirement should be confirmed with procurement specifications.

Q: Can these connectors be used with both discrete and ribbon cable?

A: Yes. Both connectors support discrete or ribbon cable termination via IDC method at 18 AWG wire gauge.

Q: What is the moisture sensitivity level for these connectors?

A: Both connectors are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.