TE Connectivity 644460-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 644460-8 is an 8-position rectangular receptacle connector from the MTA-156 series, designed for IDC (Insulation Displacement Contact) termination with 18 AWG wire. This connector features a gold-plated contact finish, closed-end design, and polarizing key for secure mating. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives to maintain supply chain continuity for applications requiring this connector specification.

Substiute Parts

644460-8

TE Connectivity AMP ConnectorsIn Stock: 917644460-8 Datasheet

Current PartRFQ

3-644460-8

TE Connectivity AMP ConnectorsIn Stock: 11133-644460-8 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 644460-8 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Connector type (Receptacle)
• Contact type (Female Socket)
• Number of positions (8)
• Pitch specification (0.156" / 3.96mm)
• Cable termination method (IDC)
• Wire gauge compatibility (18 AWG)
• Contact finish material and thickness (Gold, 30.0µin)

Mechanical Compatibility Parameters:

• Series designation (MTA-156)
• Mounting type (Free Hanging In-Line)
• Fastening type (Locking Ramp)
• Features (Closed End, Polarizing Key)
• Color (Orange)

Regulatory and Environmental Parameters:

• Moisture Sensitivity Level (MSL 1 - Unlimited)
• REACH status (REACH Unaffected)
• ECCN classification (EAR99)

The substitute part 3-644460-8 maintains complete electrical and mechanical equivalence to the main part while offering active product status and improved regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The substitute part 3-644460-8 is the direct equivalent for the obsolete TE Connectivity 644460-8. Selection of the substitute part is based on the following engineering criteria:

Product Status Advantage: The 3-644460-8 maintains active product status, ensuring continued availability and supply chain reliability compared to the obsolete 644460-8.

Regulatory Compliance: The 3-644460-8 achieves RoHS compliance, whereas the main part is RoHS non-compliant. This compliance improvement aligns with current regulatory requirements for electronic components in many jurisdictions.

Electrical and Mechanical Equivalence: All critical electrical parameters, mechanical specifications, and dimensional characteristics are identical between the two parts. The 3-644460-8 is a direct functional replacement with no design modifications required.

Environmental and Certification Alignment: Both parts maintain identical REACH status (REACH Unaffected), ECCN classification (EAR99), and HTSUS coding (8536.69.8000), ensuring consistent regulatory treatment.

Packaging Availability: The 3-644460-8 is available in bulk packaging, supporting both prototype and production-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the 3-644460-8 be used as a direct replacement for the 644460-8 in existing applications?

A: Yes. The 3-644460-8 is electrically and mechanically equivalent to the 644460-8. All contact specifications, pitch, termination method, and connector geometry are identical. No circuit modifications or mechanical redesign is required.

Q: What is the primary difference between these two parts?

A: The 3-644460-8 is the active production equivalent of the obsolete 644460-8. The substitute part offers improved RoHS compliance and guaranteed supply chain availability. All functional specifications remain unchanged.

Q: Are the contact finish specifications identical?

A: Yes. Both parts feature gold-plated contacts with a finish thickness of 30.0µin (0.76µm), ensuring equivalent electrical performance and contact reliability.

Q: Does the packaging difference affect compatibility?

A: No. The 3-644460-8 is supplied in bulk packaging, which is a distribution format difference only. The connector itself is identical in form, fit, and function.

Q: Is the 3-644460-8 suitable for applications requiring RoHS compliance?

A: Yes. The 3-644460-8 is RoHS compliant, making it suitable for applications with RoHS requirements. The original 644460-8 is RoHS non-compliant.

Q: Are the IDC termination specifications the same?

A: Yes. Both parts use identical IDC (Insulation Displacement Contact) termination for 18 AWG wire, whether discrete or ribbon cable. Termination tooling and procedures are unchanged.

Q: What is the moisture sensitivity level for both parts?

A: Both parts carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.