TE Connectivity AMP Connectors 644631-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 644631-8 is a rectangular connector header designed for through-hole mounting applications. This connector features an 8-position, single-row configuration with 0.156" (3.96mm) pitch spacing, suitable for board-to-cable and board-to-board interconnections in general purpose and industrial applications.

The 644631-8 carries an obsolete product status. Identifying equivalent substitute parts ensures design continuity, maintains supply chain reliability, and supports long-term product support for legacy systems and new designs requiring compatible interconnection solutions.

Substiute Parts

644631-8

TE Connectivity AMP ConnectorsIn Stock: 895644631-8 Datasheet

Current PartRFQ

0417910855

MolexIn Stock: 8100417910855 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 644631-8 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Connector Type: Header
• Contact Type: Male Pin
• Number of Positions: 8
• Number of Rows: 1
• Pitch - Mating: 0.156" (3.96mm)
• Mounting Type: Through Hole
• Termination: Solder
• Shrouding: Shrouded - 1 Wall
• Fastening Type: Friction Lock
• Contact Shape: Square
• Contact Finish - Mating: Gold
• Material Flammability Rating: UL94 V-0
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The Molex 0417910855 connector satisfies all mandatory matching parameters and qualifies as a direct substitute for the TE Connectivity 644631-8 in rectangular connector applications requiring 8-position, 0.156" pitch through-hole headers with gold-plated mating contacts and shrouded single-wall construction.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0417910855 is an active product substitute for the obsolete TE Connectivity 644631-8. Both connectors maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current and future applications.

The Molex 0417910855 offers the advantage of active product status, providing ongoing manufacturer support, documented availability, and supply chain continuity. This substitute is suitable for applications requiring equivalent electrical and mechanical performance in rectangular connector configurations.

Minor dimensional variations exist in contact post length (0.140" versus 0.125") and overall contact length (0.720" versus 0.700"), resulting in a 0.020" (0.51mm) difference in overall contact length. These variations remain within acceptable tolerances for standard through-hole solder termination applications and do not affect mating compatibility or electrical performance.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0417910855 directly replace the TE Connectivity 644631-8 in existing designs?

A: The Molex 0417910855 qualifies as a direct substitute based on matching connector type, contact configuration, pitch spacing, mounting method, and termination type. Both connectors feature identical mating contact length (0.450"), gold plating specifications, and shrouded single-wall construction. Minor post length variations do not affect functional compatibility in standard through-hole applications.

Q: What are the key differences between these two connectors?

A: The primary differences are manufacturer identity and product status. The TE Connectivity 644631-8 is obsolete, while the Molex 0417910855 is active. The Molex connector has a slightly longer overall contact length (0.720" versus 0.700") and different insulation material composition (Polyester, Glass Filled versus Thermoplastic, Glass Filled). Both maintain identical electrical ratings, compliance certifications, and mating interface specifications.

Q: Are there any compatibility concerns with PCB mounting?

A: Both connectors use identical through-hole solder termination and 0.156" (3.96mm) pitch spacing. PCB footprints designed for the TE Connectivity 644631-8 accommodate the Molex 0417910855 without modification. The minor difference in post length (0.015" or 0.38mm) does not affect solder joint formation or mechanical stability on standard PCB thicknesses.

Q: What compliance certifications apply to both connectors?

A: Both the TE Connectivity 644631-8 and Molex 0417910855 are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Both carry UL94 V-0 material flammability ratings and MSL 1 (Unlimited) moisture sensitivity levels, ensuring equivalent regulatory and environmental performance.

Q: Why is the TE Connectivity 644631-8 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production and support. The Molex 0417910855 provides equivalent functionality with the advantage of active product status, ensuring ongoing availability and manufacturer technical support for new designs and legacy system maintenance.