TE Connectivity 644617-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 644617-4 is a rectangular connector header, right-angle configuration, with 4 positions at 0.156" (3.96mm) pitch. This through-hole solder-terminated connector is designed for board-to-cable/wire applications in general purpose and industrial environments. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design and procurement requirements. Active alternatives are available that maintain electrical and mechanical compatibility while offering improved compliance status.

Substiute Parts

644617-4

TE Connectivity AMP ConnectorsIn Stock: 672644617-4 Datasheet

Current PartRFQ

3-644617-4

TE Connectivity AMP ConnectorsIn Stock: 9083-644617-4 Datasheet

DirectRFQ

0026645040

MolexIn Stock: 47970026645040 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 644617-4 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Connector type (Header)
• Contact type (Male Pin)
• Pitch - mating (0.156" / 3.96mm)
• Number of positions (4)
• Number of rows (1)
• Mounting type (Through Hole, Right Angle)
• Termination method (Solder)
• Shrouding configuration (Shrouded - 1 Wall)
• Fastening type (Friction Lock)

Secondary Compatibility Criteria:

• Operating temperature range (-55°C ~ 105°C minimum)
• Voltage rating (600VAC minimum)
• Material flammability rating (UL94 V-0)

The identified substitutes maintain all primary compatibility criteria. Variations in contact material, contact finish composition, insulation material, and insulation height are permissible within the scope of rectangular connector substitution, provided electrical and mechanical interface requirements are satisfied.

Parameter Comparison

Engineering Selection Recommendations

TE Connectivity 3-644617-4 (Direct Equivalent)

The 3-644617-4 is the primary substitute for the obsolete 644617-4. Both components are from the same manufacturer and MTA-156 series, with identical electrical and mechanical specifications. The 3-644617-4 maintains active product status and achieves ROHS3 compliance, addressing regulatory requirements of the original part. The primary difference is contact finish composition (Tin versus Tin-Lead), which does not affect functional compatibility. This part is the preferred selection for direct replacement in existing designs.

Molex 0026645040 (Cross-Manufacturer Alternative)

The Molex 0026645040 provides cross-manufacturer compatibility with identical pitch, position count, mounting configuration, and termination method. This part maintains the same electrical interface and mechanical footprint for mating operations. Differences include contact post length (0.156" versus 0.125"), insulation height (0.394" versus 0.300"), contact material (Brass versus Copper Alloy), and insulation material (Polyester versus Thermoplastic, Glass Filled). These variations require verification of PCB layout and clearance specifications. The 0026645040 is ROHS3 compliant and REACH unaffected. This part is suitable for applications where cross-manufacturer sourcing is required or where the increased insulation height and longer contact post provide design advantages.

Frequently Asked Questions (FAQ)

Q: Can the 3-644617-4 be used as a direct replacement for the 644617-4?

A: Yes. The 3-644617-4 is electrically and mechanically equivalent to the 644617-4. Both components share identical pitch (0.156"), position count (4), mounting type (through-hole right-angle), and termination method (solder). The primary difference is contact finish (Tin versus Tin-Lead), which does not affect functional compatibility. The 3-644617-4 is the recommended substitute due to active product status and improved compliance.

Q: What are the key differences between the TE Connectivity 3-644617-4 and the Molex 0026645040?

A: Both parts maintain identical mating pitch, position count, mounting configuration, and fastening type. The Molex part differs in contact post length (0.156" versus 0.125"), insulation height (0.394" versus 0.300"), contact material (Brass versus Copper Alloy), and insulation material (Polyester versus Thermoplastic, Glass Filled). These differences require verification of PCB layout clearances and mechanical fit before implementation.

Q: Are there packaging differences between these substitutes?

A: The 644617-4 original part does not specify packaging information. Both the 3-644617-4 and 0026645040 are supplied in bulk packaging. Packaging configuration should be confirmed with the supplier based on procurement volume requirements.

Q: Do all three parts meet the same compliance standards?

A: The 644617-4 is RoHS non-compliant. Both the 3-644617-4 and 0026645040 are ROHS3 compliant. All three parts achieve UL94 V-0 material flammability rating and MSL 1 (Unlimited) moisture sensitivity level. The 0026645040 is additionally REACH unaffected.

Q: What is the operating temperature range for the Molex 0026645040?

A: The operating temperature range is not specified in the available data for the Molex 0026645040. The TE Connectivity parts (644617-4 and 3-644617-4) are rated for -55°C ~ 105°C. Confirmation of operating temperature specifications for the Molex part should be obtained from the manufacturer datasheet.

Q: Can these parts be used interchangeably in existing PCB designs?

A: The 3-644617-4 can be used interchangeably with the 644617-4 without PCB modification. The Molex 0026645040 requires verification of PCB layout due to differences in contact post length (0.156" versus 0.125") and insulation height (0.394" versus 0.300"). PCB clearance and hole depth specifications must be confirmed before substitution.