TE Connectivity AMP Connectors 644489-3 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 644489-3 is a rectangular connector header designed for through-hole, right-angle mounting applications. This connector features a 3-position configuration with 0.100" (2.54mm) pitch spacing, suitable for board-to-cable/wire connections in general-purpose applications. The part is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure ongoing component availability for production and repair operations.

Substiute Parts

644489-3

TE Connectivity AMP ConnectorsIn Stock: 784644489-3 Datasheet

Current PartRFQ

2-644489-3

TE Connectivity AMP ConnectorsIn Stock: 9282-644489-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 644489-3 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Pitch - Mating: 0.100" (2.54mm)
• Number of Positions: 3
• Contact Type: Male Pin
• Voltage Rating: 250VAC
• Operating Temperature Range: -55°C ~ 105°C

Mechanical Compatibility Parameters:

• Connector Type: Header
• Mounting Type: Through Hole, Right Angle
• Shrouding: Shrouded - 4 Wall
• Contact Length - Mating: 0.200" (5.08mm)
• Contact Length - Post: 0.130" (3.30mm)
• Insulation Height: 0.343" (8.71mm)
• Contact Shape: Square

Material & Environmental Parameters:

• Contact Material: Copper Alloy
• Insulation Material: Polyester
• Material Flammability Rating: UL94 V-0
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part 2-644489-3 maintains full equivalence across all critical parameters, with the primary distinction being product status transition from obsolete to active and RoHS compliance upgrade.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 2-644489-3 serves as the direct functional equivalent to the obsolete 644489-3 model. Selection of the substitute part is supported by the following engineering criteria:

Product Status Transition: The 644489-3 is classified as obsolete, while the 2-644489-3 maintains active product status with current manufacturing support and documented availability.

Regulatory Compliance: The substitute part 2-644489-3 achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This compliance upgrade aligns with current regulatory requirements for electronic component procurement in regulated industries and markets.

Electrical and Mechanical Equivalence: All critical electrical parameters (voltage rating, operating temperature range, contact configuration) and mechanical parameters (pitch spacing, mounting type, shrouding, contact dimensions) are identical between the two parts, ensuring direct functional interchangeability in existing circuit designs and PCB layouts.

Contact Finish Modification: The substitute part features tin-plated post contacts compared to the tin-lead finish of the original part. This modification reflects current manufacturing standards and environmental compliance practices while maintaining electrical performance and solderability characteristics.

Environmental Specifications: Both parts maintain identical moisture sensitivity levels, flammability ratings, and material compositions, confirming compatibility across environmental operating conditions and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the 2-644489-3 be used as a direct replacement for the 644489-3 in existing designs?

A: Yes. The 2-644489-3 is electrically and mechanically equivalent to the 644489-3 across all critical parameters including pitch spacing, number of positions, contact configuration, voltage rating, and operating temperature range. No design modifications are required for substitution.

Q: What is the significance of the RoHS compliance difference between these parts?

A: The original 644489-3 is RoHS non-compliant, while the 2-644489-3 achieves ROHS3 compliance. This distinction is relevant for procurement in regulated markets and industries with mandatory RoHS requirements. The substitute part satisfies these regulatory obligations.

Q: Are there differences in contact finish that affect soldering or electrical performance?

A: The 644489-3 features tin-lead post contacts, while the 2-644489-3 uses tin-plated posts. Both finishes are compatible with standard solder processes and maintain equivalent electrical performance. The tin finish reflects current manufacturing standards and environmental compliance practices.

Q: What is the packaging difference between these parts?

A: The original 644489-3 packaging specification is not provided. The 2-644489-3 is supplied in bulk packaging. Confirm packaging requirements with your procurement specifications.

Q: Are the mechanical dimensions identical between these parts?

A: Yes. Both parts share identical mechanical specifications including contact length (mating and post), insulation height, contact shape, shrouding configuration, and mounting type. PCB footprints and mechanical clearances are directly compatible.

Q: What is the current availability status of each part?

A: The 644489-3 is obsolete with 709 pieces in stock. The 2-644489-3 is active with 834 pieces in stock, providing ongoing availability and manufacturing support.

Q: Do both parts meet the same environmental and flammability standards?

A: Yes. Both parts maintain identical UL94 V-0 material flammability ratings, moisture sensitivity levels (MSL 1 - Unlimited), and REACH unaffected status, confirming equivalent performance across environmental specifications.

Q: Is the 3-position, 2.54mm pitch configuration standard for this connector series?

A: Yes. The MTA-100 series supports multiple position configurations with 0.100" (2.54mm) pitch spacing. The 3-position header is a standard configuration within this series.