TE Connectivity AMP Connectors 644487-3 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 644487-3 is a rectangular connector header designed for through-hole mounting applications. This connector is a vertical 3-position header with 0.100" (2.54mm) pitch spacing, commonly used in board-to-cable and board-to-wire configurations. The part operates within the MTA-100 series and features shrouded 4-wall construction with friction lock fastening.

The 644487-3 carries an obsolete product status, making identification of equivalent and substitute components essential for ongoing design support, maintenance, and production continuity. Active equivalent parts within the same series provide direct functional replacement while maintaining electrical and mechanical compatibility.

Substiute Parts

644487-3

TE Connectivity AMP ConnectorsIn Stock: 946644487-3 Datasheet

Current PartRFQ

2-644487-3

TE Connectivity AMP ConnectorsIn Stock: 28342-644487-3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 644487-3 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Connector type (Header)
• Contact type (Male Pin)
• Number of positions (3)
• Pitch spacing (0.100" / 2.54mm)
• Voltage rating (250VAC)
• Operating temperature range (-55°C ~ 105°C)

Mechanical Compatibility Parameters:

• Mounting type (Through Hole)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Solder)
• Fastening type (Friction Lock)
• Contact shape (Square)
• Insulation material (Polyester)

Regulatory Compliance Parameters:

• Material flammability rating (UL94 V-0)
• RoHS compliance status

The substitute part 2-644487-3 maintains full equivalence across all critical parameters. The primary distinction between the main part and its substitute is product status (obsolete versus active) and packaging configuration (standard versus bulk), with minor variation in contact finish post material (Tin-Lead versus Tin).

Parameter Comparison

Engineering Selection Recommendations

The 2-644487-3 serves as the direct equivalent for the obsolete 644487-3. Both components share identical electrical and mechanical specifications within the MTA-100 series, ensuring functional interchangeability in board-to-cable and board-to-wire applications.

Product Status Consideration: The 644487-3 is classified as obsolete, while the 2-644487-3 maintains active product status. For new designs, production continuity, and long-term component availability, the 2-644487-3 is the appropriate selection.

Compliance and Certification: Both parts maintain UL94 V-0 material flammability ratings and comply with RoHS directives. The 644487-3 carries ROHS3 compliance designation, while the 2-644487-3 carries RoHS compliance designation. Both are classified as REACH Unaffected or Vendor Undefined, with EAR99 export classification.

Contact Finish Variation: The substitute part 2-644487-3 features Tin contact finish on the post termination, compared to Tin-Lead on the main part. This variation reflects modern manufacturing standards and does not affect electrical or mechanical compatibility for general-purpose applications operating within the specified temperature and voltage ranges.

Packaging and Inventory: The 2-644487-3 is available in bulk packaging with significantly higher inventory levels (2822 pieces) compared to the obsolete 644487-3 (895 pieces), supporting production requirements and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the 2-644487-3 directly replace the 644487-3 in existing designs?

A: Yes. The 2-644487-3 maintains full electrical and mechanical equivalence to the 644487-3 across all critical parameters including connector type, contact configuration, pitch spacing, mounting method, shrouding, termination, and operating specifications. Direct substitution is supported without design modification.

Q: What is the significance of the contact finish difference between Tin-Lead and Tin?

A: The contact finish difference reflects manufacturing process updates. Both finishes provide equivalent electrical conductivity and corrosion resistance for general-purpose applications. The Tin finish on the 2-644487-3 aligns with current industry standards and RoHS compliance requirements.

Q: Why is the 644487-3 classified as obsolete?

A: Obsolescence typically reflects manufacturer discontinuation of production. The active equivalent 2-644487-3 provides continued access to the same connector functionality within the MTA-100 series.

Q: Are there packaging differences between the two parts?

A: The 644487-3 is supplied in standard packaging, while the 2-644487-3 is supplied in bulk packaging. Both contain identical connector components; packaging configuration differs only in quantity and presentation format.

Q: What applications are these connectors suitable for?

A: Both the 644487-3 and 2-644487-3 are classified for general-purpose applications. The 3-position, 0.100" pitch configuration supports board-to-cable and board-to-wire interconnections operating within -55°C to 105°C temperature range and 250VAC voltage rating.

Q: Are both parts RoHS compliant?

A: Yes. The 644487-3 carries ROHS3 compliance designation, and the 2-644487-3 carries RoHS compliance designation. Both meet RoHS requirements for restricted substance elimination.

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

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