TE Connectivity 1-644486-2 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1-644486-2 is a shrouded vertical connector header for through-hole mounting, designed for board-to-cable/wire applications. This 12-position header operates at 250VAC with a 0.100" (2.54mm) pitch and features tin-lead plated copper alloy contacts. The part is classified as obsolete, necessitating identification of active equivalent components that maintain electrical and mechanical compatibility for continued system support and new production applications.

Substiute Parts

1-644486-2

TE Connectivity AMP ConnectorsIn Stock: 12311-644486-2 Datasheet

Current PartRFQ

3-644486-2

TE Connectivity AMP ConnectorsIn Stock: 17383-644486-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1-644486-2 with the 3-644486-2 is based on strict equivalence of the following critical parameters:

Electrical Compatibility Parameters:

• Connector type (Header)
• Contact type (Male Pin)
• Number of positions (12)
• Pitch specification (0.100" / 2.54mm)
• Voltage rating (250VAC)
• Operating temperature range (-55°C ~ 105°C)
• Contact material (Copper Alloy)

Mechanical Compatibility Parameters:

• Mounting type (Through Hole)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Solder)
• Fastening type (Friction Lock)
• Contact dimensions (Mating length 0.200", Post length 0.140", Overall 0.440")
• Insulation height (0.410")
• Insulation material (Polyester)
• Flammability rating (UL94 V-0)

The 3-644486-2 maintains full dimensional and electrical compatibility with the 1-644486-2 while offering active product status and improved regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The 3-644486-2 is the direct active equivalent for the obsolete 1-644486-2. Both components share identical electrical and mechanical specifications within the MTA-100 series, ensuring pin-for-pin and footprint compatibility.

Product Status Consideration: The 1-644486-2 is classified as obsolete, while the 3-644486-2 maintains active product status with confirmed inventory availability. Selection of the active equivalent ensures long-term supply chain continuity and access to manufacturer support.

Regulatory Compliance: The 3-644486-2 achieves ROHS3 compliance and REACH Unaffected status, compared to the non-compliant status of the 1-644486-2. This distinction is significant for applications subject to environmental and hazardous substance regulations.

Contact Finish Specification: The primary technical difference is the contact finish specification. The 1-644486-2 features tin-lead plating, while the 3-644486-2 uses tin plating. Both finishes are compatible with standard solder assembly processes and provide equivalent electrical performance for general-purpose applications at the specified voltage and temperature ratings.

Packaging: The 3-644486-2 is supplied in bulk packaging, whereas the 1-644486-2 packaging specification is not defined. This distinction affects procurement and inventory management but does not impact functional compatibility.

Frequently Asked Questions (FAQ)

Q: Are the 1-644486-2 and 3-644486-2 pin-for-pin compatible?

A: Yes. Both components are 12-position headers with identical pitch (0.100" / 2.54mm), contact dimensions, and mounting configurations. They are fully pin-for-pin compatible and share the same PCB footprint.

Q: What is the difference between tin-lead and tin contact finishes?

A: The 1-644486-2 uses tin-lead plating, while the 3-644486-2 uses tin plating. Both finishes provide equivalent electrical conductivity and solder wettability for standard assembly processes. The tin finish of the 3-644486-2 reflects modern RoHS compliance requirements.

Q: Can I use the 3-644486-2 as a direct replacement in existing designs?

A: Yes. The 3-644486-2 maintains full electrical and mechanical compatibility with the 1-644486-2. No design modifications are required for substitution.

Q: Why is the 1-644486-2 classified as obsolete?

A: The 1-644486-2 has been superseded by the 3-644486-2 within the TE Connectivity product portfolio. The active equivalent offers improved regulatory compliance and continued manufacturer support.

Q: What is the significance of ROHS3 compliance on the 3-644486-2?

A: ROHS3 compliance indicates that the 3-644486-2 meets current European Union restrictions on hazardous substances. This is required for products sold in regulated markets and is not applicable to the obsolete 1-644486-2.

Q: Are there any temperature or voltage limitations when substituting these parts?

A: No. Both components operate identically across the -55°C to 105°C temperature range and are rated for 250VAC. Substitution does not introduce any operational limitations.

Q: What is the current rating for these connectors?

A: The current rating varies by wire gauge. Refer to the mating wire specifications and TE Connectivity documentation for current capacity based on your specific wire gauge selection.

Q: Is the board guide feature present on both components?

A: Yes. Both the 1-644486-2 and 3-644486-2 include the board guide feature for alignment during assembly.