TE Connectivity 3-647271-3 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 3-647271-3 is a shrouded vertical rectangular connector header designed for through-hole mounting in board-to-cable/wire applications. This component features a 6-position configuration with 0.156" (3.96mm) pitch spacing and is part of the MTA-156 series. The part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain electrical and mechanical compatibility while offering current product availability and support.

Substiute Parts

3-647271-3

TE Connectivity AMP ConnectorsIn Stock: 9723-647271-3 Datasheet

Current PartRFQ

3-641208-6

TE Connectivity AMP ConnectorsIn Stock: 19663-641208-6 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 3-647271-3 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Connector type (Header)
• Contact type (Male Pin)
• Number of positions (6)
• Pitch spacing (0.156" / 3.96mm)
• Voltage rating (600VAC)
• Operating temperature range (-55°C ~ 105°C)

Mechanical Compatibility Parameters:

• Mounting type (Through Hole)
• Shrouding configuration (Shrouded - 1 Wall)
• Termination method (Solder)
• Contact shape (Square)
• Insulation material (Thermoplastic, Glass Filled)
• Flammability rating (UL94 V-0)

Physical Dimensions:

• Contact length - mating (0.400" / 10.16mm)
• Contact length - post (0.125" / 3.18mm)
• Overall contact length (0.650" / 16.51mm)
• Insulation height (0.425" / 10.80mm)

The substitute part 3-641208-6 maintains full equivalence across all specified parameters while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 3-641208-6 is the direct functional equivalent for the obsolete 3-647271-3. Both components are manufactured by TE Connectivity within the MTA-156 series and maintain identical electrical and mechanical specifications across all critical parameters.

Product Status Consideration: The 3-641208-6 carries active product status, ensuring continued manufacturer support, availability, and compliance with current regulatory requirements. The 3-647271-3 is classified as obsolete and subject to discontinuation without notice.

Compliance Status: Both parts maintain UL94 V-0 flammability certification and comply with environmental regulations. The 3-641208-6 carries ROHS3 compliance, representing the current regulatory standard. Both parts are classified as REACH Unaffected and carry EAR99 export classification.

Availability: The 3-641208-6 demonstrates superior inventory availability (1926 units) compared to the 3-647271-3 (912 units), supporting both immediate requirements and long-term supply chain stability.

Packaging: The 3-641208-6 is supplied in bulk packaging, suitable for production environments. The 3-647271-3 packaging specification is not provided.

For new designs and ongoing production, the 3-641208-6 is the appropriate selection based on active product status and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Are the 3-647271-3 and 3-641208-6 electrically interchangeable?

A: Yes. Both components are rated for 600VAC operation, maintain identical operating temperature ranges (-55°C ~ 105°C), and feature equivalent contact materials, finishes, and dimensions. They are electrically interchangeable in all applications where the 3-647271-3 was specified.

Q: Are the 3-647271-3 and 3-641208-6 mechanically interchangeable?

A: Yes. Both components feature identical mounting configurations (through-hole), shrouding (shrouded - 1 wall), termination method (solder), and physical dimensions. They mount identically on printed circuit boards and accept the same mating connectors.

Q: What is the primary difference between these two parts?

A: The primary difference is product status. The 3-647271-3 is obsolete, while the 3-641208-6 is active. The 3-641208-6 also carries ROHS3 compliance and is available in bulk packaging. All electrical and mechanical specifications are identical.

Q: Why should I transition from the 3-647271-3 to the 3-641208-6?

A: Transition is necessary because the 3-647271-3 is obsolete and subject to discontinuation. The 3-641208-6 provides equivalent functionality with active product status, ensuring long-term availability and manufacturer support.

Q: Are there any performance differences between these parts?

A: No. Both components maintain identical voltage ratings, current handling capabilities (varies by wire gauge), operating temperature ranges, and flammability certifications. Performance is equivalent across all specified parameters.

Q: What is the difference in packaging between these parts?

A: The 3-641208-6 is supplied in bulk packaging, suitable for production environments. The 3-647271-3 packaging specification is not provided in the available documentation.

Q: Can I use the 3-641208-6 as a direct replacement in existing assemblies?

A: Yes. The 3-641208-6 is a direct replacement for the 3-647271-3. No design modifications, PCB changes, or connector requalification are required. The parts are mechanically and electrically identical.

Q: Are both parts RoHS compliant?

A: Yes. The 3-647271-3 is RoHS Compliant. The 3-641208-6 is ROHS3 Compliant, representing the current regulatory standard. Both parts meet RoHS requirements.

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

A: Both components carry Moisture Sensitivity Level (MSL) 1, indicating unlimited shelf life without special moisture control measures during storage or handling.