TE Connectivity AMP Connectors 641120-6 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 641120-6 is a rectangular connector header designed for through-hole mounting applications. This connector features a vertical orientation with 6 positions at 0.156" (3.96mm) pitch, suitable for board-to-cable/wire connections in general purpose and industrial applications. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for continued system support and new design implementations.

Substiute Parts

641120-6
TE Connectivity AMP ConnectorsIn Stock: 825641120-6 Datasheet
641120-6
Current Part
3-641120-6
TE Connectivity AMP ConnectorsIn Stock: 21533-641120-6 Datasheet
3-641120-6
Direct

Key Parameters

Parameter Specification
Manufacturer Part Number 641120-6
Manufacturer TE Connectivity AMP Connectors
Series MTA-156
Connector Type Header
Number of Positions 6
Pitch - Mating 0.156" (3.96mm)
Mounting Type Through Hole
Voltage Rating 600VAC
Operating Temperature -55°C ~ 105°C
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the obsolete 641120-6 is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

  • Voltage Rating: 600VAC
  • Current Rating: Varies by Wire Gauge
  • Operating Temperature Range: -55°C ~ 105°C

Mechanical Parameters:

  • Number of Positions: 6
  • Pitch - Mating: 0.156" (3.96mm)
  • Connector Type: Header
  • Contact Type: Male Pin
  • Mounting Type: Through Hole
  • Shrouding: Shrouded - 1 Wall
  • Termination: Solder
  • Fastening Type: Friction Lock

Material & Compliance Parameters:

  • Contact Material: Copper Alloy
  • Insulation Material: Thermoplastic, Glass Filled
  • Material Flammability Rating: UL94 V-0
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level: 1 (Unlimited)

The substitute part 3-641120-6 maintains full equivalence across all critical parameters, with the distinction of active product status and bulk packaging availability.

Parameter Comparison

Parameter 641120-6 (Main Part) 3-641120-6 (Substitute) Equivalence
Manufacturer TE Connectivity AMP Connectors TE Connectivity AMP Connectors Identical
Series MTA-156 MTA-156 Identical
Connector Type Header Header Identical
Number of Positions 6 6 Identical
Pitch - Mating 0.156" (3.96mm) 0.156" (3.96mm) Identical
Contact Type Male Pin Male Pin Identical
Mounting Type Through Hole Through Hole Identical
Shrouding Shrouded - 1 Wall Shrouded - 1 Wall Identical
Termination Solder Solder Identical
Fastening Type Friction Lock Friction Lock Identical
Contact Length - Mating 0.400" (10.16mm) 0.400" (10.16mm) Identical
Contact Length - Post 0.125" (3.18mm) 0.125" (3.18mm) Identical
Overall Contact Length 0.650" (16.51mm) 0.650" (16.51mm) Identical
Insulation Height 0.425" (10.80mm) 0.425" (10.80mm) Identical
Contact Shape Circular Circular Identical
Contact Finish - Mating Gold Gold Identical
Contact Finish Thickness - Mating 15.0µin (0.38µm) 15.0µin (0.38µm) Identical
Contact Finish - Post Tin-Lead Tin Functionally Equivalent
Contact Material Copper Alloy Copper Alloy Identical
Insulation Material Thermoplastic, Glass Filled Thermoplastic, Glass Filled Identical
Operating Temperature -55°C ~ 105°C -55°C ~ 105°C Identical
Material Flammability Rating UL94 V-0 UL94 V-0 Identical
Insulation Color Natural Natural Identical
Voltage Rating 600VAC 600VAC Identical
Applications General Purpose, Industrial General Purpose, Industrial Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) Identical
Product Status Obsolete Active Substitute is Active
Packaging Not Specified Bulk Bulk Packaging Available

Engineering Selection Recommendations

The substitute part 3-641120-6 is the direct functional equivalent of the obsolete 641120-6. Both parts are manufactured by TE Connectivity AMP Connectors within the MTA-156 series and maintain identical electrical, mechanical, and material specifications across all critical parameters.

Product Status Consideration: The main part 641120-6 carries obsolete status, while the substitute 3-641120-6 maintains active product status. This distinction ensures continued availability, manufacturing support, and compliance with current regulatory standards.

Compliance & Certification: Both parts maintain ROHS3 compliance and UL94 V-0 flammability rating. The substitute part is actively manufactured under current quality and compliance frameworks.

Contact Finish Difference: The substitute part features Tin contact finish on the post, compared to Tin-Lead on the main part. This change reflects modern manufacturing practices aligned with RoHS3 requirements and does not affect electrical or mechanical performance within the specified operating parameters.

Inventory & Availability: The substitute part 3-641120-6 is available in bulk packaging with 2056 pieces in stock, providing superior availability compared to the obsolete main part.

Frequently Asked Questions (FAQ)

Q: Can 3-641120-6 be used as a direct replacement for 641120-6 in existing designs?

A: Yes. The 3-641120-6 is a direct functional equivalent with identical electrical and mechanical specifications. All critical parameters including pitch, number of positions, voltage rating, operating temperature range, and mounting type are identical. The parts are interchangeable at the connector interface level.

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

A: The substitute part uses Tin finish on the post instead of Tin-Lead. This change reflects current manufacturing standards and RoHS3 compliance requirements. Both finishes provide equivalent electrical performance and solder joint reliability within the specified operating parameters.

Q: Are there any compatibility concerns with existing mating connectors?

A: No. The mating interface specifications are identical between both parts. The 0.156" (3.96mm) pitch, male pin contact type, circular contact shape, and all dimensional parameters remain unchanged. Existing mating connectors designed for 641120-6 are fully compatible with 3-641120-6.

Q: What is the difference between the packaging options?

A: The main part 641120-6 packaging is not specified in available documentation. The substitute part 3-641120-6 is supplied in bulk packaging, which is standard for high-volume applications and provides cost efficiency for production environments.

Q: Does the active product status of 3-641120-6 provide any advantages?

A: Yes. Active product status ensures ongoing manufacturing support, compliance with current regulatory standards, and guaranteed availability. The obsolete status of 641120-6 indicates discontinued production and limited future availability.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both parts operate across the identical temperature range of -55°C to 105°C, ensuring equivalent thermal performance in all environmental conditions within specification.

Q: What applications are these connectors suitable for?

A: Both parts are rated for general purpose and industrial applications. The 600VAC voltage rating and UL94 V-0 flammability rating support use in standard industrial control, instrumentation, and general connectivity applications.

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