TE Connectivity 641209-9 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 641209-9 is an active rectangular connector header designed for through-hole mounting applications. This 9-position, single-row connector operates within the MTA-156 series and is configured for board-to-cable/wire connections with friction lock fastening. The connector features shrouded design with one wall, gold-plated mating contacts, and tin-lead plated posts for reliable solder termination in general purpose and industrial applications.

Substitute parts are identified to address inventory availability, packaging requirements, or specific contact finish specifications while maintaining electrical and mechanical compatibility.

Substiute Parts

641209-9

TE Connectivity AMP ConnectorsIn Stock: 1135641209-9 Datasheet

Current PartRFQ

3-641209-9

TE Connectivity AMP ConnectorsIn Stock: 31123-641209-9 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for rectangular connector headers is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Pitch - Mating: 0.156" (3.96mm)
• Number of Positions: 9
• Number of Rows: 1
• Voltage Rating: 600VAC
• Operating Temperature Range: -55°C to 105°C

Mechanical Compatibility Parameters:

• Connector Type: Header
• Contact Type: Male Pin
• Mounting Type: Through Hole
• Termination: Solder
• Shrouding: Shrouded - 1 Wall
• Fastening Type: Friction Lock

Material & Compliance Parameters:

• Contact Material: Copper Alloy
• Insulation Material: Thermoplastic, Glass Filled
• Material Flammability Rating: UL94 V-0
• RoHS Status: RoHS Compliant

The substitute part 3-641209-9 maintains full equivalence across all electrical, mechanical, and compliance parameters. The primary difference is packaging configuration (bulk versus standard) and contact finish specification on the post (tin versus tin-lead).

Parameter Comparison

Engineering Selection Recommendations

Both the 641209-9 and 3-641209-9 are active products from TE Connectivity AMP Connectors and maintain full RoHS compliance and UL94 V-0 flammability certification. Selection between these parts is determined by packaging and inventory requirements rather than electrical or mechanical performance.

641209-9 is appropriate for standard packaging applications with moderate volume requirements. Current inventory of 1085 pieces supports typical production schedules.

3-641209-9 is appropriate for bulk packaging applications and high-volume production runs. Current inventory of 3004 pieces provides extended supply availability. The contact finish specification on the post (tin versus tin-lead) does not affect functional compatibility in solder termination applications.

Both parts operate identically within the specified temperature range of -55°C to 105°C and maintain the same electrical performance at 600VAC rating. Selection should be based on packaging format compatibility with procurement and assembly processes.

Frequently Asked Questions (FAQ)

Q: Are 641209-9 and 3-641209-9 electrically interchangeable?

A: Yes. Both parts maintain identical electrical specifications including 600VAC voltage rating, -55°C to 105°C operating temperature range, and 0.156" (3.96mm) pitch configuration. The 9-position, single-row header design is functionally equivalent across all electrical parameters.

Q: What is the difference between these two part numbers?

A: The primary differences are packaging format (standard versus bulk) and contact finish specification on the post (tin-lead versus tin). Both differences are non-functional in terms of electrical performance and mechanical compatibility.

Q: Can I substitute 3-641209-9 for 641209-9 in existing designs?

A: Yes. The 3-641209-9 maintains full mechanical and electrical compatibility with 641209-9. The connector dimensions, mating pitch, contact configuration, and performance specifications are identical. Packaging format and post finish do not affect board-level compatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both 641209-9 and 3-641209-9 are RoHS compliant and carry UL94 V-0 flammability certification, meeting current regulatory requirements for industrial and general purpose applications.

Q: What does the contact finish difference (tin-lead versus tin) mean for solder termination?

A: Both tin-lead and tin post finishes are suitable for solder termination applications. The contact finish on the post supports the solder joint formation during through-hole assembly. This specification difference does not affect the functional performance or reliability of the solder connection.

Q: Which part should I select for high-volume production?

A: The 3-641209-9 is appropriate for high-volume applications due to bulk packaging format and higher current inventory (3004 pieces versus 1085 pieces). Bulk packaging typically aligns with automated assembly processes and large production runs.

Q: Are the mechanical dimensions identical between these parts?

A: Yes. Both parts share identical mechanical specifications including overall contact length of 0.650" (16.51mm), insulation height of 0.425" (10.80mm), and all mating contact dimensions. Through-hole mounting compatibility is identical.