TE Connectivity 640441-2 Rectangular Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 640441-2 is a 2-position rectangular receptacle connector from the MTA-100 series, designed for IDC (Insulation Displacement Contact) termination with 24 AWG discrete or ribbon cable. This connector features tin-lead contact finish, closed-end design, and locking ramp fastening for secure mating.

The 640441-2 is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing maintenance, repair, and production requirements for legacy systems utilizing this connector type.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	2
Pitch	0.100" (2.54mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line), Right Angle
Cable Termination	IDC
Wire Gauge	24 AWG
Contact Type	Female Socket
Fastening Type	Locking Ramp
Contact Finish Thickness	80.0µin (2.03µm)
Features	Closed End
Color	White
Series	MTA-100

Substitute Part Grouping Explanation

Substitution of the 640441-2 is determined by strict equivalence across the following critical parameters:

Connector Type & Position Count: Receptacle configuration with 2 positions
Pitch & Row Configuration: 0.100" (2.54mm) pitch, single row
Mounting & Fastening: Free hanging in-line and right angle mounting with locking ramp fastening
Cable Termination Method: IDC termination for 24 AWG wire
Contact Specifications: Female socket contacts with 80.0µin (2.03µm) finish thickness
Physical Design: Closed-end housing, white color, MTA-100 series compatibility

The substitute part 3-640441-2 maintains identical mechanical and electrical specifications across all these parameters. The primary difference is the contact finish material (tin versus tin-lead) and product status (active versus obsolete).

Parameter Comparison

Parameter	640441-2 (Main Part)	3-640441-2 (Substitute)
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors
Series	MTA-100	MTA-100
Connector Type	Receptacle	Receptacle
Number of Positions	2	2
Contact Type	Female Socket	Female Socket
Pitch	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	1	1
Mounting Type	Free Hanging (In-Line), Right Angle	Free Hanging (In-Line), Right Angle
Fastening Type	Locking Ramp	Locking Ramp
Cable Termination	IDC	IDC
Wire Type	Discrete or Ribbon Cable	Discrete or Ribbon Cable
Wire Gauge	24 AWG	24 AWG
Features	Closed End	Closed End
Contact Finish Thickness	80.0µin (2.03µm)	80.0µin (2.03µm)
Color	White	White
Contact Finish	Tin-Lead	Tin
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	RoHS Compliant
ECCN	EAR99	EAR99
HTSUS	8536.69.8000	8536.69.8000

Engineering Selection Recommendations

The 3-640441-2 is the direct substitute for the obsolete 640441-2. Both parts are manufactured by TE Connectivity and belong to the MTA-100 series with identical mechanical and electrical specifications.

Product Status Consideration: The 640441-2 is obsolete, while the 3-640441-2 is active. The active status of the substitute ensures ongoing availability and manufacturing support.

Compliance Consideration: The 3-640441-2 is RoHS compliant, whereas the 640441-2 is RoHS non-compliant. Applications subject to RoHS requirements must use the 3-640441-2. The contact finish difference (tin versus tin-lead) is the material basis for this compliance distinction.

Regulatory Status: Both parts share identical ECCN (EAR99) and HTSUS (8536.69.8000) classifications, indicating equivalent export control and tariff treatment.

The 3-640441-2 provides full functional and mechanical compatibility with the 640441-2 while offering improved regulatory compliance and active product status.

Frequently Asked Questions (FAQ)

Q: Can the 3-640441-2 directly replace the 640441-2 in existing applications?

A: Yes. The 3-640441-2 maintains identical specifications for connector type, position count, pitch, mounting configuration, fastening method, cable termination, wire gauge, and contact finish thickness. Mechanical and electrical compatibility is complete.

Q: What is the difference between the tin-lead finish on the 640441-2 and the tin finish on the 3-640441-2?

A: Both contacts maintain the same finish thickness of 80.0µin (2.03µm). The tin finish on the 3-640441-2 eliminates lead content, enabling RoHS compliance. The contact finish thickness ensures equivalent electrical and mechanical performance.

Q: Why is the 640441-2 listed as obsolete?

A: The 640441-2 is no longer in active production. The 3-640441-2 serves as the current production equivalent and is actively manufactured by TE Connectivity.

Q: Are there packaging differences between these parts?

A: The 640441-2 packaging is not specified in the available data. The 3-640441-2 is supplied in bulk packaging. Confirm packaging requirements with your procurement specifications.

Q: Does the RoHS compliance difference affect electrical performance?

A: No. RoHS compliance reflects material composition (lead-free versus lead-containing). Electrical performance, contact resistance, and mechanical function remain equivalent across both parts.

Q: What is the MSL rating for these connectors?

A: Both the 640441-2 and 3-640441-2 carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity limitations for storage or handling.

Q: Are these connectors suitable for both discrete and ribbon cable applications?

A: Yes. Both parts support discrete or ribbon cable termination via IDC method at 24 AWG wire gauge.

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