TE Connectivity 2-640440-2 Rectangular Connector Equivalent & Substitute Parts

Part Overview

The TE Connectivity 2-640440-2 is a 22-position rectangular receptacle connector from the MTA-100 series, designed for IDC (Insulation Displacement Contact) termination with 22 AWG discrete or ribbon cable. This connector features tin-lead contact finish, a closed-end design, and right-angle mounting configuration with locking ramp fastening.

The 2-640440-2 is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing maintenance, repair, and replacement requirements for legacy systems utilizing this connector specification.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	22
Pitch	0.100" (2.54mm)
Number of Rows	1
Contact Type	Female Socket
Cable Termination Method	IDC
Wire Gauge	22 AWG
Wire Type	Discrete or Ribbon Cable
Mounting Type	Free Hanging (In-Line), Right Angle
Fastening Type	Locking Ramp
Features	Closed End
Series	MTA-100

Substitute Part Grouping Explanation

Substitution of the 2-640440-2 is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Substitution Parameters:

Connector type (Receptacle)
Number of positions (22)
Pitch specification (0.100" / 2.54mm)
Number of rows (1)
Contact type (Female Socket)
Cable termination method (IDC)
Wire gauge compatibility (22 AWG)
Wire type support (Discrete or Ribbon Cable)
Mounting configuration (Free Hanging In-Line, Right Angle)
Fastening mechanism (Locking Ramp)
Closed-end design

The substitute part 5-640440-2 maintains identical electrical and mechanical specifications across all critical parameters, ensuring direct functional equivalence within the MTA-100 series.

Parameter Comparison

Parameter	2-640440-2 (Main Part)	5-640440-2 (Substitute)	Compatibility
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	Identical
Series	MTA-100	MTA-100	Identical
Connector Type	Receptacle	Receptacle	Identical
Number of Positions	22	22	Identical
Contact Type	Female Socket	Female Socket	Identical
Pitch	0.100" (2.54mm)	0.100" (2.54mm)	Identical
Number of Rows	1	1	Identical
Mounting Type	Free Hanging (In-Line), Right Angle	Free Hanging (In-Line), Right Angle	Identical
Fastening Type	Locking Ramp	Locking Ramp	Identical
Cable Termination	IDC	IDC	Identical
Wire Type	Discrete or Ribbon Cable	Discrete or Ribbon Cable	Identical
Wire Gauge	22 AWG	22 AWG	Identical
Features	Closed End	Closed End	Identical
Contact Finish	Tin-Lead	Tin	Compatible
Contact Finish Thickness	80.0µin (2.03µm)	80.0µin (2.03µm)	Identical
Color	Red	Red	Identical
Product Status	Obsolete	Active	Upgrade Available
RoHS Status	RoHS non-compliant	RoHS Compliant	Compliant Alternative

Engineering Selection Recommendations

The 5-640440-2 serves as the direct substitute for the obsolete 2-640440-2. Both connectors are manufactured by TE Connectivity within the MTA-100 series and maintain identical electrical and mechanical specifications across all critical parameters.

Product Status Consideration: The 2-640440-2 is classified as obsolete, while the 5-640440-2 maintains active product status. This distinction ensures continued availability and manufacturing support for the substitute part.

Compliance Advantage: The 5-640440-2 is RoHS compliant, whereas the 2-640440-2 is RoHS non-compliant. For applications subject to RoHS requirements or environmental regulations, the 5-640440-2 provides regulatory alignment.

Contact Finish Difference: The 2-640440-2 features tin-lead contact finish, while the 5-640440-2 uses tin finish. Both maintain identical contact finish thickness of 80.0µin (2.03µm). The tin finish of the substitute part is compatible with the electrical and mechanical requirements of the MTA-100 series.

Selection of the 5-640440-2 is appropriate for new designs, legacy system replacements, and applications requiring RoHS compliance or extended product availability.

Frequently Asked Questions (FAQ)

Q: Can the 5-640440-2 directly replace the 2-640440-2 in existing applications?

A: Yes. The 5-640440-2 maintains identical electrical and mechanical specifications across all critical parameters including connector type, position count, pitch, contact configuration, termination method, wire gauge, mounting type, and fastening mechanism. Direct substitution is supported.

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

A: The 2-640440-2 uses tin-lead contact finish, while the 5-640440-2 uses tin finish. Both maintain the same contact finish thickness of 80.0µin (2.03µm). The tin finish of the substitute part is compatible with MTA-100 series specifications and electrical requirements.

Q: Why is the 2-640440-2 listed as obsolete?

A: The 2-640440-2 has reached end-of-life status. The 5-640440-2 is the active equivalent within the MTA-100 series, ensuring continued manufacturing support and availability.

Q: Does the RoHS compliance difference affect compatibility?

A: The RoHS compliance difference does not affect electrical or mechanical compatibility. The 5-640440-2 is RoHS compliant, making it suitable for applications subject to RoHS requirements or environmental regulations. The 2-640440-2 is RoHS non-compliant.

Q: Are both connectors compatible with 22 AWG discrete and ribbon cable?

A: Yes. Both the 2-640440-2 and 5-640440-2 support 22 AWG discrete or ribbon cable termination via IDC method.

Q: What is the pitch specification for these connectors?

A: Both connectors feature a 0.100" (2.54mm) pitch, which is the standard spacing between contact positions in the MTA-100 series.

Q: Can these connectors be used in right-angle mounting applications?

A: Yes. Both connectors support free-hanging in-line and right-angle mounting configurations with locking ramp fastening.

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