TE Connectivity AMP Connectors 4-644540-5 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 4-644540-5 is a 15 Position Rectangular Receptacle Connector with IDC termination, tin contact finish, and 22 AWG wire gauge rating. This connector belongs to the MTA-100 series and features a 0.100" (2.54mm) pitch with feed-through capability and locking ramp fastening. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives for ongoing procurement and system maintenance.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	15
Pitch	0.100" (2.54mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line), Right Angle
Fastening Type	Locking Ramp
Cable Termination	IDC
Wire Gauge	22 AWG
Wire Type	Discrete or Ribbon Cable
Features	Feed Through
Contact Finish	Tin
Color	Red
Series	MTA-100

Substitute Part Grouping Explanation

Substitution of the 4-644540-5 is determined by strict equivalence across the following critical parameters: connector type (receptacle), contact type (female socket), number of positions (15), pitch (0.100"), number of rows (1), mounting type (free hanging in-line and right angle), fastening type (locking ramp), cable termination method (IDC), wire gauge (22 AWG), wire type (discrete or ribbon cable), and feed-through feature. The substitute part 1-640620-5 maintains identical specifications across all these parameters, with the exception of contact finish material. The 4-644540-5 features a tin contact finish, while the 1-640620-5 features a tin-lead contact finish. Both parts share the same contact finish thickness (80.0µin / 2.03µm), series designation (MTA-100), and moisture sensitivity level (MSL 1 - Unlimited).

Parameter Comparison

Parameter	4-644540-5 (Main Part)	1-640620-5 (Substitute)	Match Status
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	Identical
Series	MTA-100	MTA-100	Identical
Connector Type	Receptacle	Receptacle	Identical
Contact Type	Female Socket	Female Socket	Identical
Number of Positions	15	15	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 Gauge	22 AWG	22 AWG	Identical
Wire Type	Discrete or Ribbon Cable	Discrete or Ribbon Cable	Identical
Features	Feed Through	Feed Through	Identical
Contact Finish Thickness	80.0µin (2.03µm)	80.0µin (2.03µm)	Identical
Color	Red	Red	Identical
Contact Finish	Tin	Tin-Lead	Different
Product Status	Obsolete	Active	Different
RoHS Status	ROHS3 Compliant	RoHS non-compliant	Different
MSL Rating	1 (Unlimited)	1 (Unlimited)	Identical
ECCN	EAR99	EAR99	Identical
HTSUS Code	8536.69.8000	8536.69.8000	Identical

Engineering Selection Recommendations

The 1-640620-5 serves as a direct functional substitute for the obsolete 4-644540-5 across all mechanical and electrical parameters. The primary distinction between these parts is the contact finish material: the 4-644540-5 uses pure tin, while the 1-640620-5 uses tin-lead. Additionally, the 4-644540-5 maintains ROHS3 compliance, whereas the 1-640620-5 is RoHS non-compliant due to its tin-lead contact finish composition.

Selection between these parts depends on regulatory and environmental requirements. Applications subject to RoHS3 compliance mandates must utilize the 4-644540-5 or identify alternative active parts with compliant contact finishes. Applications without RoHS compliance constraints may utilize the 1-640620-5, which is currently in active production status and available in inventory. The 1-640620-5 is the only documented substitute within the provided data set.

Frequently Asked Questions (FAQ)

Q: Can the 1-640620-5 be used as a direct replacement for the 4-644540-5 in all applications?

A: The 1-640620-5 is mechanically and electrically compatible with the 4-644540-5 across all specified parameters. However, regulatory compliance must be evaluated. The 4-644540-5 is ROHS3 compliant with tin contact finish, while the 1-640620-5 is RoHS non-compliant with tin-lead contact finish. Applications requiring RoHS3 compliance cannot use the 1-640620-5.

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

A: Both finishes are provided in the specifications with identical thickness (80.0µin / 2.03µm). The tin finish in the 4-644540-5 complies with RoHS3 regulations, while the tin-lead finish in the 1-640620-5 does not. The choice depends on regulatory requirements and application constraints.

Q: Why is the 4-644540-5 classified as obsolete?

A: The 4-644540-5 is marked as obsolete in the product status field. The 1-640620-5 is the active equivalent currently available from TE Connectivity AMP Connectors for the MTA-100 series 15-position receptacle connector with IDC termination.

Q: Are there packaging differences between these parts?

A: The 4-644540-5 is listed with bulk packaging. The 1-640620-5 packaging information is not specified in the provided data. Contact the manufacturer for current packaging options.

Q: Do both parts support the same wire gauges and termination methods?

A: Yes. Both the 4-644540-5 and 1-640620-5 support 22 AWG wire gauge, IDC cable termination, and discrete or ribbon cable types with feed-through capability.

Q: What is the pitch specification for these connectors?

A: Both connectors feature a 0.100" (2.54mm) pitch with single-row, 15-position configuration. This pitch is standard for the MTA-100 series.

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