TE Connectivity AMP Connectors 647401-7 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 647401-7 is a 7-position rectangular connector receptacle housing designed for 0.156" (3.96mm) pitch applications. This connector operates within the SL-156 series and is classified as a free-hanging, in-line receptacle with crimp contact termination and locking ramp fastening. The part is currently active in production status with full RoHS compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory optimization, or supply chain continuity.

Key Parameters

Parameter	Specification
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	7
Pitch	0.156" (3.96mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Fastening Type	Locking Ramp
Insulation Material	Polyamide (PA), Nylon
Operating Temperature Range	-55°C ~ 105°C
Color	Natural
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the 647401-7 are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters that must remain identical:

Connector type (Receptacle)
Contact type (Female Socket)
Number of positions (7)
Pitch specification (0.156" / 3.96mm)
Number of rows (1)
Mounting type (Free Hanging, In-Line)
Contact termination method (Crimp)
Fastening type (Locking Ramp)
Insulation material (Polyamide/Nylon)
Operating temperature range (-55°C ~ 105°C)
Color (Natural)
Moisture sensitivity level (1 / Unlimited)

All substitute parts listed maintain these parameters without deviation. Substitutes are drawn from the same manufacturer (TE Connectivity AMP Connectors) and series (SL-156), ensuring mechanical and electrical interchangeability within the specified design envelope.

Parameter Comparison

Parameter	647401-7	2132189-7	640250-7
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors
Series	SL-156	SL-156	SL-156
Connector Type	Receptacle	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket	Female Socket
Number of Positions	7	7	7
Pitch	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)
Number of Rows	1	1	1
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Termination	Crimp	Crimp	Crimp
Fastening Type	Locking Ramp	Locking Ramp	Locking Ramp
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Polyamide (PA), Nylon
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Color	Natural	Natural	Natural
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant
ECCN	EAR99	EAR99	EAR99

Engineering Selection Recommendations

All three parts—647401-7, 2132189-7, and 640250-7—are functionally equivalent and maintain active production status. Selection between these parts is based on availability and compliance requirements:

647401-7: RoHS Compliant status with 662 units in stock. Suitable for applications requiring standard RoHS compliance.

2132189-7: ROHS3 Compliant status with 943 units in stock. Appropriate for applications requiring enhanced RoHS3 compliance certification.

640250-7: RoHS Compliant status with 3774 units in stock. Highest inventory availability for immediate procurement needs.

All parts carry EAR99 export classification and are classified as Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly. Selection should prioritize inventory availability and specific compliance certifications required by the end application or regulatory framework.

Frequently Asked Questions (FAQ)

Q: Are these parts mechanically interchangeable?

A: Yes. All three parts share identical mechanical specifications including connector type, position count, pitch, mounting configuration, and fastening method. They are direct mechanical substitutes within the SL-156 series.

Q: What is the difference between RoHS Compliant and ROHS3 Compliant?

A: Both certifications indicate compliance with Restriction of Hazardous Substances directives. ROHS3 represents a more recent certification standard. The choice between them depends on specific regulatory or customer requirements for the end application.

Q: Do these connectors include contacts?

A: No. All three parts are housings only. Contacts are not included and must be procured separately as specified in the design documentation.

Q: Can I substitute 640250-7 for 647401-7 in an existing design?

A: Yes. The 640250-7 maintains all electrical and mechanical parameters required for direct substitution. The primary difference is higher inventory availability.

Q: What is the significance of Moisture Sensitivity Level 1?

A: MSL 1 (Unlimited) indicates that these connectors have no moisture sensitivity restrictions. They do not require special dry-pack storage or time-limited exposure protocols during handling and assembly.

Q: Are all parts from the same manufacturer?

A: Yes. All three parts are manufactured by TE Connectivity AMP Connectors and belong to the SL-156 connector series.

Q: What is the operating temperature range for these connectors?

A: All three parts operate within the range of -55°C to 105°C, suitable for industrial and commercial applications with extended temperature requirements.

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