TE Connectivity 1744008-7 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1744008-7 is a 7-position rectangular connector receptacle housing with 0.156" (3.96mm) pitch, designed for free-hanging in-line applications. This SL-156 series component features a polarizing key, natural color finish, and crimp contact termination with locking ramp fastening. The part is Active in product status and RoHS Compliant. Substitute parts are identified when inventory availability requires alternative sourcing or when equivalent electrical and mechanical specifications are required for design flexibility.

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
Color	Natural
Features	Polarizing Key
Operating Temperature Range	-55°C ~ 105°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)
Series	SL-156

Substitute Part Grouping Explanation

Substitute parts for the 1744008-7 are qualified based on strict parametric equivalence across all critical electrical and mechanical specifications. The following parameters determine substitution eligibility:

Critical Matching Parameters:

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
Color: Natural
Features: Polarizing Key
Operating Temperature Range: -55°C ~ 105°C
RoHS Status: RoHS Compliant
Moisture Sensitivity Level: 1 (Unlimited)
Series: SL-156

All substitute parts listed maintain identical specifications across these parameters, ensuring direct functional and mechanical interchangeability within the SL-156 rectangular connector series.

Parameter Comparison

Parameter	1744008-7 (Main)	647402-7 (Substitute)	770849-7 (Substitute)
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors
Category	Rectangular Connectors	Rectangular Connectors	Rectangular 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
Color	Natural	Natural	Natural
Features	Polarizing Key	Polarizing Key	Polarizing Key
Insulation Material	Not Specified	Polyamide (PA), Nylon	Polyamide (PA), Nylon
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active
Inventory (Pcs)	847	2416	6571

Engineering Selection Recommendations

All three parts—1744008-7, 647402-7, and 770849-7—are Active products manufactured by TE Connectivity and maintain full RoHS Compliance with MSL 1 rating. Selection between these parts is based on availability and inventory levels rather than electrical or mechanical performance differences.

Inventory Availability:

1744008-7: 847 units in stock
647402-7: 2,416 units in stock
770849-7: 6,571 units in stock

All parts are suitable for applications requiring 7-position, 0.156" pitch rectangular connectors with crimp termination and locking ramp fastening. The substitute parts 647402-7 and 770849-7 provide higher inventory availability for production requirements. Selection should prioritize part availability aligned with procurement timelines and project demand.

Frequently Asked Questions (FAQ)

Q: Are 647402-7 and 770849-7 direct replacements for 1744008-7?

A: Yes. Both substitute parts maintain identical electrical and mechanical specifications across all critical parameters including connector type, contact configuration, pitch, mounting method, termination type, and operating temperature range. All three parts are SL-156 series receptacles with 7 positions at 0.156" pitch.

Q: What is the difference between the three part numbers?

A: The three parts are functionally equivalent. The primary differences are base product numbers (1744008, 647402, and 770849) and current inventory levels. Insulation material specifications are documented for the substitute parts (Polyamide/Nylon) but not specified for the main part.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. All three parts share identical connector type, contact type, pitch, mounting configuration, and fastening method. They are mechanically and electrically interchangeable within the SL-156 series.

Q: Are there any compliance or certification differences?

A: No. All three parts are RoHS Compliant, carry MSL 1 rating, and are Active products from TE Connectivity. Compliance status is identical across all parts.

Q: Which part should be selected for new designs?

A: Any of the three parts is suitable for new designs. Selection should be based on current inventory availability and procurement lead times. Part 770849-7 offers the highest inventory level at 6,571 units.

Q: Do these connectors include contacts?

A: No. All three parts are connector housings only. Contacts must be sourced separately and are not included with the housing purchase.

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

A: All three parts operate across the range of -55°C to 105°C, suitable for industrial and commercial applications.

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