TE Connectivity AMP 3-647183-7 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP 3-647183-7 is a rectangular connector header designed for through-hole mounting applications. This connector features a vertical orientation with 7 positions at 0.156" (3.96mm) pitch, shrouded single-wall construction, and solder termination. The part operates across the industrial temperature range of -55°C to 105°C and is rated for 600VAC applications.

The 3-647183-7 carries an obsolete product status. Identifying equivalent and substitute parts from active manufacturers ensures design continuity, maintains supply chain reliability, and supports long-term production requirements for applications utilizing this connector type.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.156" (3.96mm)
Number of Positions	7
Number of Rows	1
Shrouding	Shrouded - 1 Wall
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Friction Lock
Contact Shape	Square
Operating Temperature	-55°C ~ 105°C
Voltage Rating	600VAC
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 3-647183-7 is determined by strict alignment of the following critical parameters:

Primary Matching Criteria:

Connector Type: Header
Contact Type: Male Pin
Pitch - Mating: 0.156" (3.96mm)
Number of Positions: 7
Number of Rows: 1
Shrouding: Shrouded - 1 Wall
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Friction Lock
Contact Shape: Square
Material Flammability Rating: UL94 V-0

Secondary Compatibility Factors:

Contact Length - Mating: 0.450" (11.43mm)
Insulation Material: Thermoplastic or Polyester, Glass Filled
RoHS3 Compliance
MSL 1 (Unlimited) rating

All substitute parts listed are manufactured by Molex and belong to the KK396 series family. These parts maintain electrical and mechanical compatibility with the original TE Connectivity connector while offering active product status and improved supply availability.

Parameter Comparison

Parameter	3-647183-7 (TE)	0026604072 (Molex)	0026604073 (Molex)	0026606072 (Molex)	0026624070 (Molex)	0026624076 (Molex)	0026654070 (Molex)	0027624079 (Molex)	0417910598 (Molex)	0417910854 (Molex)	0417910897 (Molex)
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Pitch - Mating	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)	0.156" (3.96mm)
Number of Positions	7	7	7	7	7	7	7	7	7	7	7
Number of Rows	1	1	1	1	1	1	1	1	1	1	1
Shrouding	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall	Shrouded - 1 Wall
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock	Friction Lock
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Length - Mating	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)
Contact Length - Post	0.125" (3.18mm)	0.140" (3.56mm)	0.170" (4.32mm)	0.140" (3.56mm)	0.140" (3.56mm)	0.140" (3.56mm)	0.140" (3.56mm)	0.140" (3.56mm)	0.140" (3.56mm)	0.140" (3.56mm)	0.240" (6.10mm)
Overall Contact Length	0.700" (17.78mm)	0.720" (18.29mm)	0.750" (19.05mm)	0.720" (18.29mm)	0.720" (18.29mm)	0.720" (18.29mm)	0.720" (18.29mm)	0.720" (18.29mm)	0.720" (18.29mm)	0.720" (18.29mm)	0.820" (20.83mm)
Insulation Height	0.545" (13.84mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)	0.446" (11.33mm)
Contact Finish - Mating	Tin	Tin	Tin	Gold	Tin	Tin	Gold	Tin	Tin	Gold	Gold
Contact Finish - Post	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin	Tin
Insulation Material	Thermoplastic, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed Molex substitute parts maintain active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment. The following selection guidance applies based on specific application requirements:

For Direct Mechanical and Electrical Compatibility: Molex 0026604072 and 0026624070 provide the closest substitution profile to the original 3-647183-7. Both parts maintain tin contact finish on mating surfaces, identical pitch and position count, and equivalent shrouded single-wall construction. These parts are suitable for general industrial applications requiring standard electrical performance.

For Enhanced Corrosion Resistance: Molex 0026606072, 0026654070, 0417910854, and 0417910897 feature gold-plated mating contacts, providing superior corrosion resistance compared to tin-plated alternatives. These parts are appropriate for applications in harsh environments or where extended service life is critical.

For Extended Post Length Applications: Molex 0417910897 provides a contact post length of 0.240" (6.10mm), compared to the standard 0.140" (3.56mm) found in most alternatives. This extended post length accommodates thicker printed circuit board assemblies or applications requiring deeper insertion depth.

For Fully Loaded Position Configurations: Molex 0026604073, 0026604072, 0417910854, and 0417910897 are supplied with all 7 positions loaded. The original 3-647183-7 and several alternatives (0026624070, 0026624076, 0027624079, 0417910598) are supplied with 6 positions loaded. Selection depends on whether the application requires all 7 positions or if the 6-position configuration is acceptable.

All substitute parts carry UL94 V-0 flammability ratings and MSL 1 (Unlimited) moisture sensitivity levels, matching the compliance profile of the original connector.

Frequently Asked Questions (FAQ)

Q: Can Molex KK396 series connectors directly replace the TE Connectivity AMP 3-647183-7?

A: Yes. All listed Molex substitute parts share identical mating pitch (0.156"), position count (7), connector type (header), contact type (male pin), shrouding configuration (shrouded single-wall), mounting method (through-hole), and termination type (solder). These parameters define mechanical and electrical compatibility. Differences in contact post length, contact finish, and insulation material do not prevent substitution in standard applications.

Q: What is the significance of the difference in contact post length between the original part and substitutes?

A: The original 3-647183-7 has a contact post length of 0.125" (3.18mm). Most Molex substitutes provide 0.140" (3.56mm) post length, with Molex 0417910897 offering 0.240" (6.10mm). Post length determines how deeply the connector penetrates the printed circuit board. Longer posts accommodate thicker PCB assemblies. Shorter posts may require PCB design adjustment. Verify PCB thickness and hole depth specifications before selection.

Q: Does the difference between tin and gold contact finishes affect substitution suitability?

A: Contact finish affects corrosion resistance and long-term reliability but does not prevent electrical or mechanical substitution. Tin-plated contacts (0026604072, 0026624070, 0026624076, 0027624079, 0417910598) are suitable for standard industrial environments. Gold-plated contacts (0026606072, 0026654070, 0417910854, 0417910897) provide enhanced corrosion resistance for harsh environments, high-humidity applications, or extended service life requirements. Selection depends on environmental exposure and reliability specifications.

Q: What is the difference between parts supplied with 6 positions loaded versus all 7 positions loaded?

A: Parts supplied with 6 positions loaded have one empty position slot in the connector housing. Parts supplied with all 7 positions loaded have contacts in all position slots. If the application requires all 7 signal connections, select parts with all positions loaded (0026604073, 0026604072, 0417910854, 0417910897). If only 6 connections are needed, either configuration is acceptable.

Q: Are all substitute parts ROHS3 compliant and MSL 1 rated?

A: Yes. All listed Molex substitute parts carry ROHS3 compliance certification and MSL 1 (Unlimited) moisture sensitivity level ratings, matching the original TE Connectivity part. These certifications ensure regulatory compliance and eliminate moisture-related handling restrictions during storage and assembly.

Q: What is the difference between Polyester and Thermoplastic insulation materials?

A: The original 3-647183-7 uses Thermoplastic, Glass Filled insulation. Most Molex substitutes use Polyester, Glass Filled insulation. Both materials meet UL94 V-0 flammability requirements and provide adequate electrical insulation for standard applications. Polyester offers slightly different thermal and mechanical properties but does not affect electrical performance or substitution compatibility in typical industrial environments.

Q: Which substitute part offers the best overall compatibility with the original 3-647183-7?

A: Molex 0026624070 provides the closest overall compatibility profile. It matches the original part in contact finish (tin), number of positions loaded (6), connector type, pitch, shrouding, and mounting method. It is actively produced, ROHS3 compliant, and MSL 1 rated. The primary differences are minor variations in post length (0.140" versus 0.125") and insulation material (Polyester versus Thermoplastic), neither of which affects substitution suitability in standard applications.

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