TE Connectivity AMP 3-644616-6 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP 3-644616-6 is a rectangular connector header designed for through-hole mounting applications. This connector features a vertical orientation with 6 positions at 0.156" (3.96mm) pitch, shrouded design with single wall, and solder termination. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing production and maintenance applications. Substitute parts maintain functional compatibility through matching core electrical and mechanical parameters while offering active product status from alternative manufacturers.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.156" (3.96mm)
Number of Positions	6
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Shrouding	Shrouded - 1 Wall
Fastening Type	Friction Lock
Contact Length - Mating	0.450" (11.43mm)
Overall Contact Length	0.700" (17.78mm)
Insulation Height	0.545" (13.84mm)
Contact Finish - Mating	Tin
Material Flammability Rating	UL94 V-0
Voltage Rating	600VAC
Operating Temperature	-55°C ~ 105°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TE Connectivity AMP 3-644616-6 are identified based on strict alignment with the following core parameters:

Critical Matching Parameters:

Pitch - Mating: 0.156" (3.96mm)
Number of Positions: 6
Number of Rows: 1
Connector Type: Header
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Shrouding: Shrouded - 1 Wall
Fastening Type: Friction Lock
Style: Board to Cable/Wire or Board to Board or Cable

Acceptable Variation Parameters:

Contact Length - Mating: Range 0.419" to 0.450" (10.65mm to 11.43mm)
Overall Contact Length: Range 0.687" to 0.750" (17.45mm to 19.05mm)
Insulation Height: Range 0.446" to 0.545" (11.33mm to 13.84mm)
Contact Shape: Circular or Square
Contact Finish - Mating: Tin or Gold
Contact Material: Copper Alloy or Brass
Insulation Material: Thermoplastic Glass Filled, Polyamide (PA66), or Polyester Glass Filled
Material Flammability Rating: UL94 V-0 or V-2
Product Status: Active

All substitute parts listed maintain ROHS3 compliance and MSL 1 rating consistent with the original component.

Parameter Comparison

Parameter	3-644616-6 (TE)	0009652068 (Molex)	0026482065 (Molex)	0026604060 (Molex)	0026604063 (Molex)	0026606060 (Molex)	0026606062 (Molex)	0026614060 (Molex)	0026624060 (Molex)	0026624061 (Molex)	0026624064 (Molex)
Manufacturer	TE Connectivity	Molex	Molex	Molex	Molex	Molex	Molex	Molex	Molex	Molex	Molex
Connector Type	Header	Header	Header, Breakaway	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	6	6	6	6	6	6	6	6	6	6	6
Number of Rows	1	1	1	1	1	1	1	1	1	1	1
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
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
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 Length - Mating	0.450" (11.43mm)	0.419" (10.65mm)	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)
Overall Contact Length	0.700" (17.78mm)	0.687" (17.45mm)	0.750" (19.05mm)	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)
Insulation Height	0.545" (13.84mm)	0.482" (12.25mm)	0.500" (12.70mm)	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 Shape	Circular	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Tin	Tin	Gold	Tin	Tin	Tin	Gold	Gold	Tin	Tin	Tin
Contact Material	Copper Alloy	Brass	Brass	Not Specified	Not Specified	Brass	Brass	Not Specified	Not Specified	Not Specified	Not Specified
Insulation Material	Thermoplastic, Glass Filled	Polyamide (PA66), Nylon 6/6	Polyester	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled	Polyester, Glass Filled
Material Flammability Rating	UL94 V-0	UL94 V-2	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
Number of Positions Loaded	All	All	All	All	All	All	All	All	5	4	5

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The following Molex KK396 series connectors provide direct functional equivalence with the TE Connectivity AMP 3-644616-6:

Molex 0026604060 (KK396, 41791 series): Maintains identical mating contact length (0.450"), matching insulation material composition (Polyester Glass Filled), UL94 V-0 flammability rating, and all-positions-loaded configuration. Tin finish on mating contacts aligns with original specification.
Molex 0026604063 (KK396, 41791 series): Identical to 0026604060 with extended post length (0.170" vs 0.140"), providing additional board penetration depth while maintaining all other critical parameters.
Molex 0026606060 (KK396, 42891 series): Offers Board Lock feature with matching contact geometry and tin finish. Polyester Glass Filled insulation and UL94 V-0 rating provide equivalent performance characteristics.
Molex 0026606062 (KK396, 42891 series): Gold-plated mating contacts with Board Lock feature. Maintains identical contact length and insulation specifications. Gold finish provides enhanced corrosion resistance compared to tin.

Secondary Substitutes (Acceptable with Design Verification):

Molex 0026614060 (KK396, 41791 series): Gold-plated mating contacts with standard friction lock. Insulation height reduced to 0.446" (11.33mm) versus original 0.545" (13.84mm). Suitable for applications where reduced profile is acceptable.
Molex 0026624060, 0026624061, 0026624064 (KK396, 41791 series): Partial position loading (4-5 positions) with tin finish. These variants accommodate applications requiring fewer active signal paths while maintaining mechanical compatibility.

Alternative Substitute (Lower Flammability Rating):

Molex 0009652068 (KK396, 5273 series): Meets core electrical and mechanical requirements with UL94 V-2 flammability rating (versus V-0 original). Square contact geometry and Polyamide insulation material differ from original. Suitable for general-purpose applications where V-2 rating is acceptable.

All recommended substitutes maintain ROHS3 compliance and MSL 1 moisture sensitivity rating consistent with the original component. Product status is Active for all substitutes, ensuring long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters that determine if a connector can substitute for the TE Connectivity AMP 3-644616-6?

A: The following parameters must match exactly: 0.156" (3.96mm) pitch, 6 positions, 1 row, through-hole mounting, solder termination, shrouded single-wall design, and friction lock fastening. Contact type must be male pin header configuration. Deviations in these parameters result in incompatibility with mating connectors and circuit board layouts.

Q: Can I use a substitute with a different contact shape (square vs. circular)?

A: Yes. The contact shape difference between circular (original) and square (substitutes) does not affect electrical performance or mating compatibility. Both geometries provide equivalent contact pressure and current-carrying capacity within the specified pitch and position parameters.

Q: What is the significance of the contact finish (tin vs. gold)?

A: Contact finish affects corrosion resistance and long-term reliability in specific environments. Tin finish (original and most substitutes) is suitable for general industrial applications. Gold finish (Molex 0026482065, 0026606062, 0026614060) provides enhanced corrosion resistance in high-humidity or corrosive environments. Selection depends on application environmental requirements.

Q: Why do some substitutes have different insulation heights?

A: Insulation height variation (0.446" to 0.545") reflects different connector series designs. Reduced insulation height in some Molex variants (0.446") results in lower overall profile while maintaining electrical and mechanical function. This parameter affects board-to-board spacing and should be verified against PCB layout constraints.

Q: Are the Molex substitutes with partial position loading (0026624060, 0026624061, 0026624064) compatible with my application?

A: Partial position loading means fewer than 6 contact positions are populated in the connector body. These parts are mechanically and electrically compatible with the original 6-position design if your application uses fewer than 6 signal paths. Verify that your mating connector and circuit design accommodate the specific number of loaded positions.

Q: What does "Board Lock" feature mean in Molex 0026606060 and 0026606062?

A: Board Lock is a mechanical feature that provides additional retention between the connector and printed circuit board during assembly and operation. This feature does not affect electrical compatibility but provides enhanced mechanical stability. It is functionally transparent to applications not requiring this additional retention.

Q: Is the UL94 V-2 rating of Molex 0009652068 acceptable as a substitute?

A: UL94 V-2 rating indicates lower flammability performance compared to the original UL94 V-0 rating. The V-2 substitute is acceptable for general-purpose industrial applications where V-0 certification is not explicitly required by design specifications or regulatory standards. Applications in safety-critical or high-temperature environments should maintain V-0 compliance.

Q: Can I mix and match different substitute parts in the same assembly?

A: All listed substitutes are mechanically and electrically compatible with each other due to matching pitch, position count, and mounting specifications. However, mixing different contact finishes or insulation materials in the same assembly may introduce inconsistent performance characteristics. Standardize on a single substitute part number for consistency.

Q: What is the difference between "Board to Cable/Wire" and "Board to Board or Cable" style designations?

A: "Board to Cable/Wire" style (original) is optimized for connections between a PCB and external wiring harnesses. "Board to Board or Cable" style (substitutes) accommodates both PCB-to-PCB connections and cable connections. The substitutes provide greater application flexibility without compromising compatibility with the original board-to-cable configuration.

Q: Are all substitutes available in the same packaging format?

A: The original part number does not specify packaging detail. All listed Molex substitutes are available in Bulk packaging. Verify packaging requirements with your procurement department, as some applications may require tape-and-reel or other specific packaging formats not detailed in this reference.

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