TE Connectivity 644487-8 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 644487-8 is a shrouded vertical connector header for through-hole mounting, designed for board-to-cable/wire applications. This component features 8 positions at 0.100" (2.54mm) pitch with male pin contacts and friction lock fastening. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for continued system support and new production applications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	8
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Shrouding	Shrouded - 4 Wall
Termination	Solder
Voltage Rating	250VAC
Operating Temperature	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 644487-8 is determined by strict equivalence across the following critical parameters: connector type (header), contact type (male pin), number of positions (8), mating pitch (0.100"/2.54mm), mounting method (through hole), shrouding configuration (shrouded 4-wall), termination method (solder), fastening type (friction lock), voltage rating (250VAC), operating temperature range (-55°C to 105°C), and material flammability classification (UL94 V-0).

The identified substitute parts maintain these core specifications. Variations in contact finish materials and product status (active versus obsolete) do not affect functional interchangeability in board-level applications. All substitute candidates are manufactured by TE Connectivity within the MTA-100 series family.

Parameter Comparison

Parameter	644487-8 (Main)	2-644487-8 (Substitute)	2-644486-8 (Substitute)
Manufacturer	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors	TE Connectivity AMP Connectors
Series	MTA-100	MTA-100	MTA-100
Product Status	Obsolete	Active	Active
Connector Type	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin
Number of Positions	8	8	8
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Rows	1	1	1
Style	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Mounting Type	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder
Fastening Type	Friction Lock	Friction Lock	Friction Lock
Contact Length - Mating	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)
Contact Length - Post	0.140" (3.56mm)	0.140" (3.56mm)	0.140" (3.56mm)
Overall Contact Length	0.440" (11.18mm)	0.440" (11.18mm)	0.440" (11.18mm)
Insulation Height	0.410" (10.41mm)	0.410" (10.41mm)	0.410" (10.41mm)
Contact Shape	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Tin
Contact Finish - Post	Tin-Lead	Tin	Tin
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy
Insulation Material	Polyester	Polyester	Polyester
Features	Board Guide	Board Guide	Board Guide
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black
Current Rating	Varies by Wire Gauge	Varies by Wire Gauge	Varies by Wire Gauge
Voltage Rating	250VAC	250VAC	250VAC
Applications	General Purpose	General Purpose	General Purpose
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040	8536.69.4040

Engineering Selection Recommendations

The 644487-8 is classified as obsolete and should be replaced with active alternatives for new production and ongoing system support. Both substitute parts maintain full electrical and mechanical compatibility with the original specification.

2-644487-8 is the direct successor, maintaining identical contact finish specifications (gold mating surface with tin-lead post finish on the original; gold mating with tin post on the substitute). This part carries active product status and RoHS compliance certification. Packaging is provided in bulk format.

2-644486-8 offers an alternative within the same MTA-100 series family. The primary distinction is the contact finish configuration, with tin applied to both mating and post surfaces rather than gold on the mating surface. This part also maintains active product status and RoHS compliance. Bulk packaging is standard.

Both substitutes satisfy all regulatory requirements including UL94 V-0 flammability rating, RoHS compliance, and EAR99 export classification. Selection between the two substitutes should be based on contact finish requirements specific to the application's mating interface specifications and corrosion resistance needs.

Frequently Asked Questions (FAQ)

Q: Can 2-644487-8 be used as a direct replacement for 644487-8?

A: Yes. The 2-644487-8 maintains identical electrical and mechanical specifications, including connector type, position count, pitch, mounting method, shrouding, termination, voltage rating, and operating temperature range. The primary difference is product status (active versus obsolete) and packaging format (bulk).

Q: What is the difference between 2-644487-8 and 2-644486-8?

A: Both parts are functionally equivalent in terms of connector geometry, mounting, and electrical ratings. The distinction lies in contact finish materials. The 2-644487-8 features gold-plated mating contacts with tin post finish, while the 2-644486-8 uses tin finish on both mating and post surfaces. Contact finish selection depends on application-specific requirements for corrosion resistance and mating interface compatibility.

Q: Are all three parts compatible with the same mating connectors?

A: Yes. All three parts share identical mechanical dimensions, pitch spacing (0.100"/2.54mm), contact geometry (square shape), and shrouding configuration (4-wall). They are mechanically and electrically interchangeable at the board level.

Q: What does the packaging designation "Bulk" mean for the substitute parts?

A: Bulk packaging indicates that parts are supplied in standard industrial quantities without individual component packaging. This differs from the original part's packaging specification but does not affect electrical or mechanical performance.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both 2-644487-8 and 2-644486-8 are RoHS compliant. The original 644487-8 is ROHS3 compliant. All three parts meet RoHS requirements for restricted substance elimination.

Q: Can these parts be used in applications requiring -55°C to 105°C operation?

A: Yes. All three parts maintain the identical operating temperature range of -55°C to 105°C, ensuring thermal performance equivalence across the full specified range.

Q: What is the moisture sensitivity level for these connectors?

A: All three parts carry Moisture Sensitivity Level (MSL) 1, classified as unlimited. This indicates no moisture-related storage or handling restrictions.

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