3M 929647-07-09-EU Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 929647-07-09-EU is an active rectangular connector header designed for through-hole board-to-board applications. This 9-position, single-row header operates at 2.54mm pitch and features gold-plated copper alloy contacts rated for 2.5A continuous current. The connector is manufactured from polycyclohexylenedimethylene terephthalate (PCT) insulation material with UL94 V-0 flammability rating and operates across the -40°C to 105°C temperature range. Equivalent substitute parts are identified to provide design flexibility, supply chain alternatives, and compatibility options for applications requiring identical electrical and mechanical interface specifications.

Key Parameters

Parameter	Specification
Connector Type	Header, Breakaway
Contact Type	Male Pin
Number of Positions	9
Number of Rows	1
Pitch - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Finish - Mating	Gold
Contact Material	Copper Alloy
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)
Operating Temperature	-40°C ~ 105°C
Current Rating	2.5A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 3M 929647-07-09-EU are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Matching Criteria:

Number of positions: 9
Number of rows: 1
Pitch - mating: 0.100" (2.54mm)
Connector type: Header with male pin contacts
Mounting type: Through hole
Termination: Solder
Style: Board to board or cable compatible
Fastening type: Push-pull
Contact shape: Square
Shrouding: Unshrouded
Insulation color: Black
Material flammability rating: UL94 V-0
Moisture sensitivity level: 1 (Unlimited)
ECCN classification: EAR99
HTSUS code: 8536.69.4040

Secondary Compatibility Parameters:

Contact finish - mating: Gold or tin plating acceptable
Contact material: Copper alloy or brass acceptable
Insulation material: PCT, polyester glass-filled, polyamide, or polybutylene terephthalate acceptable
Operating temperature range: Must encompass or exceed -40°C to 105°C
Current rating: Must meet or exceed 2.5A requirement
RoHS compliance status: RoHS Compliant or ROHS3 Compliant acceptable

All identified substitute parts meet these criteria and are confirmed as active products with current manufacturing status.

Parameter Comparison

Parameter	3M 929647-07-09-EU	Molex 0901200129	Würth Elektronik 61300911121	TE Connectivity 826629-9	Hirose A2-9PA-2.54DSA(71)	Harwin M20-9990945
Connector Type	Header, Breakaway	Header, Breakaway	Header	Header, Breakaway	Header	Header, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	9	9	9	9	9	9
Number of Rows	1	1	1	1	1	1
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Contact Finish - Mating	Gold	Tin	Gold	Gold	Gold	Gold
Contact Material	Copper Alloy	Brass	Copper Alloy	Brass	Brass	Brass
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)	Polyester, Glass Filled	Polyamide (PA6T), Nylon 6T	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C	-55°C ~ 125°C	-40°C ~ 105°C	-65°C ~ 105°C	-55°C ~ 85°C	-40°C ~ 105°C
Current Rating (Amps)	2.5A	Not specified	3A	5A	3A	3A per Contact
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Green	Black	Black
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040	8536.69.4040	8536.69.4040	8536.69.4040	8536.69.4040

Engineering Selection Recommendations

All identified substitute parts maintain active product status with current manufacturing support. Selection among equivalent parts is determined by specific application requirements and compliance certifications:

3M 929647-07-09-EU remains the primary specification with RoHS Compliant status and established supply availability of 856 units.

Molex 0901200129 (C-Grid III 90120 series) provides extended operating temperature range (-55°C to 125°C) with ROHS3 Compliant certification and highest inventory availability at 1978 units. Contact finish is tin rather than gold. Suitable for applications requiring wider temperature performance.

Würth Elektronik 61300911121 (WR-PHD series) matches the primary part's operating temperature range and gold contact finish with copper alloy material. ROHS3 Compliant with 2360 units in stock. Moisture sensitivity level is not applicable. Suitable for direct replacement in standard temperature applications.

TE Connectivity 826629-9 (AMPMODU Mod II series) offers highest current rating at 5A with extended low-temperature capability (-65°C). RoHS Compliant with 1130 units available. Insulation color is green rather than black. Suitable for high-current applications.

Hirose A2-9PA-2.54DSA(71) (A2 series) provides gold contact finish with copper alloy material and RoHS Compliant status. Operating temperature range is -55°C to 85°C, which does not extend to the full 105°C upper limit. 747 units in stock. Suitable for applications with maximum operating temperature below 85°C.

Harwin M20-9990945 (M20 series) features cuttable header design with gold contact finish and ROHS3 Compliant certification. 2787 units in stock. Mated stacking heights are specified at 10.04mm, 10.64mm, 11.04mm, and 16.54mm. Suitable for applications requiring modular connector configuration.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for the 3M 929647-07-09-EU?

A: All identified substitute parts share the same 9-position, single-row configuration with 2.54mm pitch and through-hole solder termination. Mechanical and electrical interface compatibility is established. Physical dimensions of contact lengths and insulation heights vary slightly between manufacturers. Verify that your PCB layout and mating connector accommodate the specific contact geometry of the selected substitute part.

Q: What is the difference between gold and tin contact finishes?

A: The 3M 929647-07-09-EU uses gold plating on mating contacts. Molex 0901200129 uses tin plating. Gold provides superior corrosion resistance and lower contact resistance over extended service life. Tin plating is acceptable for general-purpose applications with adequate environmental protection. Contact finish selection depends on application environment and reliability requirements.

Q: Which substitute part has the widest operating temperature range?

A: Molex 0901200129 operates from -55°C to 125°C, providing the widest temperature envelope. The 3M primary part and Würth Elektronik 61300911121 and Harwin M20-9990945 operate from -40°C to 105°C. TE Connectivity 826629-9 extends to -65°C minimum. Hirose A2-9PA-2.54DSA(71) is limited to -55°C to 85°C maximum.

Q: Are all substitute parts RoHS compliant?

A: Yes. The 3M 929647-07-09-EU, TE Connectivity 826629-9, and Hirose A2-9PA-2.54DSA(71) carry RoHS Compliant certification. Molex 0901200129, Würth Elektronik 61300911121, and Harwin M20-9990945 carry ROHS3 Compliant certification. Both certifications satisfy RoHS directive requirements.

Q: What is the current rating difference between parts?

A: The 3M 929647-07-09-EU is rated for 2.5A. Würth Elektronik 61300911121, Hirose A2-9PA-2.54DSA(71), and Harwin M20-9990945 are each rated for 3A per contact. TE Connectivity 826629-9 is rated for 5A. Molex 0901200129 does not specify current rating. Select based on your application's maximum current requirement per contact.

Q: Why is the Hirose part limited to 85°C maximum temperature?

A: The Hirose A2-9PA-2.54DSA(71) operates from -55°C to 85°C. This specification is provided by the manufacturer and reflects the material and design characteristics of this connector series. Applications requiring operation above 85°C must select alternative parts with higher temperature ratings.

Q: What does "cuttable" mean for the Harwin M20-9990945?

A: The Harwin M20-9990945 features a cuttable header design, allowing individual pins or pin groups to be separated from the main header strip. This provides design flexibility for applications requiring custom pin configurations. Standard breakaway headers cannot be modified after manufacturing.

Q: Are there differences in insulation material between parts?

A: Yes. The 3M 929647-07-09-EU uses polycyclohexylenedimethylene terephthalate (PCT). Molex uses polyester glass-filled material. Würth Elektronik and Harwin use polyamide (PA6T) nylon 6T. TE Connectivity and Hirose use polybutylene terephthalate (PBT). All materials meet UL94 V-0 flammability requirements. Material selection affects mechanical properties and environmental resistance characteristics.

Q: What does Moisture Sensitivity Level 1 mean?

A: Moisture Sensitivity Level 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. The Würth Elektronik 61300911121 lists moisture sensitivity as "Not Applicable," indicating similar unlimited shelf life characteristics. These parts do not require dry-pack storage or baking procedures before assembly.

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