3M 929647-07-10-EU Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 929647-07-10-EU is an active rectangular connector header designed for through-hole mounting applications. This 10-position, single-row connector operates at 2.54mm pitch and supports board-to-board connections with push-pull fastening. The part is actively manufactured and stocked with 774 units available. Equivalent and substitute parts are identified to provide design flexibility, ensure supply chain continuity, and accommodate specific application requirements where mechanical or electrical parameters differ within acceptable tolerances.

Key Parameters

Parameter	Value
Manufacturer Part Number	929647-07-10-EU
Manufacturer	3M
Category	Rectangular Connectors
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	10
Number of Rows	1
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)
Operating Temperature	-40°C ~ 105°C
Material Flammability Rating	UL94 V-0
Current Rating	2.5A
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following critical parameters:

Pitch - Mating: 0.100" (2.54mm) - all substitutes match
Number of Positions: 10 - all substitutes match
Number of Rows: 1 - all substitutes match
Connector Type: Header with breakaway or cuttable capability
Contact Type: Male Pin - all substitutes match
Mounting Type: Through Hole - all substitutes match
Termination: Solder - all substitutes match
Fastening Type: Push-Pull - all substitutes match
Material Flammability Rating: UL94 V-0 - all substitutes match
Moisture Sensitivity Level: 1 (Unlimited) - all substitutes match

Substitute parts are grouped by manufacturer and series. Variations in contact length, insulation height, contact finish composition, and current rating are documented but do not preclude substitution when application requirements permit. All substitute parts maintain active product status and compliance certifications equivalent to or exceeding the main part.

Parameter Comparison

Parameter	3M 929647-07-10-EU	Molex 0022284105	TE Connectivity 1-826629-0	Harwin M20-9731045	Harwin M20-9991045	Harwin M20-9991046
Manufacturer	3M	Molex	TE Connectivity AMP Connectors	Harwin Inc.	Harwin Inc.	Harwin Inc.
Series	929	KK254, 42375	AMPMODU Mod II	M20	M20	M20
Connector Type	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header, Cuttable	Header, Cuttable	Header, Cuttable
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
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)
Number of Positions	10	10	10	10	10	10
Number of Rows	1	1	1	1	1	1
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Length - Mating	0.235" (5.97mm)	0.295" (7.49mm)	0.264" (6.70mm)	0.276" (7.00mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.910" (23.11mm)	0.120" (3.05mm)	0.126" (3.20mm)	0.122" (3.10mm)	0.118" (3.00mm)	0.118" (3.00mm)
Overall Contact Length	1.245" (31.62mm)	0.505" (12.83mm)	0.500" (12.70mm)	0.496" (12.60mm)	0.460" (11.68mm)	0.460" (11.68mm)
Insulation Height	0.100" (2.54mm)	0.090" (2.29mm)	0.110" (2.79mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Tin
Contact Material	Copper Alloy	Not specified	Brass	Brass	Brass	Brass
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)	Polyamide (PA), Nylon, Glass Filled	Polybutylene Terephthalate (PBT)	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T
Operating Temperature	-40°C ~ 105°C	Not specified	-65°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
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	Green	Black	Black	Black
Current Rating	2.5A	Not specified	5A	3A per Contact	3A per Contact	3A per Contact
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	Vendor Undefined	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active	Active	Active
Inventory	774 Pcs	11886 Pcs	2092 Pcs	986 Pcs	5265 Pcs	3098 Pcs

Engineering Selection Recommendations

All substitute parts maintain active product status and UL94 V-0 flammability compliance. Selection between the main part and substitutes depends on specific application constraints:

The 3M 929647-07-10-EU features an extended post length (0.910") suitable for applications requiring deeper PCB penetration or specific stacking configurations. Substitute parts from Molex, TE Connectivity, and Harwin feature shorter post lengths (0.118" to 0.126") appropriate for standard PCB thicknesses and compact assemblies.

Molex 0022284105 and TE Connectivity 1-826629-0 are classified as breakaway headers, matching the connector type of the main part. Harwin M20 series parts (M20-9731045, M20-9991045, M20-9991046) are cuttable headers, offering modular position reduction capability.

Current rating specifications vary: the main part is rated at 2.5A, while TE Connectivity 1-826629-0 supports 5A and Harwin parts support 3A per contact. Applications requiring higher current capacity should reference TE Connectivity or Harwin alternatives.

Contact finish composition differs: the main part and most substitutes feature gold mating contacts. Harwin M20-9991046 features tin mating contacts with tin post finish, suitable for cost-sensitive applications where gold plating is not required.

Insulation material varies across manufacturers: 3M uses PCT, Molex uses glass-filled polyamide, TE Connectivity uses PBT, and Harwin uses PA6T nylon. All materials meet UL94 V-0 requirements. Operating temperature ranges are equivalent or exceed the main part specification (-40°C to 105°C).

RoHS compliance is confirmed for all parts. The main part and TE Connectivity part carry RoHS Compliant status, while Molex and Harwin parts carry ROHS3 Compliant status. REACH status is confirmed as REACH Unaffected for all parts except TE Connectivity 1-826629-0, which is listed as Vendor Undefined.

Frequently Asked Questions (FAQ)

Q: Can Harwin M20 cuttable headers replace the 3M 929647-07-10-EU breakaway header?

A: Yes, within application constraints. Both connector types support 10-position, 2.54mm pitch, through-hole solder termination with push-pull fastening. The primary difference is mechanical: breakaway headers have fixed position counts, while cuttable headers allow position reduction. Harwin M20 parts support 3A per contact versus the 3M part's 2.5A rating, providing equivalent or superior current capacity.

Q: What is the significance of contact length differences between the main part and substitutes?

A: The 3M 929647-07-10-EU has an overall contact length of 1.245" (31.62mm), with a 0.910" post length. Substitute parts have overall contact lengths ranging from 0.460" to 0.505", with post lengths of 0.118" to 0.126". The extended post length of the main part accommodates deeper PCB penetration or specific mechanical stacking requirements. Substitutes with shorter posts are suitable for standard PCB thicknesses and compact board-to-board applications. Verify PCB thickness and mechanical clearance requirements before substitution.

Q: Are all substitute parts RoHS compliant?

A: Yes. The main part carries RoHS Compliant status. Molex 0022284105 and Harwin parts (M20-9731045, M20-9991045, M20-9991046) carry ROHS3 Compliant status, which supersedes earlier RoHS requirements. TE Connectivity 1-826629-0 carries RoHS Compliant status. All parts meet current RoHS directives.

Q: What is the difference between Harwin M20-9991045 and M20-9991046?

A: Both parts are identical except for contact finish. M20-9991045 features gold mating contacts, matching the main part and most substitutes. M20-9991046 features tin mating contacts and tin post finish. Tin-finished contacts are suitable for cost-sensitive applications where gold plating is not required. Both parts support 3A per contact and operate across -40°C to 105°C.

Q: Can I substitute the TE Connectivity 1-826629-0 if my application requires 5A current capacity?

A: Yes. The TE Connectivity 1-826629-0 is rated for 5A, exceeding the main part's 2.5A rating and Harwin alternatives' 3A per contact rating. This part is suitable for higher-current applications. Verify that mating connector specifications also support 5A current capacity before implementation.

Q: What is the inventory status of substitute parts?

A: Molex 0022284105 has the highest inventory at 11,886 units. Harwin M20-9991045 has 5,265 units. Harwin M20-9991046 has 3,098 units. TE Connectivity 1-826629-0 has 2,092 units. Harwin M20-9731045 has 986 units. The main part 3M 929647-07-10-EU has 774 units. Inventory levels support supply chain continuity across all options.

Q: Are there mechanical compatibility concerns with different insulation materials?

A: All substitute parts use insulation materials meeting UL94 V-0 flammability requirements. The main part uses PCT, while substitutes use polyamide, PBT, or PA6T nylon. These materials have comparable mechanical properties and thermal stability within the specified operating temperature range (-40°C to 105°C). No mechanical incompatibility exists for standard board-to-board applications. Verify material compatibility with specific environmental or chemical exposure requirements if applicable.

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