3M 2306-6221-TP Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 2306-6221-TP is a through-hole rectangular connector header with 6 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This unshrouded, push-pull fastening header is designed for board-to-board or cable applications with solder termination. The part is currently active in production with 1082 units in stock. Equivalent and substitute parts are identified based on matching electrical and mechanical parameters that ensure functional compatibility in standard 2.54mm pitch connector applications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	6
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Material Flammability Rating	UL94 V-0
Current Rating	3A
Operating Temperature	-55°C ~ 105°C
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Pitch - Mating: 0.100" (2.54mm) - must match exactly
Number of Positions: 6 - must match exactly
Number of Rows: 2 - must match exactly
Row Spacing - Mating: 0.100" (2.54mm) - must match exactly
Mounting Type: Through Hole - must match exactly
Termination: Solder - must match exactly
Fastening Type: Push-Pull - must match exactly
Material Flammability Rating: UL94 V-0 - must match exactly
Moisture Sensitivity Level: 1 (Unlimited) - must match exactly

All substitute parts listed meet these core compatibility criteria. Variations in contact finish, contact material, insulation material, and contact geometry are permissible within the scope of standard 2.54mm pitch header applications, provided the electrical and mechanical interface parameters remain consistent.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Connector Type	Contact Type	Pitch (mm)	Positions	Rows	Mounting	Termination	Fastening	Contact Finish - Mating	Contact Material	Insulation Material	Flammability	Current (A)	Temp Range (°C)	RoHS Status	Product Status
2306-6221-TP	3M	2300	Header	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Tin-Lead	Copper Alloy	Thermoplastic, Glass Filled	UL94 V-0	3	-55 ~ 105	Non-compliant	Active
0010977066	Molex	C-Grid 70280	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Gold	Copper Alloy	LCP, Glass Filled	UL94 V-0	—	—	ROHS3 Compliant	Active
0702871050	Molex	C-Grid 70287	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Kinked Pin, Solder	Push-Pull	Tin	Copper Alloy	LCP, Glass Filled	UL94 V-0	—	—	ROHS3 Compliant	Active
0901310123	Molex	C-Grid III 90131	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Tin	Brass	Polyester, Glass Filled	UL94 V-0	—	—	ROHS3 Compliant	Active
0901310763	Molex	C-Grid III 90131	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Gold	Brass	Polyester, Glass Filled	UL94 V-0	—	—	ROHS3 Compliant	Active
1-87215-2	TE Connectivity AMP Connectors	AMPMODU Mod II	Header	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Gold	Phosphor Bronze	Thermoplastic	UL94 V-0	3	-65 ~ 105	RoHS Compliant	Active
4-146262-1	TE Connectivity AMP Connectors	AMPMODU Mod II	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Kinked Pin, Solder	Push-Pull	Tin-Lead	Copper Alloy	LCP	UL94 V-0	3	-65 ~ 105	RoHS Compliant	Obsolete
450-80-206-00-018101	Preci-Dip	450	Header	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Tin	Brass	PCT, Polyester, Glass Filled	UL94 V-0	3	-55 ~ 125	ROHS3 Compliant	Active
5-146250-3	TE Connectivity AMP Connectors	AMPMODU Mod II	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Tin	Copper Alloy	LCP	UL94 V-0	3	-65 ~ 105	RoHS Compliant	Active
5-146252-3	TE Connectivity AMP Connectors	AMPMODU Mod II	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Gold	Copper Alloy	LCP	UL94 V-0	3	-65 ~ 105	ROHS3 Compliant	Active
5-146253-3	TE Connectivity AMP Connectors	AMPMODU Mod II	Header, Breakaway	Male Pin	2.54	6	2	Through Hole	Solder	Push-Pull	Gold	Copper Alloy	LCP	UL94 V-0	3	-65 ~ 105	ROHS3 Compliant	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compliance)

The TE Connectivity AMPMODU Mod II series parts (5-146250-3, 5-146252-3, 5-146253-3) are direct functional equivalents with active product status and RoHS3 compliance. These parts maintain identical pitch, position count, row spacing, and electrical ratings as the 3M 2306-6221-TP. The primary distinction is contact finish: tin finish (5-146250-3) for standard applications, or gold finish (5-146252-3, 5-146253-3) for enhanced corrosion resistance.

Secondary Substitutes (Active Status, Compliance Variations)

Molex C-Grid series headers (0010977066, 0702871050, 0901310123, 0901310763) and Preci-Dip 450 series (450-80-206-00-018101) are functionally compatible alternatives with ROHS3 compliance and active production status. These parts meet all core mechanical and electrical interface requirements. The Preci-Dip 450 series offers extended operating temperature range (-55°C to 125°C) compared to the 3M part.

Obsolete Parts (Not Recommended for New Designs)

TE Connectivity 4-146262-1 is marked obsolete and should not be selected for new applications despite functional compatibility.

Compliance Considerations

The original 3M 2306-6221-TP is RoHS non-compliant. All listed substitute parts with active status are either RoHS Compliant or ROHS3 Compliant, making them suitable for applications requiring regulatory compliance. All parts maintain UL94 V-0 flammability rating and MSL 1 moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 3M 2306-6221-TP with any of the listed parts?

A: Yes, all listed parts with active product status meet the core compatibility criteria: 2.54mm pitch, 6 positions in 2 rows, through-hole mounting, solder termination, and push-pull fastening. The 4-146262-1 is obsolete and should not be used for new designs.

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

A: Both finishes are electrically compatible. Gold finish (0010977066, 0901310763, 5-146252-3, 5-146253-3) provides superior corrosion resistance and is preferred for applications with extended storage or harsh environments. Tin finish (0702871050, 0901310123, 5-146250-3) is suitable for standard applications and offers cost efficiency.

Q: Does the contact material (Copper Alloy vs. Brass vs. Phosphor Bronze) affect compatibility?

A: Contact material does not affect mechanical or electrical interface compatibility. All materials listed meet the 3A current rating and UL94 V-0 flammability requirement. Material selection is driven by cost and performance preferences rather than substitution constraints.

Q: Are there packaging differences I should consider?

A: Yes. The 3M 2306-6221-TP packaging is not specified. Molex parts are available in Bulk or Tray packaging. TE Connectivity parts are available in Bulk. Preci-Dip 450-80-206-00-018101 is supplied in Bulk. Verify packaging requirements with your procurement process.

Q: What is the significance of "Breakaway" connector type?

A: Breakaway headers allow individual positions to be separated after assembly. This feature does not affect compatibility with standard mating connectors. Both breakaway and non-breakaway headers are mechanically and electrically interchangeable in standard 2.54mm pitch applications.

Q: Why do some parts list kinked pin termination?

A: Kinked pin termination (0702871050, 4-146262-1) provides enhanced mechanical retention during PCB assembly. Standard solder termination (all other parts) is equally compatible. Selection depends on assembly process requirements.

Q: Is the extended temperature range of the Preci-Dip 450 series (-55°C to 125°C) significant?

A: The Preci-Dip part supports higher maximum temperature (125°C vs. 105°C for most alternatives). This is beneficial for applications with elevated thermal environments but not required for standard -55°C to 105°C operating conditions.

Q: Are all parts MSL 1 (Unlimited)?

A: Yes, all listed parts are MSL 1, indicating unlimited shelf life and no moisture sensitivity precautions required during storage or handling.

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