Molex 0901220126 Equivalent & Substitute Parts

Part Overview

The Molex 0901220126 is a rectangular connector header featuring right-angle mounting, 12 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. This through-hole solder-terminated connector is designed for board-to-board or cable applications in automotive and general-purpose electronics. The part is currently active in production with 690 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to design flexibility, supply chain considerations, or specific application requirements.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	12
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0901220126 are qualified based on strict equivalence in the following critical parameters:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 12
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole, Right Angle
Termination: Solder
Fastening Type: Push-Pull
Contact Shape: Square
Material Flammability Rating: UL94 V-0

All identified substitutes maintain these core electrical and mechanical parameters. Variations in contact material, contact finish, insulation material, and post length are permitted within the scope of equivalent substitution, as these do not affect mating compatibility or basic functional performance in standard applications.

Parameter Comparison

Parameter	Molex 0901220126	Amphenol ICC 68405-412HLF	Amphenol ICC 79257-112HLF	TE Connectivity 826634-6	3M 929667-04-06-I	3M 929838-02-06-RK	Samtec MTSW-106-09-T-D-275-NA
Manufacturer	Molex	Amphenol ICC (FCI)	Amphenol ICC (FCI)	TE Connectivity AMP Connectors	3M	3M	Samtec Inc.
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)	0.100" (2.54mm)
Number of Positions	12	12	12	12	12	12	12
Number of Rows	2	2	2	2	2	2	2
Row Spacing - 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)	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Shape	Square	Square	Square	Square	Square	Square	Square
Material Flammability Rating	UL94 V-0	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	Black
Contact Length - Mating	0.266" (6.75mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.264" (6.70mm)	0.235" (5.97mm)	0.235" (5.97mm)	0.275" (6.99mm)
Contact Length - Post	0.114" (2.90mm)	0.095" (2.41mm)	0.120" (3.05mm)	0.126" (3.20mm)	0.145" (3.68mm)	0.405" (10.29mm)	0.090" (2.29mm)
Insulation Height	0.242" (6.14mm)	0.190" (4.83mm)	0.190" (4.83mm)	0.219" (5.56mm)	0.215" (5.45mm)	0.215" (5.45mm)	0.219" (5.56mm)
Contact Material	Brass	Phosphor Bronze	Phosphor Bronze	Brass	Copper Alloy	Copper Alloy	Phosphor Bronze
Contact Finish - Mating	Tin	Tin	Gold or Gold, GXT™	Gold	Gold	Tin	Tin
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active	Active	Active
Inventory (Pcs)	690	664	1126	6761	1599	3429	989

Engineering Selection Recommendations

All identified substitute parts maintain active product status and comply with RoHS requirements, ensuring regulatory compliance and long-term availability. The Molex 0901220126 and TE Connectivity 826634-6 both feature breakaway connector types, offering design flexibility for applications requiring individual pin separation. The Amphenol ICC 68405-412HLF and 79257-112HLF are available in higher inventory quantities (664 and 1126 units respectively), supporting high-volume production schedules. The 3M 929838-02-06-RK provides the highest inventory availability at 3429 units and maintains ROHS3 compliance with tin contact finish. The Samtec MTSW-106-09-T-D-275-NA offers cuttable connector functionality for applications requiring custom pin configurations. Selection should be based on inventory availability, specific contact finish requirements (tin versus gold), and connector type preferences (standard header versus breakaway or cuttable variants).

Frequently Asked Questions (FAQ)

Q: Can the Amphenol ICC 79257-112HLF substitute for the Molex 0901220126 in all applications?

A: The 79257-112HLF meets all critical mating parameters including pitch, position count, row spacing, and mounting type. The primary difference is the gold contact finish on the mating surface, which provides enhanced corrosion resistance compared to the tin finish of the original part. This substitution is valid for applications where gold plating is acceptable or beneficial.

Q: What is the significance of the contact length differences between substitute parts?

A: Contact length variations affect the depth of insertion and mating force characteristics. The Molex 0901220126 has a mating contact length of 0.266" (6.75mm), while substitutes range from 0.230" to 0.275". These variations remain within acceptable tolerances for standard board-to-board mating applications. The 3M 929838-02-06-RK features an extended post length of 0.405" (10.29mm), suitable for applications requiring deeper solder penetration or extended through-hole mounting.

Q: Are there packaging differences between the main part and substitutes?

A: The Molex 0901220126 is supplied in bulk packaging, while Amphenol ICC parts are supplied in bag packaging. Samtec and 3M parts are supplied in bulk. Packaging differences do not affect electrical or mechanical compatibility but may influence handling, storage, and inventory management procedures.

Q: Which substitute offers the best availability?

A: The TE Connectivity 826634-6 provides the highest inventory level at 6761 units in stock, followed by the 3M 929838-02-06-RK at 3429 units. Both parts are active and RoHS compliant, making them suitable for immediate procurement in high-volume applications.

Q: Can the Samtec MTSW-106-09-T-D-275-NA be used as a direct replacement?

A: The Samtec part meets all critical mating parameters and is fully compatible. The cuttable connector feature provides additional design flexibility, allowing individual pins to be separated if required. This part is suitable for applications where modular connector configurations are beneficial.

Q: What are the compliance considerations for each substitute?

A: All substitute parts are RoHS compliant. The Molex 0901220126 and Samtec MTSW-106-09-T-D-275-NA are ROHS3 compliant. The 3M 929667-04-06-I has MSL classification as Not Applicable, while other parts maintain MSL 1 (Unlimited), indicating no moisture sensitivity concerns for standard storage and handling conditions.

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