Molex 0901200930 Equivalent & Substitute Parts

Part Overview

The Molex 0901200930 is a vertical through-hole rectangular connector header with 10 positions at 2.54mm pitch, designed for board-to-board or cable applications. This connector features male pins with gold-plated mating contacts and tin-plated posts, housed in a black polyester glass-filled insulation body. The part is currently active in production with 957 units in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in applications where the core functional requirements remain constant.

Key Parameters

Parameter	Value
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
Contact Shape	Square
Contact Finish - Mating	Gold
Contact Material	Brass
Insulation Material	Polyester, Glass Filled
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

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

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 10
Number of Rows: 1
Connector Type: Header with male pins
Mounting Type: Through Hole
Termination: Solder
Contact Shape: Square
Material Flammability Rating: UL94 V-0
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts are grouped into two categories based on connector design: breakaway headers (TE Connectivity AMPMODU Mod II series) and cuttable headers (Harwin M20 series). Both categories maintain the electrical and mechanical compatibility required for direct substitution in standard applications.

Parameter Comparison

Parameter	Molex 0901200930	TE 1-826629-0	TE 6-146276-0	TE 6-146281-0	Harwin M20-9731045	Harwin M20-9991045	Harwin M20-9991046
Manufacturer	Molex	TE Connectivity	TE Connectivity	TE Connectivity	Harwin Inc.	Harwin Inc.	Harwin Inc.
Series	C-Grid III 90120	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	M20	M20	M20
Product Status	Active	Active	Active	Active	Active	Active	Active
Connector Type	Header, Breakaway	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	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)	0.100" (2.54mm)
Number of Positions	10	10	10	10	10	10	10
Number of Rows	1	1	1	1	1	1	1
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Contact Shape	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Tin
Contact Material	Brass	Brass	Copper Alloy	Copper Alloy	Brass	Brass	Brass
Insulation Material	Polyester, Glass Filled	Polybutylene Terephthalate (PBT)	Liquid Crystal Polymer (LCP)	Liquid Crystal Polymer (LCP)	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T	Polyamide (PA6T), Nylon 6T
Operating Temperature	-55°C ~ 125°C	-65°C ~ 105°C	-65°C ~ 105°C	-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	UL94 V-0
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Inventory (Pcs)	957	2092	2900	4665	986	5265	3098

Engineering Selection Recommendations

All listed substitute parts maintain active product status and comply with RoHS and UL94 V-0 flammability requirements. Selection between TE Connectivity AMPMODU Mod II and Harwin M20 series depends on connector design preference: breakaway versus cuttable headers.

TE Connectivity 1-826629-0 is the primary recommended substitute, offering active status with the highest inventory availability among TE options and matching the gold-plated mating contact finish of the original part.

TE Connectivity 6-146276-0 and 6-146281-0 provide alternative contact length options within the AMPMODU Mod II series, both maintaining active status and RoHS compliance.

Harwin M20-9991045 offers the highest inventory level among all substitutes at 5265 units and maintains full compliance with ROHS3 and REACH standards. Harwin M20-9731045 provides an alternative with comparable specifications.

Harwin M20-9991046 differs in mating contact finish (tin instead of gold) and should be selected only when tin-plated contacts are functionally acceptable for the application.

TE Connectivity 4-103321-0-10 carries obsolete product status and RoHS non-compliance, making it unsuitable for new designs.

Frequently Asked Questions (FAQ)

Q: Can I substitute a Harwin M20 cuttable header for the Molex 0901200930 breakaway header?

A: Yes. Both connector types share the same pitch (2.54mm), position count (10), row configuration (1), mounting method (through hole), and termination (solder). The primary difference is mechanical design: breakaway headers separate individual positions, while cuttable headers allow post-separation. Electrical and mechanical compatibility remains equivalent.

Q: What is the impact of different insulation materials on substitution?

A: The main part uses polyester glass-filled insulation, while substitutes use PBT, LCP, or polyamide materials. All materials meet UL94 V-0 flammability requirements and maintain MSL 1 rating. Material selection affects thermal and chemical resistance characteristics but does not prevent direct substitution in standard applications.

Q: Why do some substitutes have lower operating temperature ranges?

A: The Molex 0901200930 operates from -55°C to 125°C, while TE Connectivity substitutes operate from -65°C to 105°C, and Harwin M20 substitutes from -40°C to 105°C. These differences reflect design specifications for each series. Substitution is valid when the application operating temperature falls within the substitute part's rated range.

Q: Does contact finish affect substitution compatibility?

A: Contact finish (gold or tin) affects corrosion resistance and mating force characteristics but does not prevent electrical substitution. Gold-plated contacts (Molex 0901200930, most TE and Harwin substitutes) provide superior corrosion resistance. Harwin M20-9991046 uses tin plating and should be selected only when tin-plated contacts are acceptable for the application environment.

Q: Are all substitute parts RoHS compliant?

A: All listed substitutes meet RoHS compliance requirements. The main part and Harwin M20 series are ROHS3 compliant. TE Connectivity substitutes are RoHS compliant. Both compliance levels are acceptable for applications requiring RoHS certification.

Q: What packaging differences exist among substitute parts?

A: The main part is supplied in trays, while all substitute parts are supplied in bulk packaging. This affects inventory management and handling but does not impact electrical or mechanical compatibility.

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