Molex 0905711201 Equivalent & Substitute Parts

Part Overview

The Molex 0905711201 is a rectangular connector header designed for through-hole mounting applications. This connector features a vertical orientation with 20 positions arranged in 2 rows at 0.100" (2.54mm) pitch, shrouded with 4-wall construction, and solder termination with latch lock/eject hooks. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	20
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Style	Board to Cable/Wire
Shrouding	Shrouded - 4 Wall
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Latch Lock/Eject Hooks
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the Molex 0905711201 is determined by strict equivalence in the following core parameters:

Connector Type: Header
Contact Type: Male Pin
Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 20
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Style: Board to Cable/Wire
Shrouding: Shrouded - 4 Wall
Mounting Type: Through Hole
Termination: Solder
Contact Shape: Square
Material Flammability Rating: UL94 V-0
Insulation Color: Black
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are sourced from TE Connectivity AMP Connectors, 3M, and JST Sales America Inc. All substitute parts maintain the core electrical and mechanical interface specifications required for direct replacement in board-to-cable/wire applications.

Parameter Comparison

Parameter	Molex 0905711201	TE 102321-4	TE 2-5102321-4	TE 499206-4	TE 499922-4	TE 5102321-4	TE 5499206-4	TE 5499922-4	3M D3428-6302-AR	JST RX-H201TD-1190(LF)(SN)
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	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)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	20	20	20	20	20	20	20	20	20	20
Number of Rows	2	2	2	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)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Style	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire	Board to Cable/Wire
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Latch Lock/Eject Hooks	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold	Tin
Contact Finish - Post	Tin	Tin-Lead	Tin	Tin-Lead	Tin-Lead	Tin	Tin	Tin	Tin	Tin
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	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	Blue	Black	Black	Black	Black	Black	Black	Black
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed maintain active product status, ensuring long-term availability and supply chain continuity. Selection should prioritize parts with ROHS3 compliance alignment to the original Molex 0905711201 specification.

TE Connectivity AMP Connectors parts (102321-4, 2-5102321-4, 499206-4, 499922-4, 5102321-4, 5499206-4, 5499922-4) represent the primary substitution path, with 5102321-4 and 5499922-4 offering ROHS3 compliance matching the original part. The 5499922-4 variant provides the highest inventory availability at 62,300 pieces in bulk packaging.

The 3M D3428-6302-AR offers ROHS3 compliance with an extended operating temperature range of -55°C to 105°C and higher current rating of 1.75A per contact, suitable for applications requiring enhanced thermal performance.

The JST RX-H201TD-1190(LF)(SN) provides ROHS3 compliance with a reduced operating temperature range of -55°C to 85°C and 300V voltage rating, appropriate for standard industrial applications.

Frequently Asked Questions (FAQ)

Q: Can TE Connectivity 5102321-4 directly replace the Molex 0905711201?

A: Yes. Both parts share identical core specifications: 20-position, 2-row header with 0.100" (2.54mm) pitch, shrouded 4-wall construction, through-hole solder termination, and latch lock/eject hooks. The TE 5102321-4 maintains ROHS3 compliance matching the original part.

Q: What is the difference between TE 5102321-4 and TE 5499922-4?

A: Both parts are electrically and mechanically equivalent. The primary difference is packaging: 5102321-4 is supplied in tray packaging with 5,061 pieces in stock, while 5499922-4 is supplied in bulk packaging with 62,300 pieces in stock. The 5499922-4 offers superior availability for high-volume applications.

Q: Does the insulation color difference between TE 2-5102321-4 (blue) and other variants affect compatibility?

A: No. Insulation color is a visual identification feature only and does not affect electrical or mechanical compatibility. The blue insulation on TE 2-5102321-4 provides visual distinction but maintains identical functional performance.

Q: Are there voltage or current rating differences between substitute parts?

A: Yes. The original Molex 0905711201 does not specify voltage or current ratings. TE Connectivity parts are rated at 250VAC and 1A per contact. The 3M D3428-6302-AR is rated at 1.75A per contact with no specified voltage. The JST RX-H201TD-1190(LF)(SN) is rated at 300V and 1A. These ratings are provided specifications and do not indicate incompatibility; they reflect manufacturer test data for the respective designs.

Q: Which substitute part offers the best long-term availability?

A: TE Connectivity 5499922-4 offers the highest inventory level at 62,300 pieces in bulk packaging with active product status. This part is suitable for designs requiring extended production runs and supply chain stability.

Q: Is the JST RX-H201TD-1190(LF)(SN) suitable for high-temperature applications?

A: The JST part operates within -55°C to 85°C, which is narrower than the 3M D3428-6302-AR (-55°C to 105°C) and TE Connectivity parts (typically -65°C to 105°C). For applications requiring extended high-temperature performance, the 3M or TE variants are more appropriate.

Q: What does the contact finish difference (Gold vs. Gold-Palladium) mean for compatibility?

A: Contact finish affects mating durability and corrosion resistance. The original Molex 0905711201 specifies gold mating finish. TE Connectivity substitutes offer gold or gold-palladium mating finish, which provides equivalent or enhanced performance. The 3M D3428-6302-AR specifies gold mating finish, matching the original specification.

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