Molex 0905712101 Equivalent & Substitute Parts

Part Overview

The Molex 0905712101 is a rectangular connector header designed for through-hole mounting applications. This connector features a vertical orientation with 10 positions arranged in 2 rows at 0.100" (2.54mm) pitch, utilizing shrouded 4-wall construction with solder termination and latch lock/eject hook fastening. The part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	10
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Shrouding	Shrouded - 4 Wall
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Latch Lock/Eject Hooks
Contact Finish - Mating	Gold
Contact Finish - Post	Tin
Insulation Material	Polyester, Glass Filled
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0905712101 are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Matching Criteria:

Connector type: Header
Contact type: Male Pin
Number of positions: 10
Number of rows: 2
Pitch - mating: 0.100" (2.54mm)
Row spacing - mating: 0.100" (2.54mm)
Mounting type: Through Hole
Termination: Solder
Shrouding: Shrouded - 4 Wall
Contact finish - mating: Gold
Contact finish - post: Tin
Insulation material: Glass-filled polymer
Material flammability rating: UL94 V-0
Insulation color: Black

All substitute parts listed maintain these core electrical and mechanical parameters, ensuring direct functional equivalence for board-level interconnection applications. Variations in contact length, insulation height, and fastening hook configuration do not affect primary circuit function but may require mechanical validation in specific mounting scenarios.

Parameter Comparison

Parameter	Molex 0905712101	TE Connectivity 5499206-1	3M N3793-2302RB	3M N3793-6302RB	3M N3793-6303RB
Manufacturer	Molex	TE Connectivity AMP Connectors	3M	3M	3M
Product Status	Obsolete	Active	Active	Active	Active
Series	QF 50 90571	AMP-Latch	3000	3000	3000
Connector Type	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	10	10	10	10	10
Number of Rows	2	2	2	2	2
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 3 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	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
Contact Length - Mating	0.228" (5.80mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.138" (4.60mm)	0.110" (2.79mm)	0.112" (2.84mm)	0.112" (2.84mm)	0.155" (3.94mm)
Overall Contact Length	0.657" (16.70mm)	0.639" (16.23mm)	0.652" (16.56mm)	0.652" (16.56mm)	0.695" (17.65mm)
Insulation Height	0.551" (14.00mm)	0.549" (13.94mm)	0.680" (17.27mm)	0.680" (17.27mm)	0.680" (17.27mm)
Contact Shape	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold or Gold-Palladium	Gold	Gold	Gold
Contact Finish - Post	Tin	Tin	Tin	Tin	Tin
Insulation Material	Polyester, Glass Filled	Not specified	PCT, Polyester, Glass Filled	PCT, Polyester, Glass Filled	PCT, Polyester, Glass Filled
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black
Operating Temperature	Not specified	-65°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Current Rating (Amps)	Not specified	1A	1.75A	1.75A	1.75A
Voltage Rating	Not specified	250VAC	Not specified	Not specified	Not specified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All listed substitute parts maintain active product status, ensuring long-term availability and manufacturing support. The TE Connectivity 5499206-1 and 3M N3793 series parts are all RoHS compliant with REACH unaffected status, meeting current environmental and regulatory requirements.

For applications requiring the original Molex 0905712101 specifications, the 3M N3793-6302RB and N3793-6303RB offer the closest mechanical alignment with 4-wall shrouding configuration. The N3793-6303RB provides extended contact post length (0.155" vs. 0.138" on the original), suitable for applications with deeper PCB mounting requirements. The N3793-2302RB features 3-wall shrouding, which may require mechanical validation in designs with tight shroud clearance specifications.

The TE Connectivity 5499206-1 provides an alternative from a different manufacturer with active status and specified operating temperature range (-65°C to 105°C) and voltage rating (250VAC), offering additional performance documentation for applications requiring extended environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can the 3M N3793-2302RB substitute for the Molex 0905712101 despite having 3-wall shrouding instead of 4-wall?

A: The N3793-2302RB maintains all critical electrical and mating parameters. The 3-wall shrouding configuration differs mechanically but does not affect electrical function. Applications must validate that the reduced shroud coverage does not conflict with mechanical constraints or EMI requirements specific to the design.

Q: What is the significance of the contact post length variations among substitute parts?

A: Contact post length determines the depth of solder engagement on the PCB. The original Molex part specifies 0.138" (4.60mm), while substitutes range from 0.110" to 0.155". Designs with specific PCB thickness or solder fillet requirements must confirm that the substitute post length accommodates the intended mounting depth without compromising solder joint integrity.

Q: Are all substitute parts suitable for the same current and voltage applications as the original?

A: The original Molex 0905712101 does not specify current or voltage ratings. Substitute parts provide documented ratings: TE Connectivity 5499206-1 is rated for 1A at 250VAC, while 3M N3793 series parts are rated for 1.75A. Applications must confirm that substitute ratings meet or exceed the intended electrical load.

Q: What packaging options are available for these substitute parts?

A: The TE Connectivity 5499206-1 is supplied in Tray packaging. The 3M N3793 series parts (N3793-2302RB, N3793-6302RB, N3793-6303RB) are supplied in Bulk packaging. Procurement requirements for specific packaging formats should be confirmed with the supplier.

Q: Do all substitute parts meet the same environmental compliance standards as the original?

A: All substitute parts are RoHS compliant and REACH unaffected, matching the original Molex part's compliance status. All parts carry UL94 V-0 flammability rating and MSL 1 (Unlimited) moisture sensitivity level, ensuring equivalent environmental qualification.

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