Molex 0901512106 Equivalent & Substitute Parts

Part Overview

The Molex 0901512106 is a 6-position receptacle connector with 0.100" (2.54mm) pitch, designed for through-hole PCB mounting with solder termination. This connector features tin contact finish, rated for 3A at 350V, and operates across -55°C to 105°C. The part is active in production and RoHS3 compliant. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support applications requiring alternative contact finishes, insulation materials, or mechanical configurations while maintaining core electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Number of Positions	6
Pitch - Mating	0.100" (2.54mm)
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Style	Board to Board
Current Rating	3A
Voltage Rating	350V
Operating Temperature	-55°C to 105°C
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following core parameters: 6-position configuration, 0.100" (2.54mm) pitch, 2-row layout with 0.100" row spacing, through-hole solder termination, push-pull fastening, square contact shape, and board-to-board mounting style. All identified substitutes maintain these electrical and mechanical specifications. Variations in contact finish (tin versus gold), insulation material composition, insulation height, contact length, and connector series are permitted within the substitute group, as these do not affect mating compatibility or core electrical performance. Operating temperature range, current rating, voltage rating, and RoHS compliance status are documented for each part to support design validation and regulatory requirements.

Parameter Comparison

Parameter	0901512106 (Molex)	534206-3 (TE)	76314-103LF (Amphenol)	76314-203LF (Amphenol)	76342-303LF (Amphenol)	87606-303LF (Amphenol)	89891-303LF (Amphenol)	BCS-103-F-D-TE (Samtec)	BCS-103-L-D-DE (Samtec)	BCS-103-T-D-TE (Samtec)
Number of Positions	6	6	6	6	6	6	6	6	6	6
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 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)
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	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Tin	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Gold	Tin
Insulation Color	Black	Black	Blue	Blue	Blue	Blue	Blue	Black	Black	Black
Insulation Height	0.335" (8.51mm)	0.320" (8.13mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.275" (6.99mm)	0.335" (8.51mm)	0.335" (8.51mm)	0.290" (7.37mm)	0.290" (7.37mm)	0.290" (7.37mm)
Contact Length - Post	0.114" (2.90mm)	0.115" (2.92mm)	0.135" (3.43mm)	0.135" (3.43mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.114" (2.90mm)	0.122" (3.10mm)	0.120" (3.05mm)	0.122" (3.10mm)
Operating Temperature	-55°C to 105°C	-65°C to 125°C	Not specified	Not specified	Not specified	Not specified	Not specified	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Current Rating	3A	2A	Not specified	Not specified	Not specified	Not specified	Not specified	4.6A per Contact	4.6A per Contact	4.6A per Contact
Voltage Rating	350V	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	475VAC	475VAC	475VAC
RoHS Status	ROHS3 Compliant	Not applicable	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Affected	REACH Unaffected	REACH Affected	REACH Affected	REACH Affected	REACH Affected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All listed substitute parts maintain the core electrical and mechanical specifications required for direct mating compatibility with the Molex 0901512106. Selection among substitutes depends on specific application requirements and regulatory constraints.

For applications requiring ROHS3 compliance and REACH unaffected status, the Samtec Tiger Claw BCS series (BCS-103-F-D-TE, BCS-103-L-D-DE, BCS-103-T-D-TE) provides the closest regulatory alignment to the original part. These connectors offer higher current ratings (4.6A per contact) and voltage ratings (475VAC) compared to the original specification, supporting higher-power applications. The BCS-103-T-D-TE variant matches the tin contact finish of the original part.

For applications where RoHS compliance (without ROHS3 requirement) is acceptable, the Amphenol ICC BergCon and Dubox series provide gold contact finish options with varying insulation heights and contact lengths. The 76314-103LF and 76314-203LF maintain the same insulation height as the original part (0.335"), while 76342-303LF and 87606-303LF offer alternative mechanical profiles.

The TE Connectivity 534206-3 provides an alternative with extended operating temperature range (-65°C to 125°C) but carries lower current rating (2A) and is not RoHS3 compliant. This part is suitable for temperature-critical applications where the reduced current rating does not present a constraint.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0901512106 be directly replaced with any of these substitute parts?

A: Yes. All listed substitutes maintain the same 6-position, 0.100" pitch, 2-row configuration with 0.100" row spacing, through-hole solder termination, and push-pull fastening. Mating compatibility is preserved across all alternatives.

Q: What is the primary difference between the tin and gold contact finish options?

A: Contact finish affects corrosion resistance and contact resistance characteristics. Tin finish (0901512106, BCS-103-T-D-TE) provides cost efficiency and adequate performance in standard environments. Gold finish (534206-3, 76314-103LF, 76314-203LF, 76342-303LF, 87606-303LF, BCS-103-F-D-TE, BCS-103-L-D-DE) offers superior corrosion resistance and lower contact resistance, beneficial in high-reliability or harsh environment applications.

Q: Are there mechanical differences that affect PCB layout?

A: Insulation height and contact length vary among substitutes. The original part and most Amphenol alternatives maintain 0.335" insulation height. Samtec BCS series connectors have 0.290" insulation height, and Amphenol 76342-303LF has 0.275" height. Contact length variations range from 0.114" to 0.135". These differences may affect stacking height and PCB clearance requirements; verify mechanical fit for your specific application.

Q: Which substitute offers the best performance upgrade?

A: The Samtec BCS-103 series provides the highest current rating (4.6A per contact versus 3A) and voltage rating (475VAC versus 350V), along with ROHS3 compliance and REACH unaffected status. These parts support higher-power applications while maintaining regulatory compliance.

Q: What is the significance of REACH Affected versus REACH Unaffected status?

A: REACH Unaffected parts contain no substances of very high concern (SVHC) and require no additional regulatory documentation. REACH Affected parts may contain SVHC and require compliance documentation and potential restrictions depending on application and jurisdiction. For applications subject to strict REACH requirements, select REACH Unaffected alternatives.

Q: Can I use the TE Connectivity 534206-3 in a high-current application?

A: The 534206-3 is rated for 2A, lower than the original 3A specification. Use this part only in applications where the 2A rating is sufficient. For applications requiring 3A or higher, select alternatives with matching or higher current ratings.

Q: What packaging options are available?

A: The original Molex part is supplied in Tube packaging. Substitute parts are available in Tube (534206-3) or Bulk (all Amphenol and Samtec parts) packaging. Verify packaging requirements for your procurement and assembly processes.

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