M20-1061100 Equivalent & Substitute Parts

Part Overview

The M20-1061100 is an 11-position rectangular connector housing manufactured by Harwin Inc., designed for 0.100" (2.54mm) pitch applications with crimp termination. This receptacle housing features a single row configuration with free-hanging (in-line) mounting and thermoplastic insulation rated for -25°C to 85°C operation.

The M20-1061100 is classified as obsolete. Equivalent and substitute parts are available from active product lines that maintain the same electrical and mechanical interface parameters, enabling direct functional replacement in applications requiring 11-position, 2.54mm pitch receptacle housings.

Key Parameters

Parameter	M20-1061100 Specification
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	11
Pitch	0.100" (2.54mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Color	Black
Insulation Material	Thermoplastic
Operating Temperature Range	-25°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the M20-1061100 is determined by the following critical parameters:

Connector Type & Contact Configuration: Receptacle with female socket contacts
Position Count & Pitch: 11 positions at 0.100" (2.54mm) spacing
Row Configuration: Single row layout
Mounting Interface: Free hanging (in-line) mounting
Termination Method: Crimp contact termination
Electrical & Environmental Compliance: RoHS3 compliance and MSL 1 rating

Substitute parts are grouped into two categories:

Manufacturer Recommended Equivalent (MFR): M20-1061200 from Harwin Inc. represents an active product line alternative with identical electrical and mechanical parameters except for position count (12 positions). This part maintains the same series designation and manufacturing standards.

Parametric Equivalents: Parts from Molex (0050579011, 0050579211, 0050579311), TE Connectivity (1-103648-0, 2-87175-3), and Amphenol ICC (65240-011LF) provide direct functional equivalence with matching 11-position, 2.54mm pitch receptacle configurations. These parts maintain compatibility across all critical interface parameters while originating from different manufacturer product lines.

Parameter Comparison

Part Number	Manufacturer	Positions	Pitch	Contact Type	Insulation Material	Operating Temperature	Product Status	RoHS Status
M20-1061100	Harwin Inc.	11	0.100" (2.54mm)	Female Socket	Thermoplastic	-25°C ~ 85°C	Obsolete	ROHS3 Compliant
M20-1061200	Harwin Inc.	12	0.100" (2.54mm)	Female Socket	Thermoplastic	-25°C ~ 85°C	Active	ROHS3 Compliant
1-87499-9	TE Connectivity AMP Connectors	11	0.100" (2.54mm)	Male or Female	Not Specified	Not Specified	Discontinued at DiGi Electronics	RoHS Compliant
0050579011	Molex	11	0.100" (2.54mm)	Female Socket	Polyester, Glass Filled	-40°C ~ 105°C	Active	ROHS3 Compliant
0050579211	Molex	11	0.100" (2.54mm)	Female Socket	Polyester, Glass Filled	-40°C ~ 105°C	Active	ROHS3 Compliant
0050579311	Molex	11	0.100" (2.54mm)	Female Socket	Polyester, Glass Filled	-40°C ~ 105°C	Active	ROHS3 Compliant
1-103648-0	TE Connectivity AMP Connectors	11	0.100" (2.54mm)	Female Socket	Thermoplastic	-65°C ~ 105°C	Active	ROHS3 Compliant
2-87175-3	TE Connectivity AMP Connectors	11	0.100" (2.54mm)	Female Socket	Polyester, Glass Filled	-65°C ~ 105°C	Active	RoHS Compliant
65240-011LF	Amphenol ICC (FCI)	11	0.100" (2.54mm)	Female Socket	Thermoplastic, Glass Filled	-65°C ~ 125°C	Active	RoHS Compliant

Engineering Selection Recommendations

For Direct Harwin Series Continuity: M20-1061200 is the manufacturer-recommended equivalent within the active M20 series. This part maintains identical electrical and mechanical specifications with the exception of position count (12 vs. 11). Selection of this part is appropriate when system design can accommodate the additional position or when future expansion is anticipated.

For Active Product Line Equivalents: Molex SL 70066 series parts (0050579011, 0050579211, 0050579311) provide parametric equivalence with active product status and ROHS3 compliance. These parts feature polyester glass-filled insulation with extended operating temperature range (-40°C to 105°C), offering enhanced thermal performance compared to the original specification.

For Extended Temperature Operation: TE Connectivity 1-103648-0 (AMPMODU MTE series) and 2-87175-3 (AMPMODU series) both support -65°C to 105°C operation, providing superior low-temperature performance. The 1-103648-0 maintains thermoplastic insulation matching the original design, while 2-87175-3 uses polyester glass-filled material.

For Maximum Temperature Capability: Amphenol ICC 65240-011LF (DUBOX/MezzSelect/Basics+ series) supports the highest operating temperature range (-65°C to 125°C) and features thermoplastic glass-filled insulation. This part is suitable for applications requiring extended thermal margins. Note: This part features blue housing color rather than black.

Product Status Consideration: All recommended parametric equivalents maintain active product status with current manufacturing and supply availability, eliminating obsolescence risk associated with the M20-1061100.

Frequently Asked Questions (FAQ)

Q: Can M20-1061200 directly replace M20-1061100 in existing designs?

A: M20-1061200 provides electrical and mechanical compatibility with one critical difference: it accommodates 12 positions versus 11. Direct substitution is possible only if the application can accommodate the additional position or if the extra position remains unused. The connector pitch, mounting interface, and termination method are identical.

Q: What is the primary difference between Molex 0050579011, 0050579211, and 0050579311?

A: All three Molex parts share identical electrical and mechanical specifications within the SL 70066 series. Differences exist in internal design variants or manufacturing revisions. Selection among these three parts can be based on availability and supply chain considerations, as they are functionally interchangeable for the M20-1061100 application.

Q: Are there color compatibility considerations when selecting substitutes?

A: The original M20-1061100 features black housing. Most parametric equivalents (Molex, TE Connectivity 1-103648-0, and 2-87175-3) maintain black housing. Amphenol ICC 65240-011LF features blue housing. Color selection should be based on application requirements and assembly documentation specifications.

Q: How do operating temperature ranges affect substitute selection?

A: The M20-1061100 operates from -25°C to 85°C. All parametric equivalents support this range and extend beyond it. Molex parts operate to 105°C, TE Connectivity parts to 105°C, and Amphenol ICC to 125°C. Selection of parts with extended temperature ratings provides additional design margin without compromising compatibility.

Q: What is the significance of insulation material differences?

A: The original M20-1061100 uses thermoplastic insulation. Molex and TE Connectivity 2-87175-3 use polyester glass-filled material, while TE Connectivity 1-103648-0 maintains thermoplastic, and Amphenol ICC uses thermoplastic glass-filled. All materials are suitable for the specified operating conditions. Material selection may be driven by mechanical robustness requirements or assembly process compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Molex parts (0050579011, 0050579211, 0050579311) and TE Connectivity 1-103648-0 are ROHS3 compliant. TE Connectivity 2-87175-3 and Amphenol ICC 65240-011LF are RoHS compliant. All parts meet regulatory requirements for lead-free manufacturing and hazardous substance restrictions.

Q: What inventory considerations should influence substitute selection?

A: Current inventory levels vary across substitute parts. Molex 0050579311 has 1,613 units in stock, Molex 0050579011 has 2,203 units, and Amphenol ICC 65240-011LF has 5,522 units available. TE Connectivity parts range from 872 to 958 units. Selection based on supply availability can reduce procurement lead times and support production schedules.

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