Equivalent & Substitute Parts for Molex 2125141012

Part Overview

The Molex 2125141012 is a 12-position rectangular connector receptacle housing from the Mini-Fit Max 212514 series. This component functions as a female socket receptacle for crimp-terminated contacts in free-hanging, in-line applications. The part is actively manufactured and maintains ROHS3 compliance with glow wire certification for safety-critical applications.

Substitute parts are identified to address inventory availability, series preference, manufacturer alternatives, or specific application requirements while maintaining electrical and mechanical compatibility within the 12-position, 4.20mm pitch rectangular connector category.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	12
Pitch	0.165" (4.20mm)
Number of Rows	2
Row Spacing	0.165" (4.20mm)
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Fastening Type	Latch Lock
Operating Temperature Range	-40°C ~ 105°C
Insulation Material	Polyamide (PA), Nylon
Features	Glow Wire Compliant
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 2125141012 is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Parameters:

Connector Type: Receptacle
Contact Type: Female Socket
Number of Positions: 12
Pitch: 0.165" (4.20mm)
Number of Rows: 2
Row Spacing: 0.165" (4.20mm)
Mounting Type: Free Hanging (In-Line)
Contact Termination: Crimp
Fastening Type: Latch Lock
Operating Temperature Range: -40°C ~ 105°C
Glow Wire Compliance: Required

All identified substitute parts meet these mandatory parameters. Variations in color, series designation, packaging format, and manufacturer do not affect electrical or mechanical compatibility within the rectangular connector housing category.

Parameter Comparison

Part Number	Manufacturer	Series	Color	Packaging	Positions	Pitch	Rows	Insulation Material	Operating Temp	RoHS Status	Inventory (Pcs)
2125141012	Molex	Mini-Fit Max 212514	Black	Bag	12	0.165" (4.20mm)	2	Polyamide (PA), Nylon	-40°C ~ 105°C	ROHS3	1450
0469921220	Molex	Mini-Fit Jr Versa 46992	Red	Bag	12	0.165" (4.20mm)	2	Polyamide (PA66), Nylon 6/6	-40°C ~ 105°C	ROHS3	3021
0469921230	Molex	Mini-Fit Jr Versa 46992	Green	Bag	12	0.165" (4.20mm)	2	Polyamide (PA66), Nylon 6/6	-40°C ~ 105°C	ROHS3	2970
1727080112	Molex	Mini-Fit TPA2 172708	Black	Bulk	12	0.165" (4.20mm)	2	Polyamide (PA), Nylon	-40°C ~ 105°C	ROHS3	7765
1727081012	Molex	Mini-Fit Sigma 172708	Black	Bag	12	0.165" (4.20mm)	2	Polyamide (PA), Nylon	-40°C ~ 105°C	ROHS3	7105
10127815-12LF	Amphenol ICC (FCI)	Minitek® Pwr 4.2	Natural	Bag	12	0.165" (4.20mm)	2	Polyamide (PA66), Nylon 6/6	-40°C ~ 105°C	RoHS Compliant	675

Engineering Selection Recommendations

Molex 2125141012 (Primary Part): Active status with ROHS3 compliance and 1450 units in stock. Suitable for applications requiring Mini-Fit Max series connectors with standard black housing.

Molex 0469921220 (Red Housing): Active status with ROHS3 compliance and highest inventory availability at 3021 units. Mini-Fit Jr Versa series with PA66 insulation material. Suitable when color coding is required for circuit identification or when Mini-Fit Jr Versa series is specified.

Molex 0469921230 (Green Housing): Active status with ROHS3 compliance and 2970 units in stock. Mini-Fit Jr Versa series with PA66 insulation material. Suitable when green color coding is required for circuit identification or when Mini-Fit Jr Versa series is specified.

Molex 1727080112 (Bulk Packaging): Active status with ROHS3 compliance and highest inventory at 7765 units. Mini-Fit TPA2 series in bulk packaging format. Suitable for high-volume applications or when bulk packaging is preferred over bagged units.

Molex 1727081012 (Bagged Packaging): Active status with ROHS3 compliance and 7105 units in stock. Mini-Fit Sigma series in bagged packaging. Suitable when Mini-Fit Sigma series is specified or when bagged format is required.

Amphenol ICC 10127815-12LF (Cross-Manufacturer): Active status with RoHS compliance and 675 units in stock. Minitek® Pwr 4.2 series from alternative manufacturer. Suitable when cross-manufacturer compatibility is acceptable and Amphenol ICC sourcing is preferred.

All substitute parts maintain full electrical and mechanical compatibility with the original Molex 2125141012 within the rectangular connector housing category.

Frequently Asked Questions (FAQ)

Q: Can Molex 0469921220 directly replace Molex 2125141012 in existing assemblies?

A: Yes. Both parts are 12-position receptacle housings with 0.165" (4.20mm) pitch, identical row spacing, crimp termination, and latch lock fastening. The difference in color (red versus black) and series designation (Mini-Fit Jr Versa versus Mini-Fit Max) does not affect electrical or mechanical compatibility. Insulation material differs (PA66 versus PA), but both meet operating temperature requirements of -40°C to 105°C.

Q: What is the difference between bagged and bulk packaging options?

A: Molex 1727080112 is supplied in bulk packaging, while Molex 2125141012 and 1727081012 are supplied in bagged packaging. Packaging format does not affect connector performance or compatibility. Selection depends on inventory management practices and order quantity requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Molex parts 2125141012, 0469921220, 0469921230, 1727080112, and 1727081012 are ROHS3 compliant. Amphenol ICC 10127815-12LF is RoHS compliant. All parts meet environmental compliance requirements for their respective regulatory frameworks.

Q: Can the Amphenol ICC 10127815-12LF be used as a substitute for Molex parts?

A: Yes. The Amphenol ICC 10127815-12LF meets all mandatory electrical and mechanical parameters: 12 positions, 0.165" (4.20mm) pitch, 2-row configuration, crimp termination, latch lock fastening, and -40°C to 105°C operating temperature range. Cross-manufacturer substitution is valid when application requirements do not specify a particular manufacturer.

Q: What inventory levels should be considered when selecting a substitute?

A: Inventory availability ranges from 675 units (Amphenol ICC 10127815-12LF) to 7765 units (Molex 1727080112). Selection based on inventory should align with project lead time requirements and supply chain strategy. Higher inventory levels reduce procurement risk for high-volume applications.

Q: Do all substitute parts support glow wire compliance?

A: Yes. All identified substitute parts are glow wire compliant, meeting safety requirements for applications involving potential ignition hazards.

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