Molex 2125141010 Rectangular Connector Housing – Equivalent & Substitute Parts

Part Overview

The Molex 2125141010 is a 10-position receptacle housing connector from the Mini-Fit Max 212514 series, designed for crimp-terminated female socket applications. This connector operates across the industrial temperature range of -40°C to 105°C and features a 0.165" (4.20mm) pitch configuration with dual-row layout. The part is currently active in production and maintains full ROHS3 compliance.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specification, enabling direct functional replacement in applications where series-specific design constraints do not apply.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	10
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 to 105°C
Insulation Material	Polyamide (PA), Nylon
Features	Glow Wire Compliant
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for rectangular connector housings is determined by strict alignment of electrical and mechanical parameters. The following criteria establish functional equivalence:

Critical Parameters for Substitution:

Connector type (Receptacle)
Contact type (Female Socket)
Number of positions (10)
Pitch spacing (0.165" / 4.20mm)
Row configuration (2 rows at 0.165" spacing)
Mounting method (Free Hanging In-Line)
Termination type (Crimp)
Fastening mechanism (Latch Lock)
Operating temperature range (-40°C to 105°C)

Secondary Considerations:

Insulation material composition (PA vs. PA66)
Color designation (does not affect electrical function)
Series designation (Mini-Fit Max, Mini-Fit Jr Versa, Mini-Fit TPA2, Mini-Fit Sigma, Minitek Pwr)
Packaging format (Bag vs. Bulk)
Manufacturer (Molex vs. Amphenol ICC/FCI)

All identified substitute parts maintain identical electrical and mechanical specifications across the critical parameters listed above.

Parameter Comparison

Part Number	Manufacturer	Series	Positions	Pitch	Rows	Row Spacing	Contact Type	Termination	Fastening	Temperature Range	Color	Insulation Material	RoHS Status	Packaging	Inventory
2125141010	Molex	Mini-Fit Max 212514	10	0.165" (4.20mm)	2	0.165" (4.20mm)	Female Socket	Crimp	Latch Lock	-40°C to 105°C	Black	Polyamide (PA), Nylon	ROHS3 Compliant	Bag	1669 Pcs
0469921030	Molex	Mini-Fit Jr Versa 46992	10	0.165" (4.20mm)	2	0.165" (4.20mm)	Female Socket	Crimp	Latch Lock	-40°C to 105°C	Green	Polyamide (PA66), Nylon 6/6	ROHS3 Compliant	Bag	2678 Pcs
0469921040	Molex	Mini-Fit Jr Versa 46992	10	0.165" (4.20mm)	2	0.165" (4.20mm)	Female Socket	Crimp	Latch Lock	-40°C to 105°C	Blue	Polyamide (PA66), Nylon 6/6	ROHS3 Compliant	Bag	2543 Pcs
1727080110	Molex	Mini-Fit TPA2 172708	10	0.165" (4.20mm)	2	0.165" (4.20mm)	Female Socket	Crimp	Latch Lock	-40°C to 105°C	Black	Polyamide (PA), Nylon	ROHS3 Compliant	Bulk	7336 Pcs
1727081010	Molex	Mini-Fit Sigma 172708	10	0.165" (4.20mm)	2	0.165" (4.20mm)	Female Socket	Crimp	Latch Lock	-40°C to 105°C	Black	Polyamide (PA), Nylon	ROHS3 Compliant	Bag	6731 Pcs
10127815-10LF	Amphenol ICC (FCI)	Minitek® Pwr 4.2	10	0.165" (4.20mm)	2	0.165" (4.20mm)	Female Socket	Crimp	Latch Lock	-40°C to 105°C	Natural	Polyamide (PA66), Nylon 6/6	RoHS Compliant	Bag	5206 Pcs

Engineering Selection Recommendations

All identified substitute parts maintain active product status and full compliance with applicable regulatory standards. Selection among equivalent parts should be based on the following factors:

Molex Mini-Fit Jr Versa Series (0469921030, 0469921040): These parts offer ROHS3 compliance with PA66 insulation material composition. Color differentiation (green and blue) provides circuit identification capability without affecting electrical performance. Both parts maintain equivalent inventory levels suitable for production deployment.

Molex Mini-Fit TPA2 Series (1727080110): This part is supplied in bulk packaging format and maintains the highest inventory availability (7336 units). It features PA insulation material consistent with the main part specification. MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints during storage and handling.

Molex Mini-Fit Sigma Series (1727081010): This part is supplied in bag packaging with substantial inventory (6731 units). PA insulation material and black color match the main part designation. MSL rating of 1 (Unlimited) provides equivalent moisture handling characteristics.

Amphenol ICC Minitek Pwr 4.2 Series (10127815-10LF): This cross-manufacturer substitute maintains RoHS compliance with PA66 insulation material. REACH Affected status indicates regulatory documentation requirements for certain end-use applications. Natural color designation and equivalent electrical specifications enable direct functional substitution.

Frequently Asked Questions (FAQ)

Q: Can Molex 2125141010 be directly replaced with 0469921030 or 0469921040?

A: Yes. Both parts maintain identical electrical and mechanical specifications including 10 positions, 0.165" pitch, dual-row configuration, crimp termination, and latch lock fastening. Color differentiation (green and blue versus black) does not affect electrical function. Both parts are ROHS3 compliant and operate across the same temperature range (-40°C to 105°C).

Q: What is the difference between 1727080110 and 1727081010?

A: Both parts are from the Molex Mini-Fit TPA2/Sigma series with identical electrical and mechanical specifications. The primary difference is packaging format: 1727080110 is supplied in bulk, while 1727081010 is supplied in bag format. Both maintain PA insulation material, black color, and unlimited MSL rating.

Q: Is the Amphenol ICC 10127815-10LF compatible with Molex connectors?

A: Yes. The 10127815-10LF maintains identical electrical and mechanical parameters: 10 positions, 0.165" pitch, dual-row layout, crimp termination, and latch lock fastening. Operating temperature range (-40°C to 105°C) and glow wire compliance match the Molex specification. The primary distinction is manufacturer origin and REACH Affected status, which requires regulatory documentation for certain applications.

Q: Does insulation material (PA versus PA66) affect substitution eligibility?

A: No. Both PA and PA66 polyamide materials meet the electrical and mechanical requirements for this connector category. Material selection does not impact functional compatibility when all other parameters remain equivalent.

Q: What packaging considerations apply when selecting substitute parts?

A: Packaging format (bag versus bulk) affects handling and inventory management but does not impact electrical or mechanical function. Bulk packaging (1727080110) is suitable for high-volume production environments, while bag packaging is standard for component-level distribution and assembly operations.

Q: Are there any temperature or compliance limitations when substituting these parts?

A: All substitute parts maintain the operating temperature range of -40°C to 105°C and glow wire compliance. ROHS3 compliance applies to all Molex parts. The Amphenol ICC part maintains RoHS compliance with REACH Affected status, requiring verification of regulatory requirements for specific end-use applications.

Q: Can color-coded connectors (green, blue, natural) be used interchangeably with black connectors?

A: Yes, from an electrical and mechanical standpoint. Color designation serves circuit identification purposes only and does not affect connector function. Selection should account for application-specific color-coding requirements and circuit documentation standards.

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