Equivalent & Substitute Parts for Molex 0334721422

Part Overview

The Molex 0334721422 is a 12-position rectangular connector receptacle housing designed for the MX150 33472 series. This component functions as a housing for female socket contacts with a 0.138" (3.50mm) pitch configuration, supporting two-row arrangements in free-hanging inline mounting applications. The part is currently active in production with 666 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across alternative part numbers, enabling procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer	Molex
Category	Rectangular Connectors
Series	MX150 33472
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	12
Pitch	0.138" (3.50mm)
Number of Rows	2
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Fastening Type	Latch Holder
Features	Sealed

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0334721422 is determined by strict equivalence across the following critical parameters:

Connector Type and Contact Configuration: Receptacle housing with female socket contacts
Position Count and Pitch: 12 positions at 0.138" (3.50mm) spacing
Row Configuration: 2-row arrangement
Mounting and Termination: Free hanging inline mounting with crimp termination
Fastening Mechanism: Latch holder design
Series Compatibility: MX150 33472 series designation
Sealed Feature: Environmental protection requirement

The substitute part Molex 0334721207 maintains all critical electrical and mechanical parameters required for functional interchangeability within the MX150 33472 connector system. Variations in color, insulation material composition, and operating temperature specifications do not affect core substitution eligibility when these parameters are not design-critical constraints.

Parameter Comparison

Parameter	0334721422 (Main Part)	0334721207 (Substitute)
Manufacturer	Molex	Molex
Category	Rectangular Connectors	Rectangular Connectors
Series	MX150 33472	MX150 33472
Description	CONN RCPT HSG 12POS 3.50MM	CONN RCPT HSG 12POS 3.50MM
Connector Type	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket
Number of Positions	12	12
Pitch	0.138" (3.50mm)	0.138" (3.50mm)
Number of Rows	2	2
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Contact Termination	Crimp	Crimp
Fastening Type	Latch Holder	Latch Holder
Features	Sealed	Sealed
Color	Black	Gray
Insulation Material	Syndiotactic Polystyrene (SPS), Glass Filled	Polyamide (PA), Nylon, Glass Filled; Syndiotactic Polystyrene (SPS)
Product Status	Active	Active
Inventory Status	666 Pcs New Original In Stock	4771 Pcs New Original In Stock

Engineering Selection Recommendations

Both the Molex 0334721422 and Molex 0334721207 are active production components within the MX150 33472 rectangular connector series. Selection between these parts is based on the following engineering considerations:

Molex 0334721422 is specified when black housing color is a design requirement or when Syndiotactic Polystyrene (SPS) glass-filled insulation material is mandated by application specifications.

Molex 0334721207 is selected when gray housing color is acceptable and when polyamide (PA) nylon glass-filled insulation material meets application requirements. This substitute part carries RoHS3 compliance certification and REACH unaffected status, providing additional regulatory documentation. The substitute part maintains a higher inventory level (4771 units) compared to the main part (666 units), supporting improved supply chain availability.

Both parts are rated for identical electrical and mechanical performance within the MX150 33472 connector ecosystem and support equivalent contact termination and fastening specifications.

Frequently Asked Questions (FAQ)

Q: Can Molex 0334721207 be used as a direct replacement for Molex 0334721422?

A: Yes. Both parts maintain identical connector type, position count, pitch, row configuration, mounting type, contact termination, and fastening mechanism. The parts are functionally interchangeable within the MX150 33472 series when color and insulation material specifications do not impose design constraints.

Q: What are the differences between these substitute parts?

A: The primary differences are housing color (black versus gray), insulation material composition (SPS glass-filled versus polyamide nylon glass-filled with SPS), and regulatory certifications. The substitute part includes RoHS3 compliance and REACH unaffected status documentation. Operating temperature range is specified for the substitute part (-40°C ~ 150°C) but not provided for the main part.

Q: Does packaging type affect substitution eligibility?

A: Packaging type (bulk versus other formats) does not affect electrical or mechanical interchangeability. The substitute part is supplied in bulk packaging, while the main part packaging is not specified. Packaging selection is determined by procurement and inventory management requirements rather than functional compatibility.

Q: Are contacts included with these housing parts?

A: No. Both the main part and substitute part are housings only. Contacts are not included and must be procured separately. Ensure that selected contacts are compatible with the MX150 33472 series specification.

Q: What is the significance of the Moisture Sensitivity Level (MSL) difference?

A: The main part lists MSL as not applicable, while the substitute part is rated MSL 1 (unlimited). MSL 1 indicates the component can be stored indefinitely without moisture control measures. This difference reflects material composition variations and does not affect functional performance in sealed connector applications.

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