Molex 0347910141 Equivalent & Substitute Parts

Part Overview

The Molex 0347910141 is a 4-position rectangular connector receptacle housing with 2.00mm pitch, designed for free-hanging in-line applications. This component is part of the Mini50 34791 series and features a gray polybutylene terephthalate (PBT) insulation material rated for operating temperatures between -40°C and 105°C. The part is ROHS3 compliant and currently in active production status with 5,344 units in stock.

Equivalent and substitute parts are necessary when specific color requirements, packaging formats, or alternative series options are needed for design flexibility, supply chain optimization, or application-specific constraints.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	4
Pitch	0.079" (2.00mm)
Number of Rows	1
Mounting Type	Free Hanging (In-Line)
Contact Termination	Crimp
Fastening Type	Latch Holder
Insulation Material	Polybutylene Terephthalate (PBT)
Operating Temperature Range	-40°C ~ 105°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the Molex 0347910141 are grouped into two categories based on allowed electrical and mechanical parameters:

Category 1: Mini50 34791 Series (Same Series, Color Variants) Parts 0347910040, 0347910041, 0347910042, and 0347910043 maintain identical electrical and mechanical specifications as the main part. These substitutes differ only in housing color (black, gray, brown, and green respectively) and packaging format (bulk versus bag). All retain the same 4-position configuration, 2.00mm pitch, PBT insulation material, and -40°C to 105°C operating temperature range. These parts are direct functional equivalents with no performance trade-offs.

Category 2: DuraClik Series (Alternative Series, Enhanced Performance) Parts 5023510400, 5023510401, and 5051510400 represent alternative connector series with identical electrical and mechanical core specifications. The DuraClik 502351 series (5023510400, 5023510401) maintains PBT insulation and identical operating parameters. The DuraClik 505151 series (5051510400) uses polyamide (PA) nylon insulation material and extends the operating temperature range to -40°C to 125°C, providing enhanced thermal performance.

Key Parameters Determining Substitution:

4-position receptacle configuration
2.00mm pitch spacing
Female socket contact type
Crimp termination
Latch holder fastening
Free-hanging in-line mounting
ROHS3 compliance
MSL 1 rating

Parameter Comparison

Part Number	Manufacturer	Series	Color	Insulation Material	Operating Temperature	Packaging	Inventory (Pcs)
0347910141	Molex	Mini50 34791	Gray	PBT	-40°C ~ 105°C	Bag	5,344
0347910040	Molex	Mini50 34791	Black	PBT	-40°C ~ 105°C	Bulk	7,216
0347910041	Molex	Mini50 34791	Gray	PBT	-40°C ~ 105°C	Bulk	5,843
0347910042	Molex	Mini50 34791	Brown	PBT	-40°C ~ 105°C	Bulk	2,254
0347910043	Molex	Mini50 34791	Green	PBT	-40°C ~ 105°C	Bulk	6,509
5023510400	Molex	DuraClik 502351	Natural	PBT	-40°C ~ 105°C	Bulk	183,094
5023510401	Molex	DuraClik 502351	Black	PBT	-40°C ~ 105°C	Bulk	71,063
5051510400	Molex	DuraClik 505151	Black	PA Nylon	-40°C ~ 125°C	Bulk	2,400

Engineering Selection Recommendations

Mini50 34791 Series Substitutes (0347910040, 0347910041, 0347910042, 0347910043)

These parts are functionally equivalent to the main part 0347910141 and are suitable for direct substitution when color coding or packaging format requirements differ. All maintain ROHS3 compliance, MSL 1 rating, and identical electrical and mechanical specifications. Selection among these variants depends on circuit board color-coding standards or assembly process requirements. The bulk packaging format of these substitutes may be advantageous for high-volume production environments.

DuraClik 502351 Series Substitutes (5023510400, 5023510401)

These parts provide equivalent functionality with significantly higher inventory availability, particularly 5023510400 with 183,094 units in stock. Both maintain PBT insulation and identical operating temperature specifications. These substitutes are appropriate when supply chain continuity is a priority or when bulk packaging is required. ROHS3 compliance and MSL 1 rating are maintained.

DuraClik 505151 Series Substitute (5051510400)

Part 5051510400 offers enhanced thermal performance with an extended operating temperature range of -40°C to 125°C, compared to the standard -40°C to 105°C range. The polyamide (PA) nylon insulation material provides alternative material properties while maintaining all other electrical and mechanical specifications. This substitute is appropriate for applications requiring higher temperature operation or where PA nylon material compatibility is specified. ROHS3 compliance and MSL 1 rating are maintained.

Frequently Asked Questions (FAQ)

Q: Can I substitute 0347910141 with 0347910040?

A: Yes. Part 0347910040 is a direct functional equivalent with identical electrical and mechanical specifications. The only differences are housing color (black versus gray) and packaging format (bulk versus bag). Substitution is appropriate if black color coding is acceptable for your application.

Q: What is the difference between Mini50 34791 and DuraClik series substitutes?

A: Both series maintain identical 4-position, 2.00mm pitch receptacle specifications with female socket contacts. The primary differences are series designation, color options, and inventory availability. DuraClik series parts offer significantly higher stock levels. The DuraClik 505151 series (5051510400) additionally provides extended temperature range (-40°C to 125°C) and polyamide insulation material.

Q: Is 5051510400 compatible with applications designed for 0347910141?

A: Yes, for electrical and mechanical compatibility. Part 5051510400 maintains the same 4-position, 2.00mm pitch configuration, female socket contacts, and crimp termination. However, the polyamide (PA) nylon insulation material differs from the PBT material in 0347910141. Verify material compatibility with your specific application requirements before substitution.

Q: Why do some substitute parts show "Contacts Not Included"?

A: This notation indicates that the housing is supplied without pre-installed contacts. The main part 0347910141 is supplied in bag packaging and includes contacts. Bulk-packaged substitutes (0347910040, 0347910041, 0347910042, 0347910043, 5023510400, 5023510401, 5051510400) are supplied as housings only. Contacts must be sourced separately if not already available in your assembly process.

Q: Can I use 5023510400 as a substitute if my design specifies gray color?

A: No. Part 5023510400 is supplied in natural color. For gray color requirements, use 0347910141 or 0347910041. If color substitution is necessary, 0347910040 (black) or 0347910043 (green) are available alternatives within the Mini50 34791 series.

Q: What is the operating temperature difference between 5051510400 and other substitutes?

A: Part 5051510400 operates from -40°C to 125°C, providing a 20°C higher maximum temperature rating compared to all other listed substitutes, which operate from -40°C to 105°C. This extended range is due to the polyamide (PA) nylon insulation material. Use 5051510400 only if your application requires operation above 105°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (0347910040, 0347910041, 0347910042, 0347910043, 5023510400, 5023510401, 5051510400) maintain ROHS3 compliance status identical to the main part 0347910141.

Q: Which substitute has the highest inventory availability?

A: Part 5023510400 (DuraClik 502351 series, natural color) has the highest inventory with 183,094 units in stock, followed by 5023510401 with 71,063 units. These high-availability options are suitable for applications where supply chain continuity is critical.

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