Equivalent & Substitute Parts for Molex 0702800710

Part Overview

The Molex 0702800710 is an active rectangular connector header designed for through-hole mounting applications. This vertical 4-position connector operates at 2.54mm pitch and is widely used in automotive, medical, telecommunications, and general-purpose applications. The part is RoHS3 compliant and carries UL94 V-0 flammability rating. Substitute parts are necessary to address supply chain variations, inventory availability, or specific application requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	0702800710
Manufacturer	Molex
Category	Rectangular Connectors
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	4
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Shrouding	Unshrouded
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0702800710 is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 4
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Connector Type: Header
Contact Type: Male Pin
Mounting Type: Through Hole
Termination: Solder
Fastening Type: Push-Pull
Shrouding: Unshrouded
Style: Board to Board or Cable
Number of Positions Loaded: All

Compliance Parameters (Must Meet or Exceed):

Material Flammability Rating: UL94 V-0
RoHS Status: RoHS Compliant or better
Moisture Sensitivity Level: 1 (Unlimited)

All four substitute parts listed meet these critical and compliance parameters. Variations in contact length, contact finish, insulation material, and operating temperature are acceptable within the scope of this product category, provided the core mechanical and electrical interface specifications remain identical.

Parameter Comparison

Parameter	Molex 0702800710	Amphenol ICC 77313-122-04LF	Amphenol ICC 77313-124-04LF	3M 929665-01-02-EU	3M 929836-01-02-RK
Manufacturer	Molex	Amphenol ICC (FCI)	Amphenol ICC (FCI)	3M	3M
Series	C-Grid 70280	BERGSTIK®	BERGSTIK®	929	929
Connector Type	Header, Breakaway	Header, Breakaway	Header, Breakaway	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	4	4	4	4	4
Number of Rows	2	2	2	2	2
Row Spacing - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Shrouding	Unshrouded	Unshrouded	Unshrouded	Unshrouded	Unshrouded
Style	Board to Board or Cable	Board to Board or Cable	Board to Board or Cable	Board to Board	Board to Board
Contact Length - Mating	0.320" (8.13mm)	0.305" (7.75mm)	0.266" (6.75mm)	0.235" (5.97mm)	0.235" (5.97mm)
Contact Length - Post	0.185" (4.70mm)	0.120" (3.05mm)	0.114" (2.90mm)	0.110" (2.79mm)	0.110" (2.79mm)
Overall Contact Length	0.595" (15.11mm)	0.526" (13.35mm)	0.480" (12.19mm)	0.445" (11.30mm)	0.445" (11.30mm)
Insulation Height	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square	Square	Square
Contact Finish - Mating	Tin	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold	Tin
Contact Material	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic	Thermoplastic	Polycyclohexylenedimethylene Terephthalate (PCT)	Polycyclohexylenedimethylene Terephthalate (PCT)
Operating Temperature	Not specified	-65°C ~ 130°C	-65°C ~ 130°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating (Amps)	Not specified	3A per Contact	3A per Contact	2.5A	2.5A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black
RoHS Status	RoHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All four substitute parts are active products with RoHS compliance and UL94 V-0 flammability ratings, meeting the core compliance requirements of the Molex 0702800710.

Amphenol ICC 77313-122-04LF and 77313-124-04LF are manufacturer-recommended substitutes from the BERGSTIK® series. Both support extended operating temperature ranges (-65°C to 130°C) and higher current ratings (3A per contact) compared to the original part. The primary difference between these two Amphenol options is contact length, with 77313-122-04LF providing longer mating contact length (0.305" vs. 0.266"). Both feature gold or gold GXT™ mating contact finish and phosphor bronze contact material.

3M 929665-01-02-EU features gold mating and post contact finish with copper alloy material. Operating temperature range is -40°C to 105°C with 2.5A current rating per contact. Insulation material is polycyclohexylenedimethylene terephthalate (PCT).

3M 929836-01-02-RK is functionally equivalent to 929665-01-02-EU with identical contact length and electrical specifications. The primary distinction is tin mating contact finish instead of gold, with the same 2.5A current rating and -40°C to 105°C operating temperature range.

Selection between substitutes depends on application-specific requirements for contact finish, operating temperature range, and current capacity. All parts maintain identical pitch, position count, and mechanical interface specifications.

Frequently Asked Questions (FAQ)

Q: Can I substitute the Molex 0702800710 with any of these parts directly?

A: Yes. All four substitute parts maintain identical mating pitch (0.100" / 2.54mm), position count (4), row configuration (2 rows), and mechanical interface specifications. They are electrically and mechanically compatible for board-to-board or cable applications.

Q: What is the difference between the two Amphenol ICC parts?

A: Both 77313-122-04LF and 77313-124-04LF are BERGSTIK® series headers with identical electrical specifications (3A per contact, -65°C to 130°C operating range). The primary difference is contact length: 77313-122-04LF has 0.305" mating contact length, while 77313-124-04LF has 0.266" mating contact length. Selection depends on PCB stack-up and mating depth requirements.

Q: What is the difference between the two 3M parts?

A: Both 929665-01-02-EU and 929836-01-02-RK are 929 series headers with identical contact length, operating temperature (-40°C to 105°C), and current rating (2.5A per contact). The difference is contact finish: 929665-01-02-EU features gold finish on both mating and post contacts, while 929836-01-02-RK features tin finish on both mating and post contacts.

Q: Are there operating temperature differences I should consider?

A: Yes. The Amphenol ICC parts support -65°C to 130°C, while the 3M parts support -40°C to 105°C. For applications requiring extended low-temperature operation below -40°C or high-temperature operation above 105°C, the Amphenol ICC substitutes are appropriate.

Q: What is the current rating difference?

A: Amphenol ICC parts are rated for 3A per contact, while 3M parts are rated for 2.5A per contact. For applications requiring higher current capacity, Amphenol ICC substitutes are suitable.

Q: Do all parts have the same RoHS and flammability compliance?

A: All parts are RoHS compliant and carry UL94 V-0 flammability rating. The original Molex part is RoHS3 compliant, while substitute parts are RoHS compliant. All parts have MSL 1 (Unlimited) moisture sensitivity level.

Q: Which substitute should I choose for general-purpose applications?

A: For general-purpose applications without extreme temperature or current requirements, any of the four substitutes are suitable. The 3M 929836-01-02-RK offers tin contact finish similar to the original Molex part and is widely available.

Q: Can I mix and match these parts in the same assembly?

A: All parts maintain identical mechanical interface specifications and are interchangeable at the board level. However, contact finish differences (tin vs. gold) may affect mating force and long-term reliability in specific environments. Consistency within an assembly is recommended.

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