Molex 0702800752 Equivalent & Substitute Parts

Part Overview

The Molex 0702800752 is a rectangular connector header designed for through-hole mounting with 8 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This C-Grid 70280 series component features male pins with gold-plated mating contacts and tin-plated posts, suitable for board-to-board or cable applications in automotive, general purpose, lighting, medical, and telecommunications sectors. The part maintains active product status with 946 units in current inventory. Substitute parts are necessary when addressing supply constraints, design revisions requiring alternative contact finishes or insulation materials, or when transitioning from obsolete components to current production alternatives.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	8
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Contact Shape	Square
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0702800752 is determined by strict alignment with the following core parameters: 0.100" (2.54mm) mating pitch, 8-position configuration in 2 rows, male pin contact type, through-hole solder termination, square contact shape, and UL94 V-0 flammability rating. Acceptable variations include differences in contact length specifications (mating and post lengths), contact finish composition (gold or tin-lead plating thickness), insulation material formulation (LCP versus thermoplastic variants), operating temperature ranges, and current ratings, provided these variations do not compromise mechanical fit or electrical performance in the target application. All substitute parts listed maintain identical pitch, position count, row configuration, and mounting methodology as the primary component.

Parameter Comparison

Parameter	Molex 0702800752	TE 5-146253-4	TE 5-146252-4	Amphenol 77313-122-08LF	Amphenol 77313-124-08LF	Amphenol 77313-127-08LF	3M 929665-01-04-EU	3M 929665-01-04-I	3M 929665-02-04-I	3M 929665-09-04-I
Manufacturer	Molex	TE Connectivity	TE Connectivity	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	3M	3M	3M	3M
Series	C-Grid 70280	AMPMODU Mod II	AMPMODU Mod II	BERGSTIK®	BERGSTIK®	BERGSTIK®	929	929	929	929
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	8	8	8	8	8	8	8	8	8	8
Number of Rows	2	2	2	2	2	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)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Length - Mating	0.320" (8.13mm)	0.318" (8.08mm)	0.318" (8.08mm)	0.305" (7.75mm)	0.266" (6.75mm)	0.260" (6.60mm)	0.235" (5.97mm)	0.235" (5.97mm)	0.235" (5.97mm)	0.235" (5.97mm)
Contact Length - Post	0.185" (4.70mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.120" (3.05mm)	0.114" (2.90mm)	0.105" (2.67mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.210" (5.33mm)	0.145" (3.68mm)
Overall Contact Length	0.595" (15.11mm)	0.533" (14.65mm)	0.533" (14.65mm)	0.526" (13.35mm)	0.480" (12.19mm)	0.465" (11.81mm)	0.445" (11.30mm)	0.445" (11.30mm)	0.545" (13.84mm)	0.480" (12.19mm)
Insulation Height	0.090" (2.29mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Contact Finish - Mating	Gold	Gold	Gold	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold or Gold, GXT™	Gold	Gold	Gold	Gold
Contact Finish Thickness - Mating	15.0µin (0.38µm)	30.0µin (0.76µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	10.0µin (0.25µm)	10.0µin (0.25µm)	10.0µin (0.25µm)	10.0µin (0.25µm)
Contact Finish - Post	Tin	Tin	Tin	Tin	Tin	Tin	Gold	Gold	Gold	Gold
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy
Insulation Material	LCP, Glass Filled	LCP	LCP	Thermoplastic	Thermoplastic	Thermoplastic	PCT	PBT, Polyester, Glass Filled	PBT, Polyester, Glass Filled	PBT, Polyester, Glass Filled
Operating Temperature	Not specified	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Current Rating (Amps)	Not specified	3A	3A	3A per Contact	3A per Contact	3A per Contact	2.5A	2.5A	2.5A	2.5A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable
Product Status	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and comply with RoHS requirements, ensuring regulatory alignment with current manufacturing standards. TE Connectivity AMPMODU Mod II series (5-146253-4 and 5-146252-4) provide direct mechanical and electrical compatibility with identical pitch, position count, and row spacing. The TE 5-146252-4 offers the closest specification match to the Molex 0702800752 with gold-plated mating contacts and tin-plated posts within the same contact finish thickness range.

Amphenol ICC BERGSTIK® series (77313-122-08LF, 77313-124-08LF, 77313-127-08LF) offer extended operating temperature capability to 130°C and phosphor bronze contact material, suitable for applications requiring enhanced thermal performance. These variants differ in contact length specifications, with 77313-122-08LF providing the longest mating contact length at 0.305" (7.75mm).

3M 929 series connectors (929665-01-04-EU, 929665-01-04-I, 929665-02-04-I, 929665-09-04-I) feature all-gold contact finishes on both mating and post surfaces, with variations in post length to accommodate different PCB stack-up requirements. The 929665-02-04-I variant offers the highest inventory availability at 27,210 units and features extended post length at 0.210" (5.33mm).

Selection should prioritize active product status, compliance certifications, and contact length specifications aligned with target PCB thickness and mating connector depth requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the Molex 0702800752 with any of the listed alternatives without PCB redesign?

A: Substitution feasibility depends on contact length specifications and PCB stack-up design. The Molex 0702800752 features a mating contact length of 0.320" (8.13mm) and post length of 0.185" (4.70mm). TE 5-146253-4 and 5-146252-4 provide similar overall contact lengths (0.533" versus 0.595"), while Amphenol and 3M variants feature shorter mating contacts (0.235" to 0.305"). Verify mating connector depth and PCB thickness compatibility before substitution.

Q: What is the difference between the various 3M 929 series variants?

A: All 3M 929 series variants (929665-01-04-EU, 929665-01-04-I, 929665-02-04-I, 929665-09-04-I) share identical mating contact length (0.235") but differ in post length: 0.110" (929665-01-04-EU and 929665-01-04-I), 0.210" (929665-02-04-I), and 0.145" (929665-09-04-I). Selection depends on required PCB penetration depth and solder joint formation requirements.

Q: Are there compliance or certification differences between substitute options?

A: All substitute parts maintain UL94 V-0 flammability rating and RoHS compliance. TE Connectivity and 3M variants are ROHS3 compliant. Amphenol ICC BERGSTIK® series are RoHS compliant. The obsolete TE 4-103322-0-04 is RoHS non-compliant and should not be selected for new designs.

Q: What contact material differences exist, and do they affect performance?

A: The Molex 0702800752 and TE/3M variants use copper alloy contacts, while Amphenol BERGSTIK® series employ phosphor bronze. Phosphor bronze offers superior spring characteristics and wear resistance, particularly beneficial in high-cycle mating applications. Both materials are acceptable for standard through-hole solder termination applications.

Q: How do insulation material variations impact connector selection?

A: The Molex 0702800752 uses LCP (Liquid Crystal Polymer) glass-filled insulation. TE variants use LCP or LCP glass-filled formulations. Amphenol uses thermoplastic, while 3M uses PCT or PBT glass-filled polyester. All materials meet UL94 V-0 flammability requirements. Material selection should align with operating temperature range and chemical exposure environment.

Q: Which substitute offers the best inventory availability?

A: The 3M 929665-02-04-I provides the highest inventory level at 27,210 units in stock, followed by TE 5-146252-4 at 4,953 units. The Molex 0702800752 maintains 946 units in current inventory.

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