Molex 0702800640 Equivalent & Substitute Parts

Part Overview

The Molex 0702800640 is a vertical rectangular connector header with 24 positions at 2.54mm pitch, designed for through-hole board-to-board or cable applications. This C-Grid 70280 series connector features male pins with gold-plated mating contacts and tin-plated posts, suitable for automotive, medical, telecommunications, and general-purpose applications. The part maintains active product status and is RoHS3 compliant with UL94 V-0 flammability rating.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative compliance requirements must be met, or when design specifications allow for mechanical or electrical parameter variations within acceptable tolerances.

Key Parameters

Parameter	Value
Connector Type	Header, Breakaway
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	24
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled
Material Flammability Rating	UL94 V-0
Insulation Color	Black
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0702800640 is determined by strict alignment of the following critical parameters:

Pitch - Mating: 0.100" (2.54mm) — exact match required
Number of Positions: 24 — exact match required
Number of Rows: 2 — exact match required
Row Spacing - Mating: 0.100" (2.54mm) — exact match required
Contact Type: Male Pin — exact match required
Mounting Type: Through Hole — exact match required
Termination: Solder — exact match required
Fastening Type: Push-Pull — exact match required
Contact Shape: Square — exact match required
Material Flammability Rating: UL94 V-0 — exact match required

Acceptable variations within substitution scope include:

Contact Length - Mating and Post (within mechanical envelope constraints)
Insulation Height (within board clearance tolerances)
Contact Finish composition (gold, tin, or tin-lead on mating surface)
Contact Finish Thickness (within electrical performance range)
Insulation Material (LCP, Thermoplastic, or equivalent dielectric)
Operating Temperature range (equal to or exceeding -65°C to 105°C minimum)
Current Rating (equal to or exceeding 3A per contact)
RoHS compliance status (compliant or non-compliant, depending on application requirement)

All substitute parts listed below meet these critical parameters and are electrically and mechanically interchangeable with the Molex 0702800640.

Parameter Comparison

Parameter	Molex 0702800640	TE 4-103186-0-12	TE 4-103783-0-12	TE 6-146256-2	Amphenol 67996-124HLF	Amphenol 67996-424HLF	Amphenol 67997-124HLF	Amphenol 67997-224HLF	Amphenol 67997-424HLF	Amphenol 68602-224HLF	Amphenol 77313-101-24LF
Manufacturer	Molex	TE Connectivity AMP	TE Connectivity AMP	TE Connectivity AMP	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)	Amphenol ICC (FCI)
Series	C-Grid 70280	AMPMODU Mod II	AMPMODU Mod II	AMPMODU Mod II	BERGSTIK® II	BERGSTIK® II	BERGSTIK® II	BERGSTIK® II	BERGSTIK® II	BERGSTIK® II	BERGSTIK®
Product Status	Active	Obsolete	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
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)	0.100" (2.54mm)
Number of Positions	24	24	24	24	24	24	24	24	24	24	24
Number of Rows	2	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)	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	Male Pin
Mounting Type	Through Hole	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	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Length - Mating	0.240" (6.10mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Length - Post	0.175" (4.45mm)	0.120" (3.05mm)	0.090" (2.29mm)	0.120" (3.05mm)	0.095" (2.41mm)	0.095" (2.41mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.150" (3.81mm)	0.095" (2.41mm)
Overall Contact Length	0.505" (12.83mm)	0.440" (11.18mm)	0.410" (10.41mm)	0.440" (11.18mm)	0.425" (10.80mm)	0.425" (10.80mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.450" (11.43mm)	0.480" (12.19mm)	0.425" (10.80mm)
Insulation Height	0.090" (2.29mm)	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	Gold or Gold, GXT™	Tin	Gold or Gold, GXT™	Gold or Gold, GXT™	Tin	Gold or Gold, GXT™	Gold or Gold, GXT™
Contact Finish Thickness - Mating	15.0µin (0.38µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	15.0µin (0.38µm)	30.0µin (0.76µm)	100.0µin (2.54µm)	30.0µin (0.76µm)	15.0µin (0.38µm)	100.0µin (2.54µm)	15.0µin (0.38µm)	30.0µin (0.76µm)
Contact Finish - Post	Tin	Tin-Lead	Tin-Lead	Tin	Not specified	Tin	Not specified	Not specified	Tin	Not specified	Tin
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Insulation Material	Liquid Crystal Polymer (LCP), Glass Filled	Thermoplastic	Thermoplastic	Liquid Crystal Polymer (LCP)	Not specified	Not specified	Not specified	Not specified	Not specified	Not specified	Thermoplastic
Operating Temperature	Not specified	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 125°C	-65°C ~ 125°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C	-65°C ~ 130°C
Current Rating (Amps)	Not specified	3A	3A	3A	3A per Contact	3A per Contact	3A	3A	3A	3A	3A per Contact
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	UL94 V-0
Insulation Color	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black	Black
RoHS Status	RoHS3 Compliant	RoHS non-compliant	RoHS non-compliant	RoHS 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)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging	Bulk	Bulk	Bulk	Bulk	Bag	Bag	Bag	Bag	Bag	Bag	Bulk

Engineering Selection Recommendations

Primary Recommendation: TE 6-146256-2

The TE Connectivity 6-146256-2 is the preferred substitute for the Molex 0702800640. This part maintains active product status, is RoHS compliant, and shares identical critical electrical and mechanical parameters. The LCP insulation material matches the original specification, and the gold-plated mating contacts with tin-plated posts provide equivalent electrical performance. Operating temperature range of -65°C to 105°C meets or exceeds typical application requirements.

Secondary Recommendations: Amphenol BERGSTIK® II Series

The Amphenol ICC (FCI) BERGSTIK® II series parts (67996-124HLF, 67996-424HLF, 67997-124HLF, 67997-224HLF, 67997-424HLF, 68602-224HLF) are active, RoHS-compliant alternatives. These parts feature phosphor bronze contacts with extended operating temperature ranges (-65°C to 125°C or 130°C) and higher current ratings (3A per contact). Contact length variations accommodate different board thicknesses and mechanical envelopes. Selection within this series depends on specific contact finish requirements (gold or tin) and post length specifications.

Alternative: Amphenol 77313-101-24LF

The Amphenol 77313-101-24LF (BERGSTIK® series) provides an active, RoHS-compliant option with extended temperature range (-65°C to 130°C) and thermoplastic insulation. This part is suitable for applications requiring higher thermal performance and is available in bulk packaging.

Not Recommended: TE AMPMODU Mod II Series (4-103186-0-12, 4-103783-0-12)

The TE Connectivity AMPMODU Mod II parts carry obsolete product status and are RoHS non-compliant. These parts should not be selected for new designs or long-term supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the Molex 0702800640 with any of the listed parts without PCB redesign?

A: All listed substitute parts share identical pitch (0.100" / 2.54mm), position count (24), row configuration (2 rows), and mounting type (through-hole). However, variations in contact length and insulation height may require verification of board clearance and mating connector compatibility. The Molex 0702800640 has a longer overall contact length (0.505") compared to most substitutes (0.410" to 0.480"), which may affect mechanical fit in constrained applications.

Q: What is the difference between the Amphenol BERGSTIK® II and BERGSTIK® series?

A: Both series are mechanically and electrically compatible with the Molex 0702800640. The BERGSTIK® II series (67996, 67997, 68602 base numbers) offers active product status and extended operating temperature ranges. The original BERGSTIK® series (77313 base number) also maintains active status with comparable performance. Selection between series depends on availability, packaging preference (bag vs. bulk), and specific contact finish requirements.

Q: Are there RoHS compliance differences between substitutes?

A: Yes. The Molex 0702800640 is RoHS3 compliant. Most Amphenol substitutes are RoHS compliant. The TE Connectivity AMPMODU Mod II parts (4-103186-0-12, 4-103783-0-12) are RoHS non-compliant and should not be used in applications requiring RoHS certification. The TE 6-146256-2 is RoHS compliant and suitable for regulated applications.

Q: What contact finish options are available?

A: The Molex 0702800640 features gold-plated mating contacts (15.0µin thickness) with tin-plated posts. Substitutes offer three mating contact finish options: gold (15.0µin or 30.0µin thickness), tin (100.0µin thickness), or gold with GXT™ enhancement. Gold finishes provide superior corrosion resistance and lower contact resistance. Tin finishes offer cost reduction and are suitable for non-corrosive environments. Selection depends on application environment and electrical performance requirements.

Q: How do contact length variations affect compatibility?

A: Contact length variations (post length: 0.090" to 0.150") determine insertion depth into mating connectors and affect overall stack height. The Molex 0702800640 has a longer post length (0.175") than most substitutes. Shorter post lengths may not fully engage shallow mating connectors, while longer post lengths may cause over-insertion. Verify mating connector specifications before substitution.

Q: Can I use parts with different insulation materials?

A: Yes. The Molex 0702800640 uses LCP (Liquid Crystal Polymer) insulation. Substitutes use LCP or thermoplastic insulation. Both materials meet UL94 V-0 flammability requirements and provide equivalent electrical insulation. Thermoplastic insulation offers slightly lower cost and is suitable for general-purpose applications. LCP insulation provides superior dimensional stability and is preferred for high-precision applications.

Q: What is the significance of operating temperature range differences?

A: The Molex 0702800640 does not specify an operating temperature range. Substitutes range from -65°C to 105°C (TE parts) to -65°C to 130°C (Amphenol parts). Higher temperature ratings provide design margin for applications with elevated ambient or self-heating conditions. For applications operating within -65°C to 105°C, all substitutes are suitable. For applications exceeding 105°C, select Amphenol parts with -65°C to 125°C or 130°C ratings.

Q: Are packaging differences (bulk vs. bag) significant?

A: Packaging affects handling and storage but does not impact electrical or mechanical performance. Bulk packaging (Molex 0702800640, TE parts, Amphenol 77313-101-24LF) is suitable for high-volume manufacturing. Bag packaging (Amphenol BERGSTIK® II series) is typical for moderate-volume applications. Select based on procurement and inventory management requirements.

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