Molex 0702463421 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Molex 0702463421 is a shrouded vertical rectangular connector header with 34 positions at 2.54mm pitch, designed for through-hole board-to-cable/wire applications. This component features male pins with gold-plated mating contacts and tin-lead plated posts, housed in a 4-wall shrouded PBT insulation body with keying slot functionality.

The 0702463421 is classified as obsolete. Equivalent and substitute parts are available from active product lines that maintain electrical and mechanical compatibility while offering improved availability and compliance status.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	34
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Shrouding	Shrouded - 4 Wall
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Contact Finish - Post	Tin-Lead
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the Molex 0702463421 is determined by strict equivalence across the following critical parameters:

Connector Type & Contact Configuration: Header with male pins
Position Count & Arrangement: 34 positions in 2 rows
Pitch Specifications: 0.100" (2.54mm) mating pitch and row spacing
Shrouding & Mechanical Form: 4-wall shrouded design with keying slot
Mounting & Termination: Through-hole solder termination with push-pull fastening
Contact Material & Finish: Gold-plated mating surface with tin or tin-lead plated posts
Insulation Material & Flammability: PBT or equivalent thermoplastic with UL94 V-0 rating
Environmental Classification: MSL 1 (Unlimited moisture sensitivity)

Substitute parts are grouped into two categories:

Direct Molex Equivalents: Parts from the same C-Grid 70246 series that differ only in packaging or minor contact finish specifications.

Cross-Manufacturer Alternatives: Parts from TE Connectivity AMP-Latch, 3M 303, and Amphenol ICC Quickie™ series that maintain full electrical and mechanical compatibility while offering active product status and improved compliance certifications.

Parameter Comparison

Parameter	0702463421 (Main)	0702463401	103308-7	103309-7	111825-7	30334-6002HB	5103308-7	5103309-7	5104338-7	52601-G34-4LF	52601-S34-4
Manufacturer	Molex	Molex	TE Connectivity	TE Connectivity	TE Connectivity	3M	TE Connectivity	TE Connectivity	TE Connectivity	Amphenol ICC	Amphenol ICC
Series	C-Grid 70246	C-Grid 70246	AMP-Latch	AMP-Latch	AMP-Latch	303	AMP-Latch	AMP-Latch	AMP-Latch	Quickie™	Quickie™
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Number of Positions	34	34	34	34	34	34	34	34	34	34	34
Number of Rows	2	2	2	2	2	2	2	2	2	2	2
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)
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)
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
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	Kinked Pin, 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 Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.236" (6.00mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.230" (5.84mm)	0.230" (5.84mm)
Contact Length - Post	0.135" (3.43mm)	0.135" (3.43mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.110" (2.79mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)	0.120" (3.05mm)
Insulation Height	0.365" (9.27mm)	0.365" (9.27mm)	0.388" (9.86mm)	0.388" (9.86mm)	0.388" (9.86mm)	0.366" (9.30mm)	0.388" (9.86mm)	0.388" (9.86mm)	0.385" (9.78mm)	0.365" (9.27mm)	0.365" (9.27mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold, GXT™	Gold or Gold, GXT™
Contact Finish - Post	Tin-Lead	Tin	Tin-Lead	Tin-Lead	Tin-Lead	Gold	Tin	Tin	Tin	Tin	Not Specified
Contact Material	Phosphor Bronze	Phosphor Bronze	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Phosphor Bronze	Phosphor Bronze
Insulation Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT), Glass Filled	Not Specified	Not Specified	Not Specified	Polybutylene Terephthalate (PBT), Polyester, Glass Filled	Not Specified	Not Specified	Polyphthalamide (PPA), Glass Filled	Thermoplastic	Thermoplastic
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
Operating Temperature	Not Specified	Not Specified	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-55°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	Not Specified	Not Specified
Current Rating (Amps)	Not Specified	Not Specified	1A per Contact	1A per Contact	1A per Contact	1A	1A per Contact	1A per Contact	1A per Contact	Not Specified	Not Specified
Voltage Rating	Not Specified	Not Specified	Not Specified	Not Specified	250VAC	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified	Not Specified
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Affected	REACH Affected	REACH Affected	REACH Unaffected	REACH Unaffected	REACH Unaffected	Vendor Undefined	REACH Affected	REACH Affected

Engineering Selection Recommendations

Primary Recommendation: Molex 0702463401

The 0702463401 is the direct successor to the obsolete 0702463421 within the same C-Grid 70246 series. It maintains identical electrical and mechanical specifications with the exception of glass-filled PBT insulation material and tin-plated (rather than tin-lead plated) posts. The 0702463401 carries active product status and ROHS3 compliance, making it the preferred choice for new designs and obsolescence replacement. Packaging is available in bulk format.

Secondary Recommendation: TE Connectivity 5103308-7 or 5103309-7

These AMP-Latch series headers provide cross-manufacturer compatibility with active product status and ROHS3 compliance. The 5103308-7 is packaged in trays with 3916 units in stock, while the 5103309-7 is supplied in tubes with 1683 units available. Both maintain the 34-position, 2-row, 2.54mm pitch configuration with push-pull fastening. Minor dimensional variations exist in contact post length (0.120" versus 0.135") and insulation height (0.388" versus 0.365"), which remain within acceptable mechanical tolerance for standard board-to-cable applications.

Tertiary Recommendation: 3M 30334-6002HB

The 3M 303 series header offers ROHS3 compliance and REACH unaffected status. It maintains full positional and pitch compatibility with slightly reduced mating contact length (0.236" versus 0.240") and post length (0.110" versus 0.135"). This part is suitable for applications where compliance certifications are prioritized and minor dimensional variations are acceptable.

Alternative: TE Connectivity 5104338-7

This AMP-Latch variant features kinked pin termination in addition to solder termination, offering enhanced mechanical retention. It uses polyphthalamide (PPA) glass-filled insulation and carries RoHS compliance. With 15,712 units in stock, it provides the highest availability among all substitutes. The kinked pin design may require board layout verification for compatibility with existing through-hole patterns.

Cross-Manufacturer Alternatives: Amphenol ICC Quickie™ Series (52601-G34-4LF, 52601-S34-4)

These headers maintain 34-position, 2-row, 2.54mm pitch configuration with phosphor bronze contacts and thermoplastic insulation. The 52601-G34-4LF carries RoHS compliance with 3000 units in stock, while the 52601-S34-4 is RoHS non-compliant with 869 units available. Both feature slightly reduced mating contact length (0.230" versus 0.240"). These parts are suitable for applications where Amphenol ICC component standardization is required.

Frequently Asked Questions (FAQ)

Q: Can I directly replace Molex 0702463421 with Molex 0702463401?

A: Yes. The 0702463401 is the active product equivalent within the same C-Grid 70246 series. It maintains identical pitch, position count, shrouding, and fastening specifications. The primary differences are glass-filled PBT insulation and tin-plated posts instead of tin-lead. These changes are compatible with standard solder assembly processes and do not affect electrical performance in typical board-to-cable applications.

Q: What are the key dimensional differences between the main part and cross-manufacturer substitutes?

A: Contact post length varies between 0.110" and 0.135" depending on manufacturer. Insulation height ranges from 0.365" to 0.388". Mating contact length ranges from 0.230" to 0.240". These variations remain within standard mechanical tolerance for 2.54mm pitch connectors and do not affect mating compatibility with standard 0.100" pitch receptacles. Board layout and PCB hole sizing should accommodate the specified post length for each part.

Q: Are there RoHS compliance differences between substitutes?

A: Yes. The Molex 0702463421 is RoHS non-compliant. Active substitutes include ROHS3-compliant options (0702463401, 5103308-7, 5103309-7, 30334-6002HB, 5104338-7, 52601-G34-4LF) and RoHS-compliant options (5104338-7, 52601-G34-4LF). For applications requiring RoHS compliance, select from the ROHS3 or RoHS compliant alternatives listed above.

Q: What is the difference between tin-lead and tin post finishes?

A: The main part features tin-lead plated posts, while most active substitutes use tin-plated posts. Both finishes are compatible with standard lead-free and lead-containing solder processes. Tin-plated posts are preferred in modern manufacturing due to RoHS compliance requirements. No functional difference exists in typical through-hole solder assembly applications.

Q: Can I use TE Connectivity AMP-Latch headers as a direct replacement?

A: Yes, with minor mechanical considerations. TE Connectivity 103308-7, 103309-7, 111825-7, 5103308-7, 5103309-7, and 5104338-7 all maintain 34-position, 2-row, 2.54mm pitch configuration with identical shrouding and fastening. Contact post length is 0.120" instead of 0.135", and insulation height is 0.388" instead of 0.365". These dimensions are within acceptable tolerance for standard board-to-cable connectors. Verify PCB hole sizing and mating receptacle compatibility before assembly.

Q: What is the difference between packaging formats (Bulk, Tray, Tube)?

A: Bulk packaging offers loose components suitable for high-volume automated assembly. Tray packaging provides organized component presentation for pick-and-place equipment. Tube packaging supplies components in protective cylindrical containers for manual handling and lower-volume applications. All packaging formats contain identical electrical and mechanical components; selection depends on assembly process requirements and inventory management preferences.

Q: Does the kinked pin termination on 5104338-7 affect compatibility?

A: The 5104338-7 features kinked pin termination in addition to solder termination, providing enhanced mechanical retention in the PCB. This design requires verification that board through-hole patterns and plating accommodate the kinked pin geometry. Standard 0.100" pitch hole spacing is compatible, but hole diameter and plating thickness should be confirmed with the connector datasheet before design implementation.

Q: Are all substitutes rated for the same operating temperature range?

A: No. The main part does not specify an operating temperature range. TE Connectivity AMP-Latch series parts are rated -65°C to 105°C. The 3M 30334-6002HB is rated -55°C to 105°C. Amphenol ICC Quickie™ series parts do not specify operating temperature. For applications requiring extended temperature performance, select TE Connectivity AMP-Latch alternatives.

Q: Which substitute offers the highest inventory availability?

A: The TE Connectivity 5104338-7 offers the highest inventory with 15,712 units in stock. This part features kinked pin termination, polyphthalamide insulation, and RoHS compliance. For standard solder-only termination with highest availability, the Molex 0702463401 provides 3965 units in stock.

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