3M 3372-5003 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 3372-5003 is a right-angle rectangular connector header with 60 positions at 2.54mm pitch, designed for through-hole board-to-board or cable applications. This connector features shrouded 4-wall construction with male pin contacts, gold-plated mating surfaces, and tin-lead post finishes. The part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Active alternatives from 3M and other manufacturers provide direct functional equivalence while offering improved product status and compliance certifications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	60
Number of Rows	2
Pitch - Mating	0.100" (2.54mm)
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Contact Finish - Post	Tin-Lead
Operating Temperature	-55°C ~ 105°C
Current Rating	1.75A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the 3372-5003 is determined by strict equivalence across the following critical parameters: 60-position count, 2-row configuration, 0.100" (2.54mm) mating pitch, 0.100" (2.54mm) row spacing, through-hole right-angle mounting, shrouded 4-wall construction, male pin contacts, and solder termination. All substitute parts listed maintain these core electrical and mechanical specifications.

Substitutes are grouped into two categories based on position count and fastening mechanism:

Primary Equivalents (60-Position, Push-Pull Fastening): N3372-5002RB, 09185606923, 71922-060LF, CWN-502-60-0000, and CWN-502-60-0021 provide direct functional replacement with identical position counts and push-pull fastening systems.

Alternative Fastening Systems (60-Position, Latch-Based): CWN-510-60-0021 and CWN-511-60-0021 maintain 60-position configuration but employ latch lock/eject hook fastening mechanisms instead of push-pull systems.

Extended Position Count: 09185645323 provides 64-position configuration with latch holder fastening, suitable only where additional contact positions are required and mechanical interface compatibility is confirmed.

Parameter Comparison

Parameter	3372-5003	N3372-5002RB	09185606923	09185645323	71922-060LF	CWN-502-60-0021	CWN-510-60-0021	CWN-511-60-0021
Manufacturer	3M	3M	HARTING	HARTING	Amphenol ICC (FCI)	CW Industries	CW Industries	CW Industries
Number of Positions	60	60	60	64	60	60	60	60
Number of Rows	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)
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)
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
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
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Latch Holder	Push-Pull	Latch Lock/Eject Hooks, Long	Push-Pull	Latch Lock/Eject Hooks, Short
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Contact Shape	Square	Square	Square	Square	Circular	Circular	Circular	Circular
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold, GXT™	Gold	Gold	Gold
Contact Finish - Post	Tin-Lead	Tin	Tin	Tin	Tin	Nickel	Nickel	Nickel
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	Not specified	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
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
RoHS Status	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: N3372-5002RB (3M)

N3372-5002RB is the manufacturer-recommended direct replacement from 3M. It maintains identical electrical and mechanical specifications to the 3372-5003 while offering active product status and RoHS compliance. The primary difference is post contact finish (tin versus tin-lead), which is functionally equivalent for solder termination applications. This part provides the lowest risk substitution path for existing designs.

Secondary Recommendations: 09185606923 (HARTING) and 71922-060LF (Amphenol ICC)

Both parts provide 60-position, 2.54mm pitch configuration with push-pull fastening and active product status. 09185606923 offers extended operating temperature range (-55°C to 125°C) and ROHS3 compliance. 71922-060LF provides similar specifications with GXT™ gold plating on mating contacts and RoHS compliance. Both are suitable where multi-source qualification is required.

Alternative Fastening Options: CWN-510-60-0021 and CWN-511-60-0021 (CW Industries)

These parts maintain 60-position configuration and 2.54mm pitch but employ latch lock/eject hook fastening instead of push-pull mechanisms. Selection requires confirmation that the mating connector interface supports latch-based engagement. Both offer ROHS3 compliance and extended operating temperature range.

Not Recommended for Direct Substitution: 09185645323 (HARTING)

This 64-position variant exceeds the original 60-position specification. Use only where application requirements explicitly demand additional contact positions and mechanical compatibility with the mating connector is confirmed.

Frequently Asked Questions (FAQ)

Q: Can N3372-5002RB directly replace 3372-5003 in existing designs?

A: Yes. N3372-5002RB is the manufacturer-recommended replacement. The primary specification difference is post contact finish (tin versus tin-lead), which does not affect electrical performance in solder termination applications. Both parts maintain identical 60-position count, 2.54mm pitch, through-hole right-angle mounting, and push-pull fastening.

Q: What is the significance of the contact finish difference between 3372-5003 (tin-lead) and substitute parts (tin or nickel)?

A: Contact finish differences do not affect electrical compatibility. Tin-lead finishes are obsolete due to RoHS regulations. Tin and nickel finishes provide equivalent corrosion resistance and solderability for through-hole applications. All listed substitutes maintain gold plating on mating surfaces, which is the critical parameter for contact reliability.

Q: Are HARTING 09185606923 and Amphenol ICC 71922-060LF interchangeable with 3372-5003?

A: Both parts are functionally equivalent for 60-position, 2.54mm pitch applications. Key differences include insulation material composition and contact material (phosphor bronze versus copper alloy). Both maintain identical pitch, position count, mounting type, and shrouding. Mechanical fit with existing mating connectors should be confirmed before substitution.

Q: Why does 09185645323 have 64 positions instead of 60?

A: 09185645323 is a variant with extended position count. It is not a direct substitute for 60-position applications. Use only where application requirements explicitly require 64 positions and the mating connector supports this configuration.

Q: What is the difference between push-pull and latch-based fastening systems?

A: Push-pull fastening (3372-5003, N3372-5002RB, 09185606923, 71922-060LF) uses axial force for mating and unmating. Latch-based fastening (CWN-510-60-0021, CWN-511-60-0021) uses mechanical hooks for positive engagement. These systems are not interchangeable. Confirm mating connector type before selecting latch-based alternatives.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed are RoHS or ROHS3 compliant. The original 3372-5003 is RoHS non-compliant due to tin-lead post finish. Substitution with RoHS-compliant alternatives is necessary for new designs and regulatory compliance.

Q: What is the operating temperature range difference between 3372-5003 and substitute parts?

A: The original 3372-5003 operates from -55°C to 105°C. Most substitute parts extend this range to -55°C to 125°C, providing improved thermal performance. This difference does not affect compatibility in applications within the original temperature range.

Q: Can CWN series parts (CWN-502-60-0021, CWN-510-60-0021, CWN-511-60-0021) be used interchangeably?

A: CWN-502-60-0021 uses latch lock/eject hooks (long), CWN-510-60-0021 uses push-pull fastening, and CWN-511-60-0021 uses latch lock/eject hooks (short). These are not interchangeable. Selection depends on mating connector fastening type and mechanical interface requirements.

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