3M 3372-5002 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The 3M 3372-5002 is a through-hole, right-angle rectangular connector header with 60 positions at 0.100" (2.54mm) pitch. This component is classified as obsolete, making identification of functionally equivalent substitute parts essential for ongoing design support and production continuity. The connector features shrouded 4-wall construction with male pin contacts, gold-plated mating surfaces, and tin-lead post finishes. Equivalent parts must maintain the same electrical and mechanical interface specifications to ensure direct board-level compatibility.

Key Parameters

Parameter	Specification
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 Length - Mating	0.240" (6.10mm)
Contact Length - Post	0.112" (2.84mm)
Insulation Height	0.340" (8.64mm)
Contact Shape	Square
Contact Finish - Mating	Gold
Contact Material	Copper Alloy
Operating Temperature	-55°C ~ 105°C
Current Rating	1.75A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following critical parameters:

Primary Compatibility Criteria:

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
Termination: Solder
Contact finish - mating: Gold
Material flammability rating: UL94 V-0

Secondary Compatibility Parameters (Minor Variations Permitted):

Contact shape (Square vs. Circular)
Contact material (Copper Alloy vs. Phosphor Bronze)
Fastening type (Push-Pull vs. Latch Lock/Eject Hooks)
Contact length - post (within manufacturing tolerance)
Insulation height (within manufacturing tolerance)
Contact finish - post (Tin-Lead vs. Tin vs. Nickel)
Operating temperature range (equal or extended)
Current rating (equal or higher)

Substitute parts are grouped based on their alignment with these criteria. Parts maintaining all primary criteria with minimal secondary variations are direct functional equivalents suitable for board-level replacement.

Parameter Comparison

Parameter	3372-5002	N3372-5002RB	71922-060LF	CWN-500-60-0021	CWN-502-60-0021	CWN-511-60-0021
Manufacturer	3M	3M	Amphenol ICC (FCI)	CW Industries	CW Industries	CW Industries
Product Status	Obsolete	Active	Active	Active	Active	Active
Connector Type	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	60	60	60	60	60	60
Number of Rows	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)
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)
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
Shrouding	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	Push-Pull	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Short
Contact Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)	0.228" (5.80mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.112" (2.84mm)	0.112" (2.84mm)	0.114" (2.90mm)	0.090" (2.29mm)	0.090" (2.29mm)	0.155" (3.94mm)
Insulation Height	0.340" (8.64mm)	0.340" (8.64mm)	0.339" (8.61mm)	0.350" (8.89mm)	0.350" (8.89mm)	0.350" (8.89mm)
Contact Shape	Square	Square	Square	Circular	Circular	Circular
Contact Finish - Mating	Gold	Gold	Gold, GXT™	Gold	Gold	Gold
Contact Finish Thickness - Mating	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact Finish - Post	Tin-Lead	Tin	Tin	Nickel	Nickel	Nickel
Contact Material	Copper Alloy	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze	Phosphor Bronze
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	Not specified	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating (Amps)	1.75A	1.75A	Not specified	1A	1A	1A
Material Flammability Rating	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	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

N3372-5002RB (3M)

This part is the direct equivalent from the original manufacturer. It maintains identical electrical and mechanical specifications to the 3372-5002, including square contact geometry, copper alloy material, and equivalent operating temperature range. The primary distinction is active product status and RoHS compliance. The contact finish post differs only in composition (Tin vs. Tin-Lead), which does not affect functional compatibility. This part is the preferred choice for direct replacement when maintaining original manufacturer sourcing.

71922-060LF (Amphenol ICC / FCI)

This Quickie™ series connector maintains all primary compatibility criteria with minor dimensional variations within acceptable tolerance. Contact length mating is 0.228" (5.80mm) versus 0.240" (6.10mm), and insulation height is 0.339" (8.61mm) versus 0.340" (8.64mm). Contact material is phosphor bronze rather than copper alloy. Operating temperature and current rating are not specified in available documentation. This part is suitable for applications where the original manufacturer part is unavailable and minor dimensional variations are acceptable.

CWN-500-60-0021 (CW Industries)

This part meets all primary compatibility criteria with the following considerations: contact shape is circular rather than square, contact material is phosphor bronze, and contact finish post is nickel. Contact length post is 0.090" (2.29mm) versus 0.112" (2.84mm), representing a significant reduction. Operating temperature range extends to 125°C, exceeding the original specification. Current rating is 1A versus 1.75A. Fastening type remains Push-Pull. This part is functionally equivalent for applications tolerating circular contacts and reduced post length.

CWN-502-60-0021 (CW Industries)

This part maintains all primary compatibility criteria with fastening type variation. Fastening mechanism is Latch Lock/Eject Hooks (Long) rather than Push-Pull. Contact geometry is circular, contact material is phosphor bronze, and contact finish post is nickel. Contact length post is 0.090" (2.29mm). Operating temperature extends to 125°C and current rating is 1A. This part is suitable for applications where latch-lock engagement is preferred over push-pull mating.

CWN-511-60-0021 (CW Industries)

This part maintains all primary compatibility criteria with fastening type and contact post length variations. Fastening mechanism is Latch Lock/Eject Hooks (Short). Contact geometry is circular, contact material is phosphor bronze, and contact finish post is nickel. Contact length post is 0.155" (3.94mm), representing an increase from the original 0.112" (2.84mm). Operating temperature extends to 125°C and current rating is 1A. This part is suitable for applications requiring short-hook latch engagement and extended post length.

Frequently Asked Questions (FAQ)

Q: Can N3372-5002RB be used as a direct replacement for 3372-5002?

A: Yes. N3372-5002RB is the active equivalent from 3M with identical electrical and mechanical specifications. The only functional difference is RoHS compliance status. This is the recommended substitute for direct board-level replacement.

Q: What is the significance of contact shape differences (Square vs. Circular)?

A: Contact shape affects mating force and contact resistance characteristics. Square contacts provide different engagement geometry than circular contacts. Parts with circular contacts (CWN series) are functionally equivalent but may exhibit different mating feel and force profiles. Verify mating connector compatibility before substitution.

Q: Are the CWN series parts (CWN-500, CWN-502, CWN-511) interchangeable?

A: These parts share the same 60-position, 2.54mm pitch configuration but differ in fastening mechanism and contact post length. CWN-500 uses Push-Pull fastening with 0.090" post length. CWN-502 uses long latch hooks with 0.090" post length. CWN-511 uses short latch hooks with 0.155" post length. Selection depends on mating connector type and PCB design requirements.

Q: What does the contact finish post variation (Tin-Lead vs. Tin vs. Nickel) mean for compatibility?

A: Contact finish post affects solderability and corrosion resistance during PCB assembly and storage. Tin-Lead (original) and Tin finishes are compatible with standard solder processes. Nickel finishes provide enhanced corrosion resistance. All three finishes are suitable for through-hole soldering. Verify solder process compatibility with your assembly partner.

Q: Why do some substitute parts have lower current ratings (1A vs. 1.75A)?

A: Current rating depends on contact material, contact geometry, and thermal design. CWN series parts with circular contacts and phosphor bronze material are rated at 1A. For applications requiring the full 1.75A rating, use N3372-5002RB or 71922-060LF. Verify actual current requirements in your application before substitution.

Q: Does RoHS compliance affect electrical performance?

A: RoHS compliance relates to material composition (lead-free vs. lead-containing) and does not directly affect electrical performance. However, lead-free solder processes and materials may require different assembly parameters. Coordinate with your manufacturing partner regarding process compatibility.

Q: What is the difference between Push-Pull and Latch Lock fastening types?

A: Push-Pull fastening requires manual insertion and withdrawal force. Latch Lock fastening uses mechanical hooks for positive engagement and requires deliberate release action. Selection depends on mating connector design and application requirements. Verify mating connector compatibility before substitution.

Q: Can 71922-060LF be used if operating temperature specification is not provided?

A: The 71922-060LF datasheet does not specify operating temperature range. For applications requiring confirmed temperature performance, use parts with explicit specifications (N3372-5002RB, CWN series). Contact the manufacturer for detailed thermal specifications if this part is required.

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