3M N3372-6502 Equivalent & Substitute Parts

Part Overview

The 3M N3372-6502 is a rectangular connector header designed for through-hole mounting with 60 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This connector features shrouded 4-wall construction with male pins, gold-plated mating contacts, and tin-lead plated posts. The part is classified as obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

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
Shrouding	Shrouded - 4 Wall
Termination	Solder
Contact Finish - Mating	Gold
Contact Finish - Post	Tin-Lead
Operating Temperature Range	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution eligibility for the N3372-6502 is determined by the following critical parameters:

Connector Type & Contact Configuration: Header with male pins
Position Count & Row Configuration: 60 positions in 2 rows
Pitch Specification: 0.100" (2.54mm) mating pitch and row spacing
Mounting & Termination: Through-hole solder termination
Shrouding: Shrouded 4-wall construction
Contact Finish: Gold mating surface with tin or tin-lead post finish
Mechanical Compatibility: Overall contact length and insulation height within acceptable tolerance ranges

The substitute parts listed maintain these core electrical and mechanical parameters. Variations in contact length, fastening type (short vs. long hooks), and mounting orientation (vertical vs. right-angle) represent design alternatives within the same functional category.

Parameter Comparison

Parameter	N3372-6502 (3M)	09185606912 (HARTING)	09185606914 (HARTING)	09185607902 (HARTING)	09185607923 (HARTING)	71918-260LF (Amphenol ICC)
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	Through Hole	Through Hole	Through Hole	Through Hole, Right Angle	Through Hole
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Long	Push-Pull	Latch Lock/Eject Hooks, Short
Contact Length - Mating	0.240" (6.10mm)	0.228" (5.80mm)	0.228" (5.80mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.228" (5.80mm)
Contact Length - Post	0.112" (2.84mm)	0.177" (4.50mm)	0.114" (2.90mm)	0.177" (4.50mm)	0.114" (2.90mm)	0.114" (2.90mm)
Overall Contact Length	0.652" (16.56mm)	0.713" (18.10mm)	0.650" (16.51mm)	0.713" (18.10mm)	Not specified	Not specified
Insulation Height	0.680" (17.27mm)	0.681" (17.30mm)	0.681" (17.30mm)	0.681" (17.30mm)	0.335" (8.51mm)	0.685" (17.40mm)
Contact Shape	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold, GXT™
Contact Finish - Post	Tin-Lead	Tin	Tin	Tin	Tin	Tin
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Phosphor Bronze
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	Not specified
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	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes for Vertical Mounting (Direct Replacement)

The HARTING 09185606914 and Amphenol ICC 71918-260LF are the closest functional equivalents to the N3372-6502 for vertical through-hole applications. Both maintain the 60-position, 2-row configuration with 0.100" pitch, shrouded 4-wall construction, and solder termination. The 09185606914 offers the most similar overall contact length (0.650" vs. 0.652") and post length (0.114" vs. 0.112"), making it the preferred direct replacement. The 71918-260LF provides equivalent electrical performance with phosphor bronze contacts and active product status.

Alternative Vertical Mounting Option

The HARTING 09185606912 provides a vertical mounting alternative with extended post length (0.177"), suitable for applications requiring deeper PCB penetration. This part maintains all core electrical and mechanical compatibility parameters.

Extended Temperature Range Consideration

All HARTING substitutes (09185606912, 09185606914, 09185607902) support an extended operating temperature range of -55°C to 125°C compared to the original -55°C to 105°C specification, providing additional thermal margin for demanding applications.

Right-Angle Mounting Alternative

The HARTING 09185607923 provides a right-angle mounting variant with identical electrical specifications but reduced insulation height (0.335" vs. 0.680"), suitable for space-constrained PCB layouts requiring horizontal connector orientation.

Compliance Status

The N3372-6502 is RoHS non-compliant. All substitute parts listed are RoHS3 compliant, supporting modern procurement and environmental compliance requirements. The HARTING parts additionally carry REACH Unaffected status.

Frequently Asked Questions (FAQ)

Q: Can the HARTING 09185606914 directly replace the 3M N3372-6502 without PCB redesign?

A: Yes. The 09185606914 maintains identical pitch (0.100"), position count (60 in 2 rows), shrouding (4-wall), and termination (solder). The overall contact length difference (0.650" vs. 0.652") and post length (0.114" vs. 0.112") are within standard manufacturing tolerances and do not require PCB modification.

Q: What is the difference between the HARTING 09185606912 and 09185606914?

A: Both are vertical headers with identical electrical specifications. The primary difference is contact post length: 09185606912 has 0.177" posts versus 0.114" for the 09185606914. Select 09185606912 for applications requiring deeper solder joint penetration or thicker PCBs.

Q: Is the HARTING 09185607923 (right-angle) compatible with the original vertical mounting design?

A: No. The 09185607923 is a right-angle connector with significantly reduced insulation height (0.335" vs. 0.680"). It requires PCB layout modification to accommodate horizontal mounting orientation. Use this part only for new designs or when space constraints necessitate right-angle configuration.

Q: Why do the HARTING parts support -55°C to 125°C while the original supports only -55°C to 105°C?

A: The HARTING substitutes use polybutylene terephthalate (PBT) insulation material with enhanced thermal properties compared to the original polycyclohexylenedimethylene terephthalate (PCT) material. This provides extended temperature capability without affecting electrical or mechanical compatibility.

Q: Are there RoHS compliance implications when substituting the N3372-6502?

A: Yes. The original N3372-6502 is RoHS non-compliant due to tin-lead plating. All substitute parts listed are RoHS3 compliant with tin plating on posts. For new designs or procurement requiring RoHS compliance, select any of the listed substitutes. Existing designs using the N3372-6502 may continue operation without modification.

Q: What is the difference between the Amphenol ICC 71918-260LF and HARTING alternatives?

A: The 71918-260LF uses phosphor bronze contacts versus copper alloy in HARTING parts, and features GXT™ gold plating on mating contacts. Electrical and mechanical compatibility is equivalent. The 71918-260LF is packaged in tubes rather than bulk, which may affect procurement logistics.

Q: Can I use the HARTING 09185607902 (long fastening hooks) as a direct replacement?

A: Yes, electrically and mechanically. The 09185607902 differs only in fastening type (long hooks vs. short) and contact post length (0.177" vs. 0.112"). Use this part when stronger mating force or deeper post engagement is required. Standard applications should use the 09185606914 for closest dimensional match.

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