3M 3408-6202-UG Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 3408-6202-UG is a shrouded rectangular connector header with 16 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This through-hole component features male pins with gold-plated mating contacts and tin-lead plated posts, designed for board-to-board or cable connections. The part operates across -55°C to 105°C and carries a current rating of 1A per contact.

The 3408-6202-UG is classified as obsolete. Equivalent and substitute parts are necessary to maintain design compatibility in production environments where original inventory is depleted or when transitioning to active product lines with enhanced specifications or improved compliance status.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	16
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
Operating Temperature Range	-55°C ~ 105°C
Current Rating	1A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 3408-6202-UG is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Connector type: Header
Contact type: Male Pin
Number of positions: 16
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
Material flammability rating: UL94 V-0
Moisture sensitivity level: 1 (Unlimited)

Allowable Variation Parameters:

Operating temperature range: May extend beyond -55°C ~ 105°C
Current rating: May exceed 1A
Fastening type: Latch Lock/Eject Hooks (Short or Long) or Push-Pull
Contact finish specifications: Gold or tin plating on mating surfaces; tin or tin-lead on posts
Contact material: Copper Alloy or Brass
Insulation material: PBT or PCT, polyester, glass-filled
Packaging: Tray or Bulk
RoHS compliance: May be compliant (ROHS3) or non-compliant
Product status: Active or Obsolete

Substitute parts must maintain electrical and mechanical compatibility with mating connectors designed for the 3408-6202-UG footprint and pin configuration.

Parameter Comparison

Parameter	3408-6202-UG (Main)	D3408-6002-AR	N3408-6002RB	09185165902	09185166902	09185166904	09185166914	09185166914001	09185167904	09185167914	09195166914
Manufacturer	3M	3M	3M	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING	HARTING
Connector Type	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	16	16	16	16	16	16	16	16	16	16	16
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	Solder	Solder	Solder
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Current Rating (Amps)	1A	1.75A	1.75A	—	—	—	—	—	—	—	—
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
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
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)

Engineering Selection Recommendations

Primary Recommendation: 3M D3408-6002-AR

The D3408-6002-AR is the manufacturer-recommended substitute from 3M. It maintains the same 16-position, 2-row 0.100" pitch configuration and operating temperature range as the 3408-6202-UG. The D3408-6002-AR offers improved current rating (1.75A versus 1A), ROHS3 compliance, and active product status. Packaging is supplied in trays. This part is the preferred choice for direct replacement in new production runs.

Secondary Recommendation: 3M N3408-6002RB

The N3408-6002RB provides an alternative from 3M's active product line with RoHS compliance and 1.75A current rating. It is supplied in bulk packaging and maintains identical electrical and mechanical specifications to the D3408-6002-AR. Selection between D3408-6002-AR and N3408-6002RB depends on packaging requirements and inventory management practices.

Cross-Manufacturer Alternatives: HARTING SEK Series

HARTING offers multiple equivalent headers in the SEK series, all with ROHS3 compliance and active product status. These parts maintain the mandatory 16-position, 2-row, 0.100" pitch configuration and UL94 V-0 flammability rating. HARTING parts extend the operating temperature range to -55°C ~ 125°C, providing enhanced thermal performance. Specific HARTING models differ in contact length, fastening mechanism (Latch Lock/Eject Hooks Short or Long), and packaging format (tray or bulk). Selection among HARTING alternatives depends on mechanical interface requirements and packaging preferences.

Compliance Transition:

All substitute parts listed are ROHS3 compliant or RoHS compliant, addressing the non-compliant status of the obsolete 3408-6202-UG. This transition is necessary for continued market access in regions with RoHS regulations.

Frequently Asked Questions (FAQ)

Q: Can the 3408-6202-UG be directly replaced with any of the listed substitutes?

A: Yes, all listed substitute parts maintain the critical electrical and mechanical parameters: 16 positions, 2 rows, 0.100" (2.54mm) pitch, shrouded 4-wall configuration, through-hole mounting, and solder termination. They are mechanically and electrically compatible with mating connectors designed for the 3408-6202-UG.

Q: What is the difference between the 3M substitutes (D3408-6002-AR and N3408-6002RB)?

A: Both parts are functionally equivalent with identical electrical specifications and RoHS compliance. The primary difference is packaging: D3408-6002-AR is supplied in trays, while N3408-6002RB is supplied in bulk. Current rating is 1.75A for both, compared to 1A for the original part.

Q: Why do HARTING parts have a higher operating temperature range (-55°C ~ 125°C)?

A: The extended temperature range is a specification of the HARTING SEK series design. This does not affect compatibility with the 3408-6202-UG in applications operating within the original -55°C ~ 105°C range. The higher rating provides additional thermal margin for demanding environments.

Q: Are there differences in contact length among the HARTING substitutes?

A: Yes. HARTING parts 09185165902, 09185166902, and 09185167904 feature longer post lengths (0.177" / 4.50mm) compared to 09185166904, 09185166914, 09185166914001, 09185167914, and 09195166914 (0.114" / 2.90mm). Contact length differences may affect board-level clearance and mechanical fit. Verify PCB design compatibility before selection.

Q: What is the significance of the fastening type variation (Latch Lock/Eject Hooks versus Push-Pull)?

A: Fastening type determines the mechanical engagement method between header and mating connector. Latch Lock/Eject Hooks provide positive retention with manual release, while Push-Pull mechanisms offer tool-free connection and disconnection. Selection depends on the mating connector type and application requirements. Verify compatibility with the corresponding socket or receptacle connector.

Q: Does the change from tin-lead to tin plating on posts affect performance?

A: Tin plating on posts (used in substitute parts) provides equivalent electrical performance and solderability compared to tin-lead plating on the original part. Tin plating is the current industry standard and supports RoHS compliance requirements.

Q: What packaging options are available?

A: Substitute parts are supplied in either tray or bulk packaging. Tray packaging (D3408-6002-AR, 09185166904, 09185167904) provides organized component presentation suitable for automated assembly. Bulk packaging (N3408-6002RB, 09185165902, 09185166902, 09185166914, 09185166914001, 09185167914, 09195166914) is cost-effective for high-volume applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance or RoHS compliance certification. The original 3408-6202-UG is RoHS non-compliant. Transition to compliant substitutes is required for regulatory compliance in applicable markets.

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