3M 3433-6202-UG Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 3433-6202-UG is a vertical rectangular connector header with 50 positions at 2.54mm pitch, designed for through-hole board-to-board or cable connections. This part operates across the -55°C to 105°C temperature range with shrouded 4-wall construction and gold-plated mating contacts. The 3433-6202-UG is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. Active alternatives from 3M and HARTING provide direct functional equivalence while offering improved compliance status and availability.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	50
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
Contact Shape	Square
Contact Finish - Mating	Gold
Contact Finish - Post	Tin-Lead
Operating Temperature Range	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0
Insulation Color	Black
Current Rating	1A
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 3433-6202-UG is determined by strict equivalence across the following critical parameters:

Primary Matching Criteria:

Connector type (Header), contact type (Male Pin), and position count (50 positions, 2 rows)
Pitch specifications (0.100" mating pitch, 0.100" row spacing)
Shrouding configuration (Shrouded - 4 Wall)
Mounting method (Through Hole) and termination (Solder)
Contact geometry (Square shape) and mating contact finish (Gold)
Operating temperature range (-55°C minimum, 105°C minimum)
Flammability rating (UL94 V-0)
Moisture sensitivity level (MSL 1)

Secondary Variation Parameters: Substitute parts may differ in the following areas without affecting functional compatibility:

Contact finish thickness on mating and post surfaces
Post contact material (Copper Alloy vs. Brass)
Insulation material composition (PBT vs. PCT variants)
Fastening type (Latch Lock/Eject Hooks vs. Push-Pull)
Contact length specifications (within mechanical envelope constraints)
Packaging format (Tray, Bulk)
RoHS compliance status
Manufacturer (3M vs. HARTING)

All listed substitute parts maintain the core electrical and mechanical interface required for direct replacement in applications designed for the 3433-6202-UG.

Parameter Comparison

Part Number	Manufacturer	Series	Status	Positions	Pitch (mm)	Rows	Shrouding	Fastening Type	Contact Length - Mating (in)	Contact Length - Post (in)	Overall Length (in)	Insulation Height (in)	Contact Material	Insulation Material	Temp Range (°C)	Current (A)	RoHS Status	Packaging
3433-6202-UG	3M	3000	Obsolete	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Short	0.240	0.112	0.652	0.680	Copper Alloy	PBT, Polyester, Glass Filled	-55 ~ 105	1	Non-compliant	-
D3433-6002-AR	3M	D3000	Active	50	2.54	2	Shrouded - 4 Wall	Push-Pull	0.240	0.112	0.652	0.680	Brass	PCT, Polyester, Glass Filled	-55 ~ 105	1.75	ROHS3 Compliant	Tray
N3433-6002RB	3M	3000	Active	50	2.54	2	Shrouded - 4 Wall	Push-Pull	0.240	0.112	0.652	0.680	Copper Alloy	PCT, Polyester, Glass Filled	-55 ~ 105	1.75	RoHS Compliant	Bulk
09185505902	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Long	0.240	0.177	0.713	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Bulk
09185505904	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Long	0.228	0.114	0.650	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Bulk
09185506902	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Long	0.240	0.177	0.713	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Tray
09185506904	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Long	0.228	0.114	0.650	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Tray
09185506914	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Short	0.228	0.114	0.650	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Bulk
09185507902	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Long	0.240	0.177	0.713	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Tray
09185507904	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Long	0.228	0.114	0.650	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Bulk
09185507914	HARTING	SEK	Active	50	2.54	2	Shrouded - 4 Wall	Latch Lock/Eject Hooks, Short	0.228	0.114	0.650	0.681	Copper Alloy	PBT, Glass Filled	-55 ~ 125	-	ROHS3 Compliant	Bulk

Engineering Selection Recommendations

3M D3433-6002-AR is the primary recommended substitute from the original manufacturer. This part maintains the same mechanical footprint and electrical interface as the 3433-6202-UG while offering ROHS3 compliance and improved current rating (1.75A vs. 1A). The D3433-6002-AR is actively produced and available in tray packaging.

3M N3433-6002RB provides an alternative 3M solution with RoHS compliance and identical mechanical dimensions. This variant is supplied in bulk packaging and supports the same 1.75A current rating. Selection between D3433-6002-AR and N3433-6002RB depends on packaging requirements and supply chain preferences.

HARTING SEK Series (09185505902, 09185505904, 09185506902, 09185506904, 09185506914, 09185507902, 09185507904, 09185507914) provides cross-manufacturer alternatives with extended operating temperature range (-55°C to 125°C). All HARTING variants are ROHS3 compliant and actively produced. Selection within the HARTING lineup depends on specific contact length requirements and fastening type preference. Parts with 0.240" mating contact length (09185505902, 09185506902, 09185507902) match the original 3433-6202-UG specification. Parts with 0.228" mating contact length (09185505904, 09185506904, 09185507904, 09185507914) provide a compact alternative. Fastening type varies between long hooks (09185505902, 09185505904, 09185506902, 09185506904, 09185507902, 09185507904) and short hooks (09185506914, 09185507914).

All substitute parts maintain the core 50-position, 2.54mm pitch, shrouded 4-wall configuration required for functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can I directly replace the 3433-6202-UG with any of the listed substitutes?

A: Yes. All listed parts maintain the same 50-position, 2.54mm pitch, shrouded 4-wall header configuration with through-hole solder termination. The connector interface is electrically and mechanically compatible. Variations in contact length, fastening type, and material composition do not affect basic substitutability for standard board-to-board or cable connection applications.

Q: What is the difference between 3M and HARTING alternatives?

A: Both manufacturers provide functionally equivalent parts. 3M alternatives (D3433-6002-AR, N3433-6002RB) maintain the original -55°C to 105°C operating range. HARTING SEK series parts extend the upper temperature limit to 125°C. HARTING parts use Latch Lock/Eject Hook fastening, while 3M D3433-6002-AR uses Push-Pull fastening. All are ROHS3 compliant.

Q: Does contact length variation affect compatibility?

A: Contact length differences (0.240" vs. 0.228" mating contact length) reflect design variations within the same connector family. These variations do not affect electrical performance or basic mechanical fit for standard PCB applications. Selection should be based on specific board thickness and mating connector requirements.

Q: What packaging options are available?

A: 3M D3433-6002-AR is supplied in Tray packaging. 3M N3433-6002RB is supplied in Bulk packaging. HARTING variants are available in both Tray (09185506902, 09185506904, 09185507902) and Bulk (09185505902, 09185505904, 09185506914, 09185507904, 09185507914) formats. Packaging selection depends on production volume and handling requirements.

Q: Are all substitutes RoHS compliant?

A: The original 3433-6202-UG is RoHS non-compliant. All listed substitutes are RoHS compliant (ROHS3 or RoHS Compliant status). This compliance improvement is a key advantage of transitioning to active alternatives.

Q: What is the current rating difference between the original and substitutes?

A: The 3433-6202-UG is rated for 1A. 3M substitutes (D3433-6002-AR, N3433-6002RB) are rated for 1.75A. HARTING parts do not specify current rating in the provided data. For applications requiring the original 1A specification, any substitute will provide adequate performance with margin.

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