3M 3429-5302-UG Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 3429-5302-UG is a through-hole, right-angle rectangular connector header with 26 positions at 0.100" (2.54mm) pitch. This connector is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The part features shrouded 4-wall construction with male pins, gold-plated mating contacts, and tin-lead post finishes. Substitution is driven by product lifecycle status and the availability of functionally equivalent alternatives from 3M and cross-manufacturer sources.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	26
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
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 Finish - Post	Tin-Lead
Contact Material	Copper Alloy
Operating Temperature	-55°C ~ 105°C
Current Rating	1A
Material Flammability Rating	UL94 V-0
Fastening Type	Latch Lock/Eject Hooks, Long

Substitute Part Grouping Explanation

Substitution for the 3429-5302-UG is based on strict alignment of core electrical and mechanical parameters. The following criteria determine valid substitutes:

Primary Matching Parameters:

26 positions, 2 rows at 0.100" (2.54mm) pitch
Through-hole, right-angle mounting
Shrouded 4-wall construction
Male pin contact type
Square contact shape
Gold mating contact finish
Operating temperature range -55°C to 105°C
UL94 V-0 flammability rating
Solder termination

Acceptable Variations:

Contact finish thickness on mating surface (15.0µin to 30.0µin)
Contact post finish (Tin-Lead, Tin, or equivalent)
Contact material (Copper Alloy or Brass)
Current rating (1A to 1.75A per contact)
Fastening type (Latch Lock/Eject Hooks or Push-Pull)
Contact post length (0.110" to 0.155")
Insulation height (0.315" to 0.340")
Product status and RoHS compliance

Substitutes are grouped by manufacturer (3M and TE Connectivity) and packaging format (Bulk or Tray).

Parameter Comparison

Parameter	3429-5302-UG	3429-5002	D3429-5002-AR	N3429-5002RB	2-5499141-6	499141-6	5102322-6
Manufacturer	3M	3M	3M	3M	TE Connectivity	TE Connectivity	TE Connectivity
Number of Positions	26	26	26	26	26	26	26
Number of Rows	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)
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)
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
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Contact Length - Mating	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)	0.240" (6.10mm)
Contact Length - Post	0.112" (2.84mm)	0.112" (2.84mm)	0.112" (2.84mm)	0.112" (2.84mm)	0.110" (2.79mm)	0.110" (2.79mm)	0.155" (3.94mm)
Insulation Height	0.340" (8.64mm)	0.340" (8.64mm)	0.340" (8.64mm)	0.340" (8.64mm)	0.315" (8.00mm)	0.315" (8.00mm)	0.315" (8.00mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold or Gold-Palladium	Gold or Gold-Palladium	Gold or Gold-Palladium
Contact Finish Thickness - Mating	15.0µin (0.38µm)	30.0µin (0.76µm)	10.0µin (0.25µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)	30.0µin (0.76µm)
Contact Finish - Post	Tin-Lead	Tin-Lead	Tin	Tin	Tin	Tin-Lead	Tin
Contact Material	Copper Alloy	Copper Alloy	Brass	Copper Alloy	Brass	Brass	Brass
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C	-65°C ~ 105°C
Current Rating	1A	1.75A	1.75A	1.75A	1A per Contact	1A per Contact	1A per Contact
Voltage Rating	—	—	—	—	250VAC	250VAC	250VAC
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Fastening Type	Latch Lock/Eject Hooks, Long	Push-Pull	Push-Pull	Push-Pull	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks, Long
Product Status	Obsolete	Obsolete	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

3M 3429-5002 (Obsolete, RoHS Non-Compliant) Direct 3M equivalent with identical core dimensions and electrical specifications. Differs in fastening type (Push-Pull vs. Latch Lock) and current rating (1.75A vs. 1A). Suitable for legacy designs where RoHS compliance is not required. Not recommended for new designs.

3M D3429-5002-AR (Active, ROHS3 Compliant) Active 3M alternative with ROHS3 compliance. Maintains core mechanical compatibility with minor variations in contact post finish (Tin vs. Tin-Lead) and contact material (Brass vs. Copper Alloy). Recommended for new designs requiring RoHS compliance and active product support.

3M N3429-5002RB (Active, ROHS3 Compliant) Active 3M alternative with ROHS3 compliance and REACH unaffected status. Functionally equivalent to 3429-5002 with improved compliance posture. Highest inventory availability (2290 pcs). Recommended for designs prioritizing regulatory compliance and supply continuity.

TE Connectivity 2-5499141-6 (Active, ROHS3 Compliant) Cross-manufacturer substitute from TE Connectivity AMP-Latch series. Maintains electrical and mechanical compatibility with minor dimensional variations (insulation height 0.315" vs. 0.340", contact post length 0.110" vs. 0.112"). Offers extended operating temperature range (-65°C vs. -55°C) and 250VAC voltage rating. ROHS3 compliant. Suitable for designs requiring cross-manufacturer flexibility.

TE Connectivity 499141-6 (Active, RoHS Non-Compliant) Cross-manufacturer substitute with identical fastening type (Latch Lock/Eject Hooks, Long) to the main part. RoHS non-compliant status limits applicability to legacy designs. Not recommended for new designs.

TE Connectivity 5102322-6 (Active, ROHS3 Compliant) Cross-manufacturer substitute with ROHS3 compliance. Differs in contact post length (0.155" vs. 0.112"), requiring PCB layout verification. Suitable for applications where extended post length is acceptable or beneficial.

Frequently Asked Questions (FAQ)

Q: Can I substitute 3429-5302-UG with 3429-5002 directly? A: Yes, mechanically and electrically. Both are 26-position, 2-row headers at 0.100" pitch with identical mating contact length and insulation height. The primary difference is fastening type (Latch Lock vs. Push-Pull) and current rating (1A vs. 1.75A). Verify your connector receptacle is compatible with the Push-Pull fastening mechanism.

Q: What is the difference between the 3M and TE Connectivity substitutes? A: Both maintain core 26-position, 2-row, 0.100" pitch specifications. TE Connectivity parts feature slightly reduced insulation height (0.315" vs. 0.340") and contact post length (0.110" to 0.155" vs. 0.112"), plus extended operating temperature range (-65°C vs. -55°C) and 250VAC voltage rating. Verify PCB footprint compatibility before substitution.

Q: Which substitute should I use for new designs? A: For RoHS compliance and active product support, use 3M N3429-5002RB or D3429-5002-AR. Both are ROHS3 compliant with active product status. N3429-5002RB offers higher inventory availability. For cross-manufacturer flexibility with extended temperature range, use TE Connectivity 2-5499141-6 or 5102322-6.

Q: Are there packaging differences between substitutes? A: Yes. 3429-5302-UG and 3429-5002 are supplied in bulk. D3429-5002-AR, 2-5499141-6, and 5102322-6 are supplied in trays. N3429-5002RB is supplied in bulk. Verify packaging requirements for your procurement and assembly processes.

Q: What is the impact of contact post length variation? A: Contact post length ranges from 0.110" (TE Connectivity parts) to 0.155" (5102322-6) versus 0.112" (main part). Longer posts may require PCB hole depth adjustment. Shorter posts remain compatible with standard through-hole PCB designs. Verify PCB design specifications before substitution.

Q: Can I use TE Connectivity parts as direct drop-in replacements? A: Mechanically compatible with minor dimensional variations. Insulation height is 0.315" (TE) versus 0.340" (3M), and contact post length varies. Verify connector receptacle compatibility and PCB footprint before substitution. Electrical performance is equivalent across all substitutes.

Q: What is the significance of RoHS compliance status? A: ROHS3-compliant parts (D3429-5002-AR, N3429-5002RB, 2-5499141-6, 5102322-6) meet EU Directive 2011/65/EU requirements and are suitable for products sold in regulated markets. RoHS non-compliant parts (3429-5002, 499141-6) are restricted to legacy designs or non-regulated applications.

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