3M 2534-6002UB Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 2534-6002UB is a shrouded rectangular connector header designed for through-hole mounting in board-to-board or cable applications. This 34-position, 2-row connector operates across -55°C to 105°C and features gold-plated mating contacts with tin-lead post finishes. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	34
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	-55°C ~ 105°C
Current Rating	1.75A
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility for the 2534-6002UB is determined by the following critical parameters:

Connector configuration: 34 positions, 2 rows, 0.100" (2.54mm) pitch
Contact specifications: Male pin type with gold mating finish
Mounting and termination: Through-hole solder termination
Shrouding design: 4-wall shrouded configuration
Electrical performance: 1.75A current rating, -55°C to 105°C operating range
Material compliance: UL94 V-0 flammability rating

The substitute parts N2534-6002-RB and D2534-6002-AR maintain these core electrical and mechanical parameters, enabling direct functional replacement in applications designed for the 2534-6002UB.

Parameter Comparison

Parameter	2534-6002UB (Main)	N2534-6002-RB (Substitute)	D2534-6002-AR (Substitute)
Manufacturer	3M	3M	3M
Series	2500	2500	D2500
Product Status	Obsolete	Active	Active
Connector Type	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin
Number of Positions	34	34	34
Number of Rows	2	2	2
Pitch - Mating	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)
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Mounting Type	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder
Contact Length - Mating	0.243" (6.17mm)	0.243" (6.17mm)	0.243" (6.17mm)
Contact Length - Post	0.112" (2.84mm)	0.112" (2.84mm)	0.112" (2.84mm)
Insulation Height	0.390" (9.91mm)	0.390" (9.91mm)	0.253" (6.43mm)
Contact Shape	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold
Contact Finish - Post	Tin-Lead	Tin	Tin
Contact Material	Copper Alloy	Copper Alloy	Brass
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
Current Rating	1.75A	1.75A	1.75A
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant
REACH Status	REACH Affected	REACH Unaffected	REACH Unaffected
Packaging	Not specified	Bulk	Tube
Inventory Status	1153 Pcs New Original In Stock	16158 Pcs New Original In Stock	1445 Pcs New Original In Stock

Engineering Selection Recommendations

N2534-6002-RB is the primary substitute for the obsolete 2534-6002UB. Both parts maintain identical electrical and mechanical specifications across all critical parameters. The N2534-6002-RB is actively produced, offers superior inventory availability (16158 units), and achieves ROHS3 compliance and REACH unaffected status, eliminating regulatory constraints associated with the original part. Packaging is supplied in bulk format.

D2534-6002-AR serves as an alternative substitute within the D2500 series. This part maintains full electrical compatibility and active production status. The D2534-6002-AR differs in insulation height (0.253" versus 0.390"), contact material composition (brass versus copper alloy), and contact finish thickness specifications. This variant is packaged in tube format and achieves full RoHS compliance with REACH unaffected status. Selection of D2534-6002-AR requires verification that the reduced insulation height accommodates the target application's mechanical constraints.

Frequently Asked Questions (FAQ)

Q: Can N2534-6002-RB directly replace 2534-6002UB in existing designs?

A: Yes. The N2534-6002-RB maintains identical pitch (0.100"), position count (34), row configuration (2), shrouding design (4-wall), and electrical ratings (1.75A, -55°C to 105°C). The primary difference is post finish material (tin versus tin-lead) and regulatory compliance status. Both parts are functionally interchangeable in solder-terminated through-hole applications.

Q: What is the significance of the insulation height difference between N2534-6002-RB and D2534-6002-AR?

A: The N2534-6002-RB maintains 0.390" insulation height matching the original 2534-6002UB. The D2534-6002-AR features reduced insulation height of 0.253". This dimensional difference affects board-level clearance and mating interface geometry. Applications with space constraints may benefit from the D2534-6002-AR, while designs requiring standard height should use N2534-6002-RB.

Q: Are there regulatory compliance differences between the substitute parts?

A: Yes. The 2534-6002UB is RoHS non-compliant and REACH affected. Both N2534-6002-RB (ROHS3 compliant, REACH unaffected) and D2534-6002-AR (RoHS compliant, REACH unaffected) eliminate these regulatory constraints. Applications subject to RoHS or REACH requirements must use either substitute part.

Q: What packaging formats are available for these substitute parts?

A: N2534-6002-RB is supplied in bulk packaging, while D2534-6002-AR is supplied in tube packaging. Bulk format is suitable for high-volume assembly operations, while tube packaging provides organized component presentation for lower-volume or manual assembly processes.

Q: Does the contact material difference (copper alloy versus brass) affect electrical performance?

A: Both copper alloy and brass maintain the specified 1.75A current rating and operate across the -55°C to 105°C temperature range. The contact material difference does not alter electrical performance for this application. Material selection reflects manufacturing process variation within the 3M product line.

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