3M 2564-6003UB Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 2564-6003UB is a through-hole rectangular connector header with 64 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This shrouded 4-wall header features male pins with gold-plated mating contacts and tin-lead post finish, designed for board-to-board or cable applications. The part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts must maintain electrical compatibility, mechanical fit, and performance characteristics within the specified operating parameters.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	64
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
Fastening Type	Push-Pull
Operating Temperature Range	-55°C ~ 105°C
Current Rating	1.75A
Material Flammability Rating	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 2564-6003UB is determined by the following critical parameters:

Connector Type & Contact Configuration: Header with male pins
Position Count & Arrangement: 64 positions in 2 rows
Pitch Specifications: 0.100" (2.54mm) mating pitch and row spacing
Shrouding & Mechanical Form Factor: Shrouded 4-wall construction
Mounting & Termination: Through-hole solder termination
Fastening Mechanism: Push-pull fastening type
Environmental Ratings: UL94 V-0 flammability, MSL 1

The three substitute parts listed below meet these core electrical and mechanical requirements. Variations in contact finish, insulation material, and post length are within acceptable tolerances for equivalent functionality in standard applications.

Parameter Comparison

Parameter	2564-6003UB (3M)	N2564-6002-RB (3M)	HIF3FB-64PA-2.54DSA(71) (Hirose)	SBH11-PBPC-D32-ST-BK (Sullins)
Connector Type	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	64	64	64	64
Number of Rows	2	2	2	2
Pitch - Mating	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)
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Termination	Solder	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold	Gold	Gold
Contact Finish - Post	Tin-Lead	Tin	Tin	Gold
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 85°C	-40°C ~ 105°C
Current Rating	1.75A	1.75A	1A	3A
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

N2564-6002-RB (3M) is the primary recommended substitute. This part maintains identical electrical and mechanical specifications to the 2564-6003UB while offering active product status and ROHS3 compliance. The only material difference is the post finish (tin versus tin-lead), which does not affect functional compatibility. This part is manufactured by the same supplier as the original, ensuring design continuity and compatibility with existing PCB layouts.

HIF3FB-64PA-2.54DSA(71) (Hirose Electric) is a cross-manufacturer equivalent suitable for applications where the operating temperature range of -55°C to 85°C is acceptable. This part has a lower current rating (1A versus 1.75A) and should be evaluated for current capacity requirements. RoHS compliance and active product status support long-term availability.

SBH11-PBPC-D32-ST-BK (Sullins Connector Solutions) offers the highest current rating (3A) and maintains the full -40°C to 105°C operating range. This part features gold plating on both mating and post contacts, providing enhanced corrosion resistance. ROHS3 compliance and active status ensure supply chain continuity. The higher current capacity makes this option suitable for applications requiring increased power delivery.

For applications requiring strict adherence to the original -55°C to 105°C temperature range and 1.75A current specification, N2564-6002-RB is the optimal choice. For applications with higher current demands, SBH11-PBPC-D32-ST-BK is appropriate. HIF3FB-64PA-2.54DSA(71) is suitable only when the reduced temperature range and current rating align with application requirements.

Frequently Asked Questions (FAQ)

Q: Can the 2564-6003UB be directly replaced with N2564-6002-RB without PCB modifications?

A: Yes. Both parts share identical pitch (0.100"), position count (64), row configuration (2 rows), shrouding (4-wall), and mounting type (through-hole). The post finish difference (tin-lead to tin) does not require layout changes.

Q: What is the significance of the operating temperature range difference between substitutes?

A: The HIF3FB-64PA-2.54DSA(71) operates to 85°C maximum, while the original and other substitutes operate to 105°C. Applications requiring operation above 85°C must use either N2564-6002-RB or SBH11-PBPC-D32-ST-BK.

Q: Why does the SBH11-PBPC-D32-ST-BK have a higher current rating?

A: The SBH11 series is designed with contact geometry and material specifications that support 3A continuous current, compared to 1.75A for the 2564 series. This is a design characteristic of the Sullins connector line and does not affect compatibility for applications requiring 1.75A or less.

Q: Are all substitute parts RoHS compliant?

A: N2564-6002-RB and SBH11-PBPC-D32-ST-BK are ROHS3 compliant. HIF3FB-64PA-2.54DSA(71) is RoHS compliant. The original 2564-6003UB is RoHS non-compliant due to tin-lead plating.

Q: What packaging formats are available for these substitutes?

A: N2564-6002-RB is supplied in bulk packaging. HIF3FB-64PA-2.54DSA(71) is supplied in tray packaging. SBH11-PBPC-D32-ST-BK is supplied in tray packaging. Packaging selection should align with production volume and handling requirements.

Q: Can these parts be used interchangeably in the same mating connector?

A: Yes, all substitute parts maintain the 0.100" (2.54mm) pitch and 2-row configuration, ensuring mechanical compatibility with standard 64-position 2.54mm pitch receptacles. Electrical performance is equivalent within the specified current and temperature ratings of each part.

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