3M 961132-5604-AR Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The 3M 961132-5604-AR is a through-hole, right-angle rectangular connector header with 32 positions at 0.100" (2.54mm) pitch. This component is classified as obsolete, making identification of functionally equivalent substitute parts essential for ongoing design support and procurement. The connector is designed for board-to-board applications with solder termination and push-pull fastening.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	32
Number of Rows	1
Mounting Type	Through Hole, Right Angle
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Insulation Material	Thermoplastic
Material Flammability Rating	UL94 V-0
Operating Temperature	-25°C ~ 105°C
Current Rating	2A
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 3M 961132-5604-AR are qualified based on the following critical parameters that must match or exceed the original specification:

Connector type: Header with male pin contacts
Pitch: 0.100" (2.54mm) mating pitch
Position count: 32 positions in single row configuration
Mounting: Through-hole, right-angle orientation
Termination: Solder connection
Fastening: Push-pull mechanism
Contact finish: Gold plating on mating surface
Flammability: UL94 V-0 rating
Moisture sensitivity: MSL 1 (Unlimited)

The identified substitute parts maintain these core electrical and mechanical parameters, ensuring functional compatibility in board-to-board applications.

Parameter Comparison

Parameter	3M 961132-5604-AR	Molex 0022288324	Preci-Dip 890-70-032-20-001101
Manufacturer	3M	Molex	Preci-Dip
Product Status	Obsolete	Active	Active
Connector Type	Header	Header, Breakaway	Header
Contact Type	Male Pin	Male Pin	Male Pin
Pitch - Mating	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Number of Positions	32	32	32
Number of Rows	1	1	1
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle
Termination	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull
Contact Length - Mating	0.240" (6.10mm)	0.244" (6.20mm)	0.236" (6.00mm)
Contact Length - Post	0.130" (3.30mm)	0.120" (3.05mm)	0.118" (3.00mm)
Insulation Height	0.098" (2.50mm)	0.098" (2.50mm)	0.100" (2.54mm)
Contact Shape	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold
Contact Finish - Post	Tin	Tin	Gold
Insulation Material	Thermoplastic	Polyamide (PA), Nylon, Glass Filled	Polyamide (PA), Nylon, Glass Filled
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
Operating Temperature	-25°C ~ 105°C	Not specified	-55°C ~ 125°C
Current Rating	2A	Not specified	3A
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Both substitute parts maintain active product status, ensuring long-term availability and supply chain stability compared to the obsolete 3M original.

The Molex 0022288324 offers board-to-board or cable application flexibility through its breakaway connector design. It maintains full compliance with UL94 V-0 flammability requirements and MSL 1 moisture sensitivity rating. The contact length specifications remain within acceptable tolerance ranges for standard PCB mounting applications.

The Preci-Dip 890-70-032-20-001101 is the manufacturer-recommended substitute, providing extended operating temperature range (-55°C ~ 125°C) and higher current rating (3A) compared to the original specification. This part includes ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. The gold post finish provides enhanced corrosion resistance compared to tin-plated alternatives.

Both substitutes carry ROHS3 compliance certification, supporting environmental and regulatory compliance requirements for new designs and legacy system updates.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0022288324 be used as a direct replacement for the 3M 961132-5604-AR?

A: Yes. Both connectors share identical pitch (0.100"), position count (32), mounting type (through-hole right-angle), and termination method (solder). The contact length variations (0.244" vs. 0.240") fall within acceptable mechanical tolerance for standard PCB applications. The Molex part adds breakaway capability, which does not affect compatibility with existing mating connectors.

Q: What is the significance of the Preci-Dip part being manufacturer-recommended?

A: The Preci-Dip 890-70-032-20-001101 is explicitly identified as the manufacturer-recommended substitute, indicating engineering validation for functional equivalence. This part provides superior operating temperature range and current rating specifications, making it suitable for applications requiring extended environmental performance.

Q: Are there differences in insulation material between the original and substitutes?

A: Yes. The 3M original uses thermoplastic insulation, while both substitutes employ polyamide (PA) nylon with glass filling. Glass-filled polyamide provides improved mechanical strength and thermal stability. This material change does not affect electrical performance or compatibility in standard board-to-board applications.

Q: Do all three parts meet the same flammability and moisture sensitivity standards?

A: Yes. All three connectors carry UL94 V-0 flammability rating and MSL 1 (Unlimited) moisture sensitivity classification, ensuring equivalent performance in controlled manufacturing and storage environments.

Q: What packaging considerations apply to these substitutes?

A: The 3M original and Preci-Dip substitute are available in bulk packaging. The Molex part packaging specification is not provided in the available data. Confirm packaging requirements with supplier documentation before procurement.

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