3M 3440-5002 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The 3M 3440-5002 is a through-hole, right-angle rectangular connector header with 30 positions at 0.100" (2.54mm) pitch, designed for board-to-cable/wire applications. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement. Substitute parts must maintain electrical and mechanical compatibility across key connector parameters including pitch, position count, shrouding configuration, and termination method.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	30
Number of Rows	2
Row Spacing - Mating	0.100" (2.54mm)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Termination	Solder
Fastening Type	Push-Pull
Contact Shape	Square
Material Flammability Rating	UL94 V-0
Operating Temperature	-55°C ~ 105°C
Current Rating	1.75A

Substitute Part Grouping Explanation

Substitution eligibility for the 3M 3440-5002 is determined by strict equivalence across the following parameters:

Pitch - Mating: 0.100" (2.54mm)
Number of Positions: 30
Number of Rows: 2
Row Spacing - Mating: 0.100" (2.54mm)
Mounting Type: Through Hole, Right Angle
Shrouding: Shrouded - 4 Wall
Termination: Solder
Fastening Type: Push-Pull
Contact Shape: Square
Material Flammability Rating: UL94 V-0

The identified substitute parts maintain these core parameters, ensuring mechanical and electrical interchangeability in board-level applications. Variations in contact finish composition, insulation material formulation, and product status reflect manufacturing updates and compliance evolution rather than functional divergence.

Parameter Comparison

Parameter	3M 3440-5002	3M N3440-5002RB	Amphenol ICC 71922-030LF
Manufacturer	3M	3M	Amphenol ICC (FCI)
Product Status	Obsolete	Active	Active
Connector Type	Header	Header	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	30	30	30
Number of Rows	2	2	2
Row Spacing - Mating	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
Shrouding	Shrouded - 4 Wall	Shrouded - 4 Wall	Shrouded - 4 Wall
Termination	Solder	Solder	Solder
Fastening Type	Push-Pull	Push-Pull	Push-Pull
Contact Shape	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold, GXT™
Contact Finish - Post	Tin-Lead	Tin	Tin
Contact Material	Copper Alloy	Copper Alloy	Phosphor Bronze
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	Not specified
Current Rating	1.75A	1.75A	Not specified
RoHS Status	RoHS non-compliant	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For applications currently using the obsolete 3M 3440-5002, the 3M N3440-5002RB is the primary substitute. This part maintains identical electrical and mechanical specifications while offering active product status and RoHS compliance. The transition from tin-lead to tin post finish aligns with contemporary manufacturing standards and does not affect functional compatibility.

The Amphenol ICC 71922-030LF (Quickie™ series) represents an alternative from a different manufacturer. This part satisfies all core substitution parameters and carries active product status with RoHS compliance. The phosphor bronze contact material and GXT™ mating finish provide equivalent performance characteristics. Operating temperature and current rating specifications are not provided for this part; verification against application requirements is necessary for critical thermal or power delivery scenarios.

For new designs, the 3M N3440-5002RB is recommended as the primary choice due to direct manufacturer lineage and complete specification documentation. The Amphenol ICC 71922-030LF is suitable where multi-source qualification or alternative supplier relationships are required.

Frequently Asked Questions (FAQ)

Q: Can the 3M N3440-5002RB directly replace the 3M 3440-5002 in existing assemblies?

A: Yes. Both parts share identical pitch (0.100"), position count (30), row configuration (2 rows), mounting type (through-hole right-angle), shrouding (4-wall), and termination method (solder). The change from tin-lead to tin post finish does not affect mechanical or electrical interchangeability.

Q: What is the significance of the RoHS compliance difference between 3440-5002 and N3440-5002RB?

A: The 3440-5002 is RoHS non-compliant due to tin-lead post finish. The N3440-5002RB uses tin post finish and is RoHS compliant. For applications subject to RoHS regulations or customer requirements, the N3440-5002RB is the appropriate selection.

Q: How does the Amphenol ICC 71922-030LF differ from the 3M alternatives?

A: The 71922-030LF maintains all critical connector parameters (pitch, position count, mounting, shrouding, termination). Differences include contact material (phosphor bronze vs. copper alloy), mating finish enhancement (GXT™), and insulation material formulation. These variations do not affect board-level compatibility. Operating temperature and current rating are not specified for this part.

Q: Are there packaging considerations when substituting these parts?

A: The 3M 3440-5002 is supplied in standard packaging. The N3440-5002RB is supplied in bulk packaging. The Amphenol ICC 71922-030LF is supplied in tube packaging. Packaging format does not affect component functionality but may influence procurement and handling procedures.

Q: Which substitute part should be selected for new product designs?

A: The 3M N3440-5002RB is recommended for new designs. It provides direct manufacturer continuity, complete specification documentation, and RoHS compliance. The Amphenol ICC 71922-030LF is suitable where multi-source qualification or alternative supplier relationships are required.

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