3M 3440-5302 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The 3M 3440-5302 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. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The connector features shrouded 4-wall construction with solder termination and latch lock/eject hook fastening, suitable for applications requiring secure mating and reliable electrical contact at 1.75A per contact.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	30
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
Termination	Solder
Contact Finish - Mating	Gold
Contact Finish - Post	Tin-Lead
Operating Temperature Range	-55°C ~ 105°C
Current Rating	1.75A
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the 3M 3440-5302 is determined by strict equivalence in the following critical parameters:

Connector type (Header)
Contact type (Male Pin)
Number of positions (30)
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)
Termination (Solder)
Contact finish - mating (Gold)
Material flammability rating (UL94 V-0)

Substitute parts are grouped into two categories:

Direct Equivalents (Same Position Count - 30): Parts that maintain identical position configuration and mounting orientation, differing only in fastening type, contact finish post material, or compliance status.

Functional Alternatives (Different Position Count): Parts that share core electrical and mechanical characteristics but with different position counts, suitable only when circuit design permits position variation.

Parameter Comparison

Parameter	3440-5302 (3M)	N3440-5002RB (3M)	09185305913 (HARTING)	09185306904 (HARTING)	09185345921 (HARTING)	5499141-7 (TE Connectivity)	71922-130LF (Amphenol ICC)
Connector Type	Header	Header	Header	Header	Header	Header	Header
Contact Type	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin	Male Pin
Number of Positions	30	30	30	30	34	30	30
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	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
Termination	Solder	Solder	Solder	Solder	Solder	Solder	Solder
Fastening Type	Latch Lock/Eject Hooks, Long	Push-Pull	Latch Lock/Eject Hooks, Short	Latch Lock/Eject Hooks, Long	Push-Pull	Latch Lock/Eject Hooks, Long	Latch Lock/Eject Hooks
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold or Gold-Palladium	Gold, GXT™
Contact Finish - Post	Tin-Lead	Tin	Tin	Tin	Tin	Tin	Tin
Contact Material	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Copper Alloy	Brass	Phosphor Bronze
Insulation Material	PCT, Polyester, Glass Filled	PCT, Polyester, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	Not specified	Thermoplastic, Glass Filled
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-65°C ~ 105°C	Not specified
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0	UL94 V-0
RoHS Status	RoHS non-compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitute - N3440-5002RB (3M): This part is the recommended direct equivalent. It maintains identical electrical and mechanical specifications to the 3440-5302, including 30-position configuration, right-angle mounting, and operating temperature range of -55°C to 105°C. The primary difference is fastening type (Push-Pull versus Latch Lock/Eject Hooks) and RoHS compliance status. N3440-5002RB is RoHS compliant and carries active product status, ensuring long-term availability and supply chain stability.

Secondary Substitutes - 09185305913, 5499141-7, 71922-130LF: These parts provide functional equivalence with identical position count and pitch specifications. All three are active products with RoHS compliance. Differences include:

09185305913 (HARTING SEK series) and 5499141-7 (TE Connectivity AMP-Latch series) maintain the latch lock/eject hook fastening mechanism similar to the original part.
71922-130LF (Amphenol ICC Quickie™ series) offers an alternative fastening approach while maintaining core electrical characteristics.
Operating temperature ranges extend to -55°C to 125°C for HARTING and -65°C to 105°C for TE Connectivity, providing enhanced thermal performance in specific applications.

Alternative Consideration - 09185306904 (HARTING): This part differs in mounting orientation (vertical through-hole versus right-angle). Selection requires circuit board layout compatibility verification. It is suitable only when PCB design permits vertical header orientation.

Not Recommended - 09185345921 (HARTING): This 34-position variant deviates from the 30-position specification of the original part. Selection is limited to applications where circuit design explicitly accommodates the additional four positions.

Frequently Asked Questions (FAQ)

Q: Can N3440-5002RB directly replace 3440-5302 in existing designs?

A: Yes. N3440-5002RB maintains identical electrical and mechanical specifications including 30 positions, 2.54mm pitch, right-angle mounting, and operating temperature range. The fastening mechanism differs (Push-Pull versus Latch Lock/Eject Hooks), which may affect mating force characteristics but does not impact electrical performance or PCB footprint compatibility.

Q: What is the significance of RoHS compliance differences?

A: The original 3440-5302 is RoHS non-compliant due to tin-lead contact finish on the post. All recommended substitutes are RoHS compliant, using tin-only post finishes. This compliance status is critical for applications subject to RoHS regulations or customer requirements. Designs not subject to RoHS mandates may use either compliant or non-compliant variants.

Q: Are HARTING 09185305913 and TE Connectivity 5499141-7 interchangeable with the original part?

A: Both parts are electrically and mechanically equivalent to the 3440-5302 in terms of position count, pitch, mounting type, and shrouding. Both maintain latch lock/eject hook fastening similar to the original. Differences in contact material (Copper Alloy versus Brass), insulation material composition, and operating temperature ranges (-55°C to 125°C versus -65°C to 105°C) are secondary considerations. Selection depends on supply chain availability and specific application thermal requirements.

Q: Why is 09185306904 listed as a substitute if it has vertical mounting?

A: 09185306904 is functionally equivalent in electrical characteristics and position count but differs in mounting orientation. It is suitable only for applications where PCB layout permits vertical header installation. This part should not be selected as a direct replacement without circuit board redesign verification.

Q: What packaging formats are available for these substitutes?

A: Packaging varies by manufacturer: N3440-5002RB is supplied in Bulk; HARTING parts (09185305913, 09185306904, 09185345921) are supplied in Bulk; TE Connectivity 5499141-7 is supplied in Tray; Amphenol ICC 71922-130LF is supplied in Tube. Packaging selection affects handling, storage, and procurement logistics but does not impact electrical or mechanical performance.

Q: Are there current rating differences between the original and substitute parts?

A: The original 3440-5302 specifies 1.75A per contact. TE Connectivity 5499141-7 specifies 1A per contact, representing a lower current capacity. HARTING and Amphenol ICC parts do not provide explicit current ratings in available documentation. For applications requiring 1.75A per contact, N3440-5002RB or 71922-130LF are preferred selections.

Q: Can 09185345921 be used as a substitute despite having 34 positions instead of 30?

A: 09185345921 is not a direct substitute due to position count mismatch. Selection is limited to applications where circuit design explicitly accommodates 34 positions. Using this part in a 30-position design would result in unused contacts and potential mating incompatibility with existing cable assemblies.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message