HARTING 09185346321 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The HARTING 09185346321 is a right-angle rectangular connector header with 34 positions at 2.54mm pitch, designed for through-hole board-to-cable/wire applications. This component features shrouded 4-wall construction with solder termination and latch holder fastening. The part is classified as obsolete, making equivalent substitutes necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	09185346321
Manufacturer	HARTING
Series	SEK
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)
Mounting Type	Through Hole, Right Angle
Shrouding	Shrouded - 4 Wall
Termination	Solder
Fastening Type	Latch Holder
Contact Finish - Mating	Gold
Contact Material	Copper Alloy
Insulation Material	Polybutylene Terephthalate (PBT), Glass Filled
Operating Temperature	-55°C ~ 125°C
Material Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the HARTING 09185346321 is determined by strict equivalence across the following critical parameters:

Position Count & Pitch: 34 positions at 0.100" (2.54mm) mating pitch with 2-row configuration
Mounting Configuration: Through-hole, right-angle orientation for board-to-cable/wire connection
Shrouding & Fastening: 4-wall shrouded construction with mechanical fastening
Termination Method: Solder termination for PCB attachment
Contact System: Male pin contacts with gold mating surface finish
Electrical & Environmental: UL94 V-0 flammability rating, ROHS3 compliance, and operating temperature range

Substitute parts are grouped into two categories based on fastening mechanism evolution:

Category A - Push-Pull Fastening (Modern Active Alternatives): Molex 0702473451, TE Connectivity 1-1761682-1, 103310-7, 103311-7, 3-1761605-1, 5103310-7, 5103311-7, Amphenol ICC 75867-106LF, 75867-306LF, and 3M D2534-5002-AR. These parts maintain full mechanical and electrical compatibility while offering active product status and improved availability.

Fastening Transition Note: The original HARTING part uses latch holder fastening, while all active substitutes employ push-pull fastening. This represents a functional upgrade in connector retention design without affecting mating interface compatibility.

Parameter Comparison

Parameter	HARTING 09185346321	Molex 0702473451	TE Connectivity 1-1761682-1	TE Connectivity 103310-7	TE Connectivity 3-1761605-1	Amphenol ICC 75867-106LF	3M D2534-5002-AR
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	34	34	34	34	34	34	34
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, Right Angle	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
Contact Finish - Mating	Gold	Gold	Gold	Gold or Gold-Palladium	Gold	Gold, GXT™	Gold
Contact Material	Copper Alloy	Phosphor Bronze	Phosphor Bronze	Brass	Phosphor Bronze	Phosphor Bronze	Brass
Insulation Material	PBT, Glass Filled	PBT, Glass Filled	PCT	Not specified	PBT	Thermoplastic, Glass Filled	PCT, Polyester, Glass Filled
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	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not applicable	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation - TE Connectivity 3-1761605-1: This part offers the highest inventory availability (2998 units), active product status, ROHS3 compliance, and full electrical equivalence. The AMP-Latch series provides proven reliability in production environments with 1A per contact current rating and 250VAC voltage rating.

Secondary Recommendation - Molex 0702473451: Suitable for applications requiring Molex ecosystem integration. Maintains ROHS3 compliance and active status with 700 units in stock. The C-Grid 70247 series offers automotive, medical, and telecommunications application heritage.

Alternative for Extended Temperature Range - HARTING 09185346321 (if available): Original part supports -55°C to 125°C operating range. Substitutes generally support -65°C to 105°C, which is adequate for most industrial applications but does not extend to the original upper temperature limit.

Packaging Consideration: TE Connectivity 5103310-7 and 5103311-7 offer highest inventory (7288 and 1293 units respectively) in tray and tube packaging, suitable for high-volume procurement.

Compliance Note: TE Connectivity 103310-7 and 103311-7 carry "Not applicable" RoHS status due to legacy product classification. For new designs requiring ROHS3 certification, select from the compliant alternatives listed above.

Frequently Asked Questions (FAQ)

Q: Can I directly replace HARTING 09185346321 with any of these substitutes in existing designs?

A: Yes, all listed substitutes maintain mechanical and electrical interface compatibility. The mating pitch (0.100"), position count (34), row configuration (2), shrouding (4-wall), and termination method (solder) are identical. The primary difference is fastening mechanism evolution from latch holder to push-pull, which does not affect mating interface compatibility.

Q: What is the difference between push-pull and latch holder fastening?

A: Both mechanisms secure the connector to the mating receptacle. Push-pull fastening (used in all active substitutes) provides tactile feedback and is the current industry standard. Latch holder fastening (original HARTING design) uses a different retention geometry. Both are mechanically and electrically equivalent for this 34-position header application.

Q: Are there temperature range differences I should consider?

A: The original HARTING part operates from -55°C to 125°C. Most active substitutes operate from -65°C to 105°C. If your application requires operation above 105°C, the original part or TE Connectivity 1-1761682-1 (which specifies -65°C to 105°C) should be verified against specific thermal requirements. For standard industrial applications (-40°C to 85°C), all substitutes are suitable.

Q: Which substitute has the best availability?

A: TE Connectivity 3-1761605-1 offers 2998 units in stock, followed by 5103310-7 with 7288 units. For immediate procurement, 3-1761605-1 provides the best balance of availability and active product status.

Q: Do all substitutes meet RoHS3 compliance?

A: Most substitutes are ROHS3 compliant. TE Connectivity 103310-7 and 103311-7 are marked "Not applicable" due to legacy classification. For new designs requiring ROHS3 certification, select Molex 0702473451, TE Connectivity 1-1761682-1, 3-1761605-1, 5103310-7, 5103311-7, Amphenol ICC 75867-106LF, 75867-306LF, or 3M D2534-5002-AR.

Q: What is the difference between packaging options (Bulk, Tray, Tube)?

A: Packaging affects handling and storage but not electrical or mechanical function. Bulk packaging is standard for component-level procurement. Tray packaging (5103310-7) suits automated assembly. Tube packaging (5103311-7, 75867-106LF, 75867-306LF, D2534-5002-AR) is common for manual assembly and lower-volume orders.

Q: Can I mix substitutes in the same design?

A: Yes. All substitutes maintain identical mating interface geometry and electrical characteristics. Mixing different manufacturers or series in the same design does not create compatibility issues, though standardizing on a single part number is recommended for supply chain simplicity.

Q: What contact material differences exist, and do they matter?

A: The original uses copper alloy; substitutes use phosphor bronze or brass. All maintain gold mating surface finish. Contact material differences affect mechanical durability and cost but do not impact electrical performance for this application. Phosphor bronze (Molex, TE Connectivity 1-1761682-1, Amphenol ICC) offers superior spring characteristics; brass (TE Connectivity 103310-7, 103311-7, 3M D2534-5002-AR) provides cost efficiency.

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