TE Connectivity AMP Connectors 103310-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 103310-8 is a rectangular connector header designed for through-hole, right-angle mounting applications. This shrouded 40-position connector operates at 0.100" (2.54mm) pitch and accommodates male pin contacts with solder termination. The connector is classified as Active product status and is suitable for board-to-cable/wire interconnection in applications requiring push-pull fastening and keying slot features.

Equivalent and substitute parts are identified based on matching electrical and mechanical parameters including connector pitch, position count, row configuration, mounting orientation, contact type, and operating temperature range. Alternative sources provide equivalent functionality while accommodating different packaging requirements, compliance certifications, and inventory availability.

Key Parameters

Parameter	Specification
Connector Type	Header
Contact Type	Male Pin
Number of Positions	40
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
Style	Board to Cable/Wire
Operating Temperature Range	-65°C ~ 105°C
Material Flammability Rating	UL94 V-0
Current Rating	1A per Contact
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 103310-8 are grouped into two categories based on substitution criteria:

Direct Equivalent (Packaging Variant): The part 5103310-8 from TE Connectivity AMP Connectors maintains identical electrical and mechanical specifications with the primary difference being packaging format (Tube versus Bulk). This part is ROHS3 Compliant and represents a direct functional equivalent.

Functional Equivalents (Cross-Manufacturer): Parts from HARTING (09185405323, 09185406323, 09185407323), 3M (30340-5002HB, D2540-5002-AR, N2540-5002-RB, N2540-5003-RB), Hirose Electric (HIF3FC-40PA-2.54DS(71)), and Samtec (TST-120-04-L-D-RA) are classified as functional equivalents based on matching core parameters:

40-position, 2-row configuration at 0.100" (2.54mm) pitch
Male pin contact type with solder termination
Through-hole, right-angle mounting
Shrouded 4-wall design with keying slot
Square contact shape
UL94 V-0 flammability rating
Moisture Sensitivity Level 1

Substitution is valid when the application requirements align with the specified operating temperature range, current rating, and contact finish specifications of the selected alternative.

Parameter Comparison

Part Number	Manufacturer	Series	Positions	Pitch (mm)	Mounting	Fastening Type	Operating Temp (°C)	Current Rating	Contact Finish - Mating	Contact Material	Packaging	RoHS Status
103310-8	TE Connectivity AMP	AMP-Latch	40	2.54	Through Hole, Right Angle	Push-Pull	-65 ~ 105	1A per Contact	Gold or Gold-Palladium	Brass	Bulk	Not applicable
5103310-8	TE Connectivity AMP	AMP-Latch	40	2.54	Through Hole, Right Angle	Push-Pull	-65 ~ 105	1A per Contact	Gold or Gold-Palladium	Brass	Tube	ROHS3 Compliant
09185405323	HARTING	SEK	40	2.54	Through Hole, Right Angle	Latch Holder	-55 ~ 125	Not specified	Gold	Copper Alloy	Bulk	ROHS3 Compliant
09185406323	HARTING	SEK	40	2.54	Through Hole, Right Angle	Latch Holder	-55 ~ 125	Not specified	Gold	Copper Alloy	Bulk	ROHS3 Compliant
09185407323	HARTING	SEK	40	2.54	Through Hole, Right Angle	Latch Holder	-55 ~ 125	Not specified	Gold	Copper Alloy	Bulk	ROHS3 Compliant
30340-5002HB	3M	303	40	2.54	Through Hole, Right Angle	Push-Pull	-55 ~ 105	1A	Gold	Brass	Bulk	RoHS Compliant
D2540-5002-AR	3M	D2500	40	2.54	Through Hole, Right Angle	Push-Pull	-55 ~ 105	1.75A	Gold	Brass	Tray	ROHS3 Compliant
HIF3FC-40PA-2.54DS(71)	Hirose Electric Co Ltd	HIF3FC	40	2.54	Through Hole, Right Angle	Push-Pull	-55 ~ 85	1A	Gold	Brass	Tray	ROHS3 Compliant
N2540-5002-RB	3M	2500	40	2.54	Through Hole, Right Angle	Push-Pull	-55 ~ 105	1.75A	Gold	Copper Alloy	Bulk	RoHS Compliant
N2540-5003-RB	3M	2500	40	2.54	Through Hole, Right Angle	Push-Pull	-55 ~ 105	1.75A	Gold	Copper Alloy	Bulk	RoHS Compliant
TST-120-04-L-D-RA	Samtec Inc.	Flex Stack, TST	40	2.54	Through Hole, Right Angle	Push-Pull	-55 ~ 125	3.4A per Contact	Gold	Phosphor Bronze	Tube	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute - Direct Equivalent: The 5103310-8 from TE Connectivity AMP Connectors is the recommended direct substitute when packaging format change is acceptable. This part maintains identical electrical and mechanical specifications while offering ROHS3 Compliance certification, which may be required for certain applications or regulatory jurisdictions.

Secondary Substitutes - Cross-Manufacturer Equivalents:

3M Series (30340-5002HB, D2540-5002-AR, N2540-5002-RB, N2540-5003-RB): These parts provide functional equivalence with established RoHS or ROHS3 compliance. The N2540 series offers increased current rating (1.75A) compared to the original specification (1A), providing design margin for higher-current applications. The D2540-5002-AR variant is available in Tray packaging and maintains ROHS3 Compliant status.

HARTING Series (09185405323, 09185406323, 09185407323): These connectors provide extended operating temperature range (-55°C ~ 125°C) and ROHS3 Compliance. The fastening mechanism differs (Latch Holder versus Push-Pull), which may affect mating/unmating force characteristics and application suitability.

Hirose Electric HIF3FC-40PA-2.54DS(71): This part offers ROHS3 Compliance and push-pull fastening identical to the original. Operating temperature range is limited to -55°C ~ 85°C, restricting use in applications requiring the full -65°C lower temperature specification of the original part. Voltage rating specification (200V) is provided.

Samtec TST-120-04-L-D-RA: This connector provides the highest current rating (3.4A per Contact) and extended operating temperature range (-55°C ~ 125°C) with ROHS3 Compliance. Contact material is Phosphor Bronze rather than Brass, and packaging is Tube format.

Selection criteria should prioritize product status (all listed parts are Active), compliance requirements (ROHS3 Compliant variants for regulated applications), operating temperature requirements, current rating demands, and packaging format availability.

Frequently Asked Questions (FAQ)

Q: Can the 5103310-8 be used as a direct replacement for the 103310-8?

A: Yes. The 5103310-8 is a direct functional equivalent with identical electrical and mechanical specifications. The primary difference is packaging format (Tube versus Bulk). The 5103310-8 carries ROHS3 Compliance certification, which may be advantageous for applications subject to RoHS regulations.

Q: What is the primary difference between the TE Connectivity AMP-Latch series and the HARTING SEK series?

A: Both series maintain the same 40-position, 2.54mm pitch configuration and shrouded 4-wall design. The primary difference is the fastening mechanism: AMP-Latch uses Push-Pull fastening, while HARTING SEK uses Latch Holder fastening. This affects mating/unmating force and connector retention characteristics.

Q: Are the 3M N2540-5002-RB and N2540-5003-RB interchangeable?

A: Both parts are functionally equivalent with identical electrical specifications and current rating (1.75A). The difference lies in contact length post specification: N2540-5002-RB has 0.112" (2.84mm) post length, while N2540-5003-RB has 0.155" (3.94mm) post length. Selection depends on PCB thickness and application requirements.

Q: What is the significance of the operating temperature range difference between the original 103310-8 (-65°C ~ 105°C) and substitute options?

A: The original part operates at -65°C minimum temperature, which is lower than most cross-manufacturer equivalents (-55°C minimum). Applications requiring operation below -55°C must use the original TE Connectivity part or verify that the substitute's lower temperature limit is acceptable for the specific application environment.

Q: Does the Hirose Electric HIF3FC-40PA-2.54DS(71) have any limitations compared to the original part?

A: The HIF3FC-40PA-2.54DS(71) has an operating temperature upper limit of 85°C, compared to 105°C for the original part. This restricts use in applications requiring sustained operation above 85°C. The part is otherwise functionally equivalent with identical pitch, position count, and push-pull fastening.

Q: What packaging formats are available for these rectangular connectors?

A: Available packaging formats include Bulk (loose parts), Tube (rolled packaging), and Tray (organized array packaging). Packaging selection affects handling, storage, and automated assembly compatibility. The original 103310-8 is supplied in Bulk format.

Q: Which substitute offers the highest current rating?

A: The Samtec TST-120-04-L-D-RA offers the highest current rating at 3.4A per Contact, compared to 1A for the original part and 1.75A for the 3M N2540 series. This higher rating provides design margin for applications with elevated current requirements.

Q: Are all listed substitute parts ROHS3 Compliant?

A: No. The original 103310-8 has "Not applicable" RoHS status. Among substitutes, the 5103310-8, 09185405323, 09185406323, 09185407323, D2540-5002-AR, HIF3FC-40PA-2.54DS(71), and TST-120-04-L-D-RA are ROHS3 Compliant. The 30340-5002HB, N2540-5002-RB, and N2540-5003-RB are RoHS Compliant (earlier standard).

Q: What contact material differences exist among the substitute options?

A: The original 103310-8 uses Brass contacts. Most substitutes also use Brass (5103310-8, 30340-5002HB, D2540-5002-AR, HIF3FC-40PA-2.54DS(71)). The HARTING series (09185405323, 09185406323, 09185407323) and 3M 2500 series (N2540-5002-RB, N2540-5003-RB) use Copper Alloy contacts. The Samtec TST-120-04-L-D-RA uses Phosphor Bronze contacts. Contact material affects electrical conductivity and mechanical properties.

Q: Can substitutes with different contact finish specifications be used interchangeably?

A: Contact finish specifications affect mating surface characteristics and corrosion resistance. The original part specifies Gold or Gold-Palladium mating finish with 15.0µin thickness. Substitutes vary in finish type (Gold, Gold-Palladium) and thickness (8.0µin to 30.0µin). Interchangeability is maintained within the same mating interface, but finish specifications should be verified for applications with specific environmental or reliability requirements.

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