TE Connectivity 281279-2 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 281279-2 is a rectangular connector header designed for through-hole, right-angle mounting applications. This shrouded 10-position header operates at 2.54mm (0.100") pitch and features male pin contacts with gold-plated mating surfaces and tin-plated posts. The connector is part of the AMP-Latch series and is classified as Active product status with RoHS compliance and MSL 1 rating. Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in board-to-cable/wire applications.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Pitch - Mating	0.100" (2.54mm)
Number of Positions	10
Number of Rows	2
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
Insulation Material	Polybutylene Terephthalate (PBT), Glass Filled
Fastening Type	Push-Pull
RoHS Status	RoHS Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TE Connectivity 281279-2 are qualified based on the following critical parameters:

Primary Matching Criteria:

Connector type: Header
Contact type: Male Pin
Pitch: 0.100" (2.54mm)
Number of positions: 10
Number of rows: 2
Row spacing: 0.100" (2.54mm)
Mounting type: Through Hole, Right Angle
Shrouding: Shrouded - 4 Wall
Termination: Solder
Contact finish - Mating: Gold
Contact finish - Post: Tin
Insulation material: Polybutylene Terephthalate (PBT), Glass Filled

Secondary Compatibility Factors:

Fastening type (Push-Pull preferred for direct substitution)
Contact length specifications (mating and post)
Insulation height
Product status (Active)
RoHS compliance status
Moisture sensitivity level

Substitute parts are grouped by manufacturer and series. Parts with identical or functionally equivalent parameters within acceptable mechanical tolerances are listed as direct substitutes. Variations in contact material (Brass vs. Phosphor Bronze vs. Copper Alloy), contact finish thickness, or insulation color do not preclude substitution when all primary matching criteria are met.

Parameter Comparison

Parameter	281279-2 (TE)	0702471051 (Molex)	09185106321 (HARTING)	30310-5002HB (3M)	D2510-5002-AR (3M)	HTST-105-05-G-D-RA (Samtec)	10056845-110LF (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
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)
Number of Positions	10	10	10	10	10	10	10
Number of Rows	2	2	2	2	2	2	2
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
Fastening Type	Push-Pull	Push-Pull	Latch Holder	Push-Pull	Push-Pull	Push-Pull	Detent Lock
Contact Length - Mating	Not specified	0.240" (6.10mm)	0.240" (6.10mm)	0.236" (6.00mm)	0.243" (6.17mm)	0.250" (6.35mm)	0.236" (6.00mm)
Contact Length - Post	0.118" (3.00mm)	0.120" (3.05mm)	0.177" (4.50mm)	0.110" (2.79mm)	0.112" (2.84mm)	0.230" (5.84mm)	0.079" (2.00mm)
Insulation Height	0.362" (9.20mm)	0.350" (8.89mm)	0.366" (9.30mm)	0.331" (8.40mm)	0.338" (8.59mm)	0.365" (9.27mm)	0.362" (9.20mm)
Contact Shape	Square	Square	Square	Square	Square	Square	Square
Contact Finish - Mating	Gold	Gold	Gold	Gold	Gold	Gold	Gold, GXT™
Contact Finish - Post	Tin	Tin	Not specified	Gold	Tin	Gold	Tin
Contact Material	Brass	Phosphor Bronze	Copper Alloy	Brass	Brass	Phosphor Bronze	Copper Alloy
Insulation Material	PBT, Glass Filled	PBT, Glass Filled	PBT, Glass Filled	PBT, Polyester, Glass Filled	PCT, Polyester, Glass Filled	Liquid Crystal Polymer (LCP)	Thermoplastic
Insulation Color	Black	Black	Gray	Black	Black	Natural	Black
Features	Keying Slot	Keying Slot	Keying Slot	Keying Slot	Keying Slot	Keying Slot	Keying Slot
Operating Temperature	Not specified	Not specified	-55°C ~ 125°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C	Not specified
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

The following parts are qualified as direct substitutes based on matching all primary electrical and mechanical parameters:

Molex 0702471051 - Active product status with ROHS3 compliance. Identical pitch, position count, and mounting configuration. Contact material is Phosphor Bronze with equivalent gold mating finish. Insulation height and post length within acceptable tolerance. Push-Pull fastening matches the main part specification.

3M 30310-5002HB - Active product status with RoHS compliance. Meets all primary matching criteria with brass contact material and gold mating finish. Operating temperature range -55°C to 105°C. Current rating 1A per contact. Push-Pull fastening type.

3M D2510-5002-AR - Active product status with ROHS3 compliance. Meets all primary matching criteria with brass contact material. Operating temperature range -55°C to 105°C. Current rating 1.75A per contact. Push-Pull fastening type. Contact length specifications within acceptable range.

Samtec HTST-105-05-G-D-RA - Active product status with ROHS3 compliance. Meets all primary matching criteria with Phosphor Bronze contact material and gold mating finish. Operating temperature range -55°C to 125°C. Current rating 3.4A per contact. Push-Pull fastening type. Liquid Crystal Polymer insulation material provides enhanced performance characteristics.

Amphenol ICC 10056845-110LF - Active product status with RoHS compliance. Meets all primary matching criteria with Copper Alloy contact material and gold mating finish. Detent Lock fastening type provides alternative mechanical engagement. Insulation height matches main part specification.

Conditional Substitutes (Fastening Type Variation):

HARTING 09185106321, 09185106323, 09185107323 - Active product status with ROHS3 compliance. Meet all primary matching criteria with Copper Alloy contact material. Fastening type is Latch Holder rather than Push-Pull. Operating temperature range -55°C to 125°C. These parts are functionally equivalent for applications where Latch Holder engagement is acceptable.

Non-Substitute (Mounting Configuration Mismatch):

HARTING 09185107914 - This part features vertical (through-hole) mounting rather than right-angle mounting. Although it shares the same pitch, position count, and row spacing, the mounting orientation differs from the main part specification and is not suitable as a direct substitute for right-angle applications.

Frequently Asked Questions (FAQ)

Q: Can I use a HARTING 09185106321 as a direct replacement for the TE Connectivity 281279-2?

A: The HARTING 09185106321 meets all primary electrical and mechanical parameters including pitch, position count, shrouding, and contact specifications. However, the fastening type differs: HARTING uses Latch Holder while the main part uses Push-Pull. This difference affects the mating mechanism. Substitution is possible if the application accepts Latch Holder engagement. Verify connector compatibility with the mating receptacle before implementation.

Q: What is the difference between the 3M 30310-5002HB and 3M D2510-5002-AR?

A: Both parts are direct substitutes with identical pitch, position count, and mounting configuration. Key differences include: D2510-5002-AR has higher current rating (1.75A vs. 1A), uses PCT insulation material instead of PBT/Polyester blend, and has slightly different contact length specifications (0.243" mating vs. 0.236"). Both operate at -55°C to 105°C. Select based on current requirements and insulation material compatibility with your application.

Q: Why is the HARTING 09185107914 not listed as a substitute?

A: The HARTING 09185107914 features vertical through-hole mounting rather than right-angle mounting. While it shares the same pitch and position count, the mounting orientation is fundamentally different. This part is designed for board-to-cable applications where the connector extends perpendicular to the PCB, whereas the main part mounts at a right angle. These are not interchangeable in the same application.

Q: What are the packaging differences among substitute parts?

A: Substitute parts are supplied in different packaging formats: Bulk (Molex 0702471051, 3M 30310-5002HB), Tray (3M D2510-5002-AR, HARTING 09185106323, 09185107323), and Tube (Samtec HTST-105-05-G-D-RA, Amphenol ICC 10056845-110LF). Packaging does not affect electrical or mechanical compatibility. Select based on procurement quantity requirements and inventory management practices.

Q: Are all substitute parts RoHS compliant?

A: Yes. The main part TE Connectivity 281279-2 is RoHS Compliant. All listed substitute parts are either RoHS Compliant or ROHS3 Compliant, meeting current regulatory requirements. ROHS3 designation indicates compliance with the most recent RoHS directive revision.

Q: What is the significance of contact material differences (Brass vs. Phosphor Bronze vs. Copper Alloy)?

A: Contact material affects mechanical properties and performance characteristics. Brass (used in TE, 3M parts) provides good conductivity and corrosion resistance. Phosphor Bronze (Molex, Samtec) offers superior spring characteristics and durability. Copper Alloy (HARTING, Amphenol ICC) provides balanced performance. All materials are acceptable for standard applications. Select based on specific environmental conditions, mating cycle requirements, and contact force specifications.

Q: Can I mix substitute parts in the same application?

A: All listed substitute parts are mechanically and electrically compatible with the TE Connectivity 281279-2 within their specified parameters. However, mixing different manufacturers' parts in the same connector assembly is not recommended due to potential variations in contact engagement force, mating surface characteristics, and fastening mechanism behavior. Maintain consistency within a single application or assembly.

Q: What does MSL 1 (Unlimited) mean?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts carry MSL 1 rating, eliminating moisture-related reliability concerns during procurement, storage, and assembly.

Q: How do I verify compatibility with my existing mating receptacle?

A: Compatibility is determined by matching pitch (0.100"), position count (10), row spacing (0.100"), and contact type (male pin). Verify that your mating receptacle accepts 10-position, 2-row headers at 2.54mm pitch. Fastening type compatibility is critical: Push-Pull headers mate with Push-Pull receptacles, and Latch Holder headers mate with Latch Holder receptacles. Consult your receptacle documentation or contact the receptacle manufacturer for confirmation.

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