A3D-8DA-2DSE Equivalent & Substitute Parts

Part Overview

The A3D-8DA-2DSE is an 8-position receptacle connector manufactured by Hirose Electric Co Ltd, designed for board-to-board or cable applications with 0.079" (2.00mm) pitch spacing. This connector features gold-plated mating contacts, through-hole solder termination, and push-pull fastening. The part is currently classified as obsolete, making identification of equivalent substitute parts essential for ongoing system support and component procurement.

Key Parameters

Parameter	Value
Connector Type	Receptacle
Contact Type	Female Socket
Number of Positions	8
Pitch - Mating	0.079" (2.00mm)
Number of Rows	2
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Through Hole
Termination	Solder
Fastening Type	Push-Pull
Contact Finish - Mating	Gold
Current Rating	1A
Voltage Rating	200VAC
Operating Temperature	-55°C ~ 85°C
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility for the A3D-8DA-2DSE is determined by strict equivalence across the following critical parameters:

Connector type (Receptacle)
Contact type (Female Socket)
Number of positions (8)
Pitch spacing (0.079" / 2.00mm)
Row configuration (2 rows with 0.079" spacing)
Mounting method (Through Hole)
Termination type (Solder)
Fastening mechanism (Push-Pull)
Contact finish (Gold on mating surface)
Electrical ratings (1A current, 200VAC voltage)
Operating temperature range (-55°C ~ 85°C)
Flammability compliance (UL94 V-0)

The A3D-8DA-2DSE(71) variant meets all these criteria and is identified as a direct substitute.

Parameter Comparison

Parameter	A3D-8DA-2DSE	A3D-8DA-2DSE(71)
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd
Series	A3	A3
Connector Type	Receptacle	Receptacle
Contact Type	Female Socket	Female Socket
Number of Positions	8	8
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)
Number of Rows	2	2
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)
Mounting Type	Through Hole	Through Hole
Termination	Solder	Solder
Fastening Type	Push-Pull	Push-Pull
Contact Finish - Mating	Gold	Gold
Contact Finish Thickness - Mating	8.00µin (0.203µm)	8.00µin (0.203µm)
Insulation Color	Black	Black
Insulation Height	0.165" (4.20mm)	0.165" (4.20mm)
Contact Length - Post	0.050" (1.27mm)	0.050" (1.27mm)
Operating Temperature	-55°C ~ 85°C	-55°C ~ 85°C
Material Flammability Rating	UL94 V-0	UL94 V-0
Contact Finish - Post	Tin	Tin
Mated Stacking Heights	5.1mm, 6mm	5.1mm, 6mm
Current Rating (Amps)	1A	1A
Voltage Rating	200VAC	200VAC
Insulation Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Contact Shape	Square	Square
Contact Material	Phosphor Bronze	Phosphor Bronze
Contact Finish Thickness - Post	39.4µin (1.00µm)	39.4µin (1.00µm)
Base Product Number	A3D-8DA	A3D-8DA
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8536.69.4040	8536.69.4040
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging	-	Tray

Engineering Selection Recommendations

The A3D-8DA-2DSE(71) is the direct substitute for the obsolete A3D-8DA-2DSE. Both parts share identical electrical, mechanical, and thermal specifications. The primary distinction is product status and regulatory compliance:

The original A3D-8DA-2DSE is classified as obsolete and does not meet RoHS3 compliance requirements. The A3D-8DA-2DSE(71) is an active product that achieves ROHS3 compliance while maintaining full electrical and mechanical compatibility. The substitute part is packaged in trays and has confirmed inventory availability of 1900 units.

For new designs or component replenishment, the A3D-8DA-2DSE(71) is the appropriate selection. For legacy system maintenance requiring the exact original part number, the A3D-8DA-2DSE remains available with 1131 units in stock, though procurement of the active substitute is recommended for long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can A3D-8DA-2DSE(71) be used as a direct replacement for A3D-8DA-2DSE?

A: Yes. Both parts are identical in connector type, contact configuration, pitch spacing, mounting method, electrical ratings, and operating temperature range. The substitute meets all functional and mechanical requirements for direct substitution.

Q: What is the difference between A3D-8DA-2DSE and A3D-8DA-2DSE(71)?

A: The parts are electrically and mechanically equivalent. The primary differences are product status (obsolete vs. active), RoHS compliance (non-compliant vs. ROHS3 compliant), and packaging format (unspecified vs. tray). The A3D-8DA-2DSE(71) is the current production variant.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist. Both parts feature identical mating pitch (0.079"), row spacing (0.079"), contact finish (gold), termination method (solder), and fastening type (push-pull). PCB footprints and mating connector designs are fully compatible.

Q: What is the packaging difference?

A: The A3D-8DA-2DSE packaging is not specified in the product data. The A3D-8DA-2DSE(71) is supplied in tray packaging, which is standard for active production parts.

Q: Which part should be selected for new designs?

A: The A3D-8DA-2DSE(71) should be selected for new designs. It is an active product with ROHS3 compliance and confirmed supply chain availability.

Q: Is the A3D-8DA-2DSE still available for procurement?

A: Yes, 1131 units are currently in stock. However, as an obsolete part, future availability cannot be guaranteed. The A3D-8DA-2DSE(71) is recommended for long-term supply security.

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