MA35-18P-2DS(71) Equivalent & Substitute Parts

Part Overview

The MA35-18P-2DS(71) is a rectangular connector header manufactured by Hirose Electric Co Ltd, designed for through-hole, right-angle board-to-board or cable applications. This connector features 18 positions arranged in 2 rows with 2.00mm pitch spacing and is rated for 2A at 200VAC operation across -55°C to 85°C temperature range.

The MA35-18P-2DS(71) carries an obsolete product status. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for legacy systems or ongoing production requirements.

Key Parameters

Parameter	Value
Connector Type	Header
Contact Type	Male Pin
Number of Positions	18
Number of Rows	2
Pitch - Mating	0.079" (2.00mm)
Row Spacing - Mating	0.079" (2.00mm)
Mounting Type	Through Hole, Right Angle
Termination	Kinked Pin, Solder
Current Rating	2A
Voltage Rating	200VAC
Operating Temperature	-55°C ~ 85°C
Contact Material	Brass
Contact Finish - Mating	Tin
Insulation Material	Polyamide (PA), Nylon
Material Flammability Rating	UL94 V-0

Substitute Part Grouping Explanation

Substitution eligibility for the MA35-18P-2DS(71) is determined by strict equivalence across the following critical parameters:

Connector type, contact type, and gender (Header, Male Pin)
Position count and row configuration (18 positions, 2 rows)
Pitch spacing (2.00mm mating pitch, 2.00mm row spacing)
Mounting orientation and method (Through Hole, Right Angle)
Termination style (Kinked Pin, Solder)
Electrical ratings (2A current, 200VAC voltage)
Operating temperature range (-55°C ~ 85°C)
Contact material and finish specifications (Brass with Tin plating)
Insulation material and flammability compliance (Polyamide/Nylon, UL94 V-0)

The MA35-18P-2DS(51) meets all these criteria and qualifies as a direct substitute within the MA35 series.

Parameter Comparison

Parameter	MA35-18P-2DS(71)	MA35-18P-2DS(51)	Match
Manufacturer	Hirose Electric Co Ltd	Hirose Electric Co Ltd	✓
Series	MA35	MA35	✓
Connector Type	Header	Header	✓
Contact Type	Male Pin	Male Pin	✓
Number of Positions	18	18	✓
Number of Rows	2	2	✓
Pitch - Mating	0.079" (2.00mm)	0.079" (2.00mm)	✓
Row Spacing - Mating	0.079" (2.00mm)	0.079" (2.00mm)	✓
Mounting Type	Through Hole, Right Angle	Through Hole, Right Angle	✓
Termination	Kinked Pin, Solder	Kinked Pin, Solder	✓
Current Rating (Amps)	2A	2A	✓
Voltage Rating	200VAC	200VAC	✓
Operating Temperature	-55°C ~ 85°C	-55°C ~ 85°C	✓
Contact Material	Brass	Brass	✓
Contact Finish - Mating	Tin	Tin	✓
Contact Finish Thickness - Mating	118.1µin (3.00µm)	118.1µin (3.00µm)	✓
Contact Finish - Post	Tin	Tin	✓
Contact Finish Thickness - Post	118.1µin (3.00µm)	118.1µin (3.00µm)	✓
Insulation Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	✓
Material Flammability Rating	UL94 V-0	UL94 V-0	✓
Insulation Color	Black	Black	✓
Product Status	Obsolete	Active	Substitute Available
RoHS Status	Not specified	RoHS Compliant	Improved

Engineering Selection Recommendations

The MA35-18P-2DS(51) is the qualified substitute for the obsolete MA35-18P-2DS(71). Both parts are electrically and mechanically identical across all specified parameters. The MA35-18P-2DS(51) carries active product status, ensuring ongoing availability and supply chain support.

The MA35-18P-2DS(51) is RoHS Compliant, providing enhanced environmental compliance compared to the original part specification. This substitution maintains full functional equivalence while offering improved regulatory alignment for new designs or production transitions.

Frequently Asked Questions (FAQ)

Q: Are the MA35-18P-2DS(71) and MA35-18P-2DS(51) electrically interchangeable?

A: Yes. Both parts share identical electrical specifications: 2A current rating, 200VAC voltage rating, operating temperature range of -55°C to 85°C, and contact material/finish properties. They are direct electrical equivalents.

Q: Are the MA35-18P-2DS(71) and MA35-18P-2DS(51) mechanically interchangeable?

A: Yes. Both connectors feature identical mechanical specifications: 18 positions in 2 rows, 2.00mm pitch spacing, through-hole right-angle mounting, kinked pin solder termination, and identical contact dimensions. They are direct mechanical equivalents.

Q: What is the difference between the MA35-18P-2DS(71) and MA35-18P-2DS(51)?

A: The primary difference is product status. The MA35-18P-2DS(71) is obsolete, while the MA35-18P-2DS(51) is active. Additionally, the MA35-18P-2DS(51) is RoHS Compliant. All electrical and mechanical parameters are identical.

Q: Can I use MA35-18P-2DS(51) in place of MA35-18P-2DS(71) in existing designs?

A: Yes. The MA35-18P-2DS(51) is a direct substitute with no design modifications required. It maintains full compatibility with existing PCB layouts, mating connectors, and electrical specifications.

Q: What does the packaging difference mean?

A: The MA35-18P-2DS(71) is listed with unspecified packaging, while the MA35-18P-2DS(51) is supplied in bulk packaging. This affects order quantities and handling but does not impact component functionality or performance.

Q: Is RoHS compliance a requirement for substitution?

A: RoHS compliance is not a substitution requirement; it is an additional benefit of the MA35-18P-2DS(51). Both parts meet the same electrical and mechanical criteria. RoHS compliance may be relevant for specific regulatory or customer requirements.

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