MA18A-44DA-2DSC(71) Equivalent & Substitute Parts

Part Overview

The MA18A-44DA-2DSC(71) is a 44-position rectangular connector manufactured by Hirose Electric Co Ltd, classified as a position connector within the rectangular connectors category. This part is currently obsolete, making identification of suitable substitute components essential for ongoing system maintenance, repair, and new design implementations where legacy connector compatibility is required.

Substiute Parts

MA18A-44DA-2DSC(71)

Hirose Electric Co LtdIn Stock: 942MA18A-44DA-2DSC(71) Datasheet

Current PartRFQ

A3D-44DA-2DSE(71)

Hirose Electric Co LtdIn Stock: 1154A3D-44DA-2DSE(71) Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The MA18A-44DA-2DSC(71) has been superseded by the A3D-44DA-2DSE(71), which is the manufacturer-recommended substitute. This substitution is valid based on the following critical parameters:

• Number of Positions: Both parts maintain 44 positions, ensuring pin-count compatibility
• Pitch - Mating: Both parts operate at 0.079" (2.00mm) pitch, maintaining mechanical and electrical spacing requirements
• Manufacturer: Both parts are manufactured by Hirose Electric Co Ltd, ensuring design continuity and quality standards
• RoHS Compliance: Both parts are RoHS Compliant, meeting environmental and regulatory requirements
• Moisture Sensitivity Level: Both parts are rated MSL 1 (Unlimited), indicating identical moisture handling requirements

The A3D-44DA-2DSE(71) represents an active product line upgrade from the obsolete MA18A series, providing continued availability and support for 44-position connector applications.

Parameter Comparison

Engineering Selection Recommendations

The A3D-44DA-2DSE(71) is the direct manufacturer-recommended substitute for the obsolete MA18A-44DA-2DSC(71). Selection of the A3D-44DA-2DSE(71) is supported by:

• Active Product Status: The substitute maintains active production and availability, eliminating supply chain risk associated with obsolete components
• Regulatory Compliance: Both parts maintain RoHS Compliance certification, ensuring continued compliance with environmental regulations
• Moisture Sensitivity Equivalence: Identical MSL 1 rating confirms equivalent moisture handling and storage requirements
• Manufacturer Continuity: Both parts originate from Hirose Electric Co Ltd, ensuring design validation and quality assurance through the manufacturer's upgrade path

Frequently Asked Questions (FAQ)

Q: Can the A3D-44DA-2DSE(71) be used as a direct replacement for the MA18A-44DA-2DSC(71)?

A: Yes. The A3D-44DA-2DSE(71) is the manufacturer-recommended substitute. Both parts share identical 44-position configuration, 0.079" (2.00mm) mating pitch, RoHS compliance, and MSL 1 rating. The substitute is an active product with current availability.

Q: What is the primary reason for substitution?

A: The MA18A-44DA-2DSC(71) is obsolete. The A3D-44DA-2DSE(71) represents the active product line continuation from Hirose Electric Co Ltd for 44-position rectangular connector applications.

Q: Are there packaging differences between these parts?

A: The A3D-44DA-2DSE(71) is supplied in Tube packaging. Packaging specifications for the MA18A-44DA-2DSC(71) were not provided in the original documentation.

Q: Do both parts meet the same environmental standards?

A: Yes. Both parts are RoHS Compliant and rated MSL 1 (Unlimited), indicating identical environmental and moisture sensitivity classifications.

Q: What is the inventory status of the substitute part?

A: The A3D-44DA-2DSE(71) has 1109 pieces in new original stock, providing immediate availability for procurement.