Molex 1731090613 D-Sub Connector - Equivalent & Substitute Parts

Part Overview

The Molex 1731090613 is a 9-position D-Sub crimp receptacle connector with female sockets, designed for signal transmission applications. This part is classified as obsolete and no longer in active production. Due to its obsolete status, identifying compatible substitute components is essential for system maintenance, repair, and continued operation of legacy equipment. The substitute part maintains functional equivalence while offering active product status and current manufacturing support.

Substiute Parts

1731090613

MolexIn Stock: 10741731090613 Datasheet

Current PartRFQ

1731090303

MolexIn Stock: 10751731090303 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 1731090303 is functionally equivalent to the main part 1731090613 based on the following critical parameters that determine substitutability:

• Connector Type & Configuration: Both are 9-position D-Sub receptacles with female sockets
• Shell Size & Layout: Both use shell size 1 (DE, E) configuration
• Mounting Style: Both are free hanging (in-line) connectors
• Termination Method: Both use crimp termination
• Electrical Ratings: Both support 5A current rating and operate across -55°C to 130°C
• Mechanical Interface: Identical connector geometry ensures physical compatibility
• Base Product Series: Both belong to the 173109 series family

The primary distinction is product status: the substitute part 1731090303 is active and currently manufactured, whereas 1731090613 is obsolete. This substitution maintains full electrical and mechanical compatibility while providing access to current inventory and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1731090303 is the direct substitute for the obsolete 1731090613. Selection of the substitute part is justified on the following engineering grounds:

• Functional Equivalence: Identical electrical and mechanical specifications ensure drop-in compatibility in existing applications
• Active Product Status: The substitute part is currently manufactured and supported, eliminating supply chain risk associated with obsolete components
• Regulatory Compliance: The substitute part carries ROHS3 compliance and REACH affected status, meeting current environmental and regulatory requirements
• Inventory Availability: The substitute part maintains active stock levels, ensuring reliable procurement for new builds and field replacements
• Certification Consistency: Both parts share identical moisture sensitivity ratings and thermal operating ranges, confirming compatibility across environmental conditions

Frequently Asked Questions (FAQ)

Q: Can the Molex 1731090303 be used as a direct replacement for the 1731090613?

A: Yes. Both parts are 9-position D-Sub receptacles with identical shell size, mounting configuration, termination method, and electrical ratings. The 1731090303 is the active equivalent of the obsolete 1731090613 and provides full functional compatibility.

Q: What is the primary reason for substitution?

A: The 1731090613 is obsolete and no longer manufactured. The 1731090303 maintains identical specifications while offering current production status and active inventory support.

Q: Are there packaging differences between these parts?

A: The main part packaging is not specified. The substitute part 1731090303 is supplied in bulk packaging. Verify packaging requirements for your application.

Q: Do both parts meet the same environmental standards?

A: Both parts share identical moisture sensitivity levels (MSL 1 - Unlimited) and operating temperature ranges (-55°C to 130°C). The substitute part additionally carries ROHS3 compliance and REACH affected status, meeting current regulatory requirements.

Q: What is the current rating for these connectors?

A: Both the main part and substitute support a 5A current rating, suitable for standard signal transmission applications in D-Sub connector systems.

Q: Are there any compatibility concerns with existing mating connectors?

A: No. The identical shell size (1/DE, E), position count (9), and connector geometry ensure compatibility with all existing D-Sub plug connectors designed for this configuration.