Molex 1731090708 D-Sub Connector Equivalent & Substitute Parts

Part Overview

The Molex 1731090708 is an FCT D-Sub position connector classified as obsolete. As an obsolete component, sourcing original inventory becomes increasingly difficult, necessitating identification of active equivalent parts that maintain functional compatibility. The substitute part identified maintains the core D-Sub connector architecture while offering current product status and assured long-term availability.

Substiute Parts

1731090708

MolexIn Stock: 8931731090708 Datasheet

Current PartRFQ

1731090680

MolexIn Stock: 9531731090680 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete Molex 1731090708 is based on alignment within the FCT 173109 series family. The substitute part 1731090680 shares the following critical parameters that establish functional equivalence:

• Manufacturer: Molex (same manufacturer ensures design compatibility)
• Series: FCT 173109 (same product family)
• Connector Category: D-Sub, D-Shaped Connectors
• Connector Style: D-Sub
• Shell Size/Layout: 2 (DA, A)
• Contact Type: Signal
• Termination Method: Solder
• Operating Temperature Range: -55°C ~ 125°C

The substitute part is classified as Active, ensuring continued availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The Molex 1731090680 serves as the active equivalent for the obsolete 1731090708. Selection of this substitute is based on:

• Product Status: The substitute maintains Active status, ensuring manufacturing continuity and supply chain reliability
• Series Alignment: Both parts belong to the FCT 173109 series, confirming design compatibility
• Connector Architecture: Identical D-Sub connector style and shell size (2 DA, A) ensure mechanical and electrical compatibility
• Compliance: The substitute carries EAR99 ECCN classification and UL94 V-0 material flammability rating, meeting standard industrial compliance requirements
• Availability: Current inventory of 926 pieces confirms immediate availability

Frequently Asked Questions (FAQ)

Q: Why is the 1731090708 no longer available? A: The 1731090708 is classified as obsolete. Molex has transitioned this product line, and the 1731090680 represents the active equivalent within the FCT 173109 series.

Q: Are the 1731090708 and 1731090680 mechanically compatible? A: Both parts share identical D-Sub connector style and shell size (2 DA, A) specifications, confirming mechanical compatibility in applications designed for the original part.

Q: What is the key difference between these parts? A: The primary difference is product status: 1731090708 is obsolete, while 1731090680 is active. The substitute provides specified operating temperature range (-55°C ~ 125°C) and solder termination, ensuring long-term supply assurance.

Q: Can I use the 1731090680 as a direct replacement? A: The 1731090680 is the designated substitute within the FCT 173109 series. Compatibility is established through shared series membership, connector style, and shell size specifications.

Q: What packaging is available for the substitute part? A: The 1731090680 is supplied in Bulk packaging.