ST40X-24S-CV(31) Equivalent & Substitute Parts

Part Overview

The ST40X-24S-CV(31) is a 24-position rectangular plug connector manufactured by Hirose Electric Co Ltd, designed for solder termination with gold-plated contacts. This connector is classified as Last Time Buy, indicating discontinued production. The identification of equivalent substitute parts is necessary to ensure design continuity and procurement availability for applications currently utilizing this connector.

Substiute Parts

ST40X-24S-CV(31)

Hirose Electric Co LtdIn Stock: 904ST40X-24S-CV(31) Datasheet

Current PartRFQ

ST40X-24S-CV(30)

Hirose Electric Co LtdIn Stock: 2877ST40X-24S-CV(30) Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ST40X-24S-CV(31) is determined by the following critical parameters:

• Connector Type: Plug configuration
• Number of Positions: 24-position contact arrangement
• Pitch: 0.020" (0.50mm) contact spacing
• Number of Rows: Single-row configuration
• Cable Termination: Solder termination method
• Contact Finish: Gold plating with 8.00µin thickness
• Features: Shielded design
• Base Product Number: ST40X series

The ST40X-24S-CV(30) meets all substitution criteria. Both connectors share identical electrical and mechanical specifications within the ST40X series, with the primary distinction being packaging format and fastening mechanism.

Parameter Comparison

Engineering Selection Recommendations

The ST40X-24S-CV(30) is the direct functional equivalent for the ST40X-24S-CV(31). Both connectors maintain identical electrical and mechanical specifications across all critical parameters including contact count, pitch, termination method, and contact finish specifications.

The ST40X-24S-CV(30) carries Active product status, ensuring continued manufacturing support and availability. This part is ROHS3 compliant and carries the same regulatory certifications as the original part. The ST40X-24S-CV(30) is recommended for new designs and as the primary substitute for discontinued ST40X-24S-CV(31) applications.

Frequently Asked Questions (FAQ)

Q: Are ST40X-24S-CV(31) and ST40X-24S-CV(30) electrically interchangeable?

A: Yes. Both connectors feature identical contact configurations, pitch spacing (0.020"), gold contact finish (8.00µin thickness), and solder termination specifications. Electrical performance is equivalent.

Q: What is the difference between these two part numbers?

A: The primary differences are packaging format and fastening mechanism. The ST40X-24S-CV(31) is supplied in bulk packaging, while the ST40X-24S-CV(30) is supplied in tray packaging. The ST40X-24S-CV(30) includes a lever lock fastening type. Both are mechanically compatible with identical mating interfaces.

Q: Why is ST40X-24S-CV(31) marked as Last Time Buy?

A: Last Time Buy status indicates the manufacturer has discontinued this specific part number variant. The ST40X-24S-CV(30) remains in active production as the current equivalent offering.

Q: Can I use ST40X-24S-CV(30) in existing designs specified for ST40X-24S-CV(31)?

A: Yes. The connectors are functionally equivalent with identical electrical and mechanical specifications. The packaging and fastening differences do not affect circuit performance or mating compatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both ST40X-24S-CV(31) and ST40X-24S-CV(30) are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).