ASLD39940DN-A-24V Equivalent & Substitute Parts

Part Overview

The ASLD39940DN-A-24V is an IDEC selector switch designed for 24V applications. This component is classified as obsolete, making it necessary to identify active equivalent parts for continued system support and procurement. The selector switch serves as a critical control interface in industrial automation and control systems where position selection is required.

Substiute Parts

ASLD39940DN-A-24V

IDECIn Stock: 769ASLD39940DN-A-24V Datasheet

Current PartRFQ

ASLD32240DNUA

IDECIn Stock: 1005ASLD32240DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ASLD39940DN-A-24V is determined by the following critical parameters:

• Manufacturer: IDEC (same manufacturer ensures design compatibility)
• Voltage Rating: 24V (electrical compatibility requirement)
• Product Category: Selector Switch (functional equivalence)
• RoHS Status: ROHS3 Compliant (regulatory compliance alignment)
• Moisture Sensitivity Level: 1 (Unlimited) (environmental tolerance matching)

The substitute part ASLD32240DNUA meets all these criteria while maintaining active product status, ensuring long-term availability and support.

Parameter Comparison

Engineering Selection Recommendations

The ASLD32240DNUA is the direct substitute for the obsolete ASLD39940DN-A-24V. Selection is based on:

• Active product status ensuring current manufacturing and long-term availability
• Identical electrical specifications (24V rating)
• Matching regulatory compliance (ROHS3 Compliant)
• Equivalent environmental tolerance (MSL 1 - Unlimited)
• Same export classification (EAR99) and tariff code (8536.50.9025)
• Same manufacturer (IDEC) ensuring design and mechanical compatibility

Frequently Asked Questions (FAQ)

Q: Can ASLD32240DNUA directly replace ASLD39940DN-A-24V? A: Yes. Both parts share identical voltage ratings, RoHS compliance, moisture sensitivity levels, and export classifications. The ASLD32240DNUA is the active equivalent manufactured by IDEC.

Q: Why is the original part obsolete? A: Product obsolescence is determined by the manufacturer. The ASLD32240DNUA provides functional and electrical equivalence for systems currently using the ASLD39940DN-A-24V.

Q: Are there packaging differences? A: The original part number does not specify packaging details. The substitute is available in Bulk packaging. Confirm packaging requirements with your procurement specifications.

Q: What compliance standards apply to both parts? A: Both parts are ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity rating, suitable for standard industrial environments.

Q: Are the export classifications identical? A: Yes. Both parts carry ECCN EAR99 classification and HTSUS code 8536.50.9025, ensuring consistent regulatory treatment.