ASLD339940DN-A-12V Equivalent & Substitute Parts

Part Overview

The ASLD339940DN-A-12V is an IDEC selector switch designed for 12V applications with position-selectable functionality. This component is classified as obsolete, making identification of equivalent alternatives essential for ongoing system maintenance and component procurement. The selector switch serves as a critical interface component in control systems requiring manual position selection at 12V operating voltage.

Substiute Parts

ASLD339940DN-A-12V

IDECIn Stock: 872ASLD339940DN-A-12V Datasheet

Current PartRFQ

ASLD331140DNUA

IDECIn Stock: 949ASLD331140DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ASLD339940DN-A-12V is determined by the following critical parameters:

• Manufacturer: IDEC (same manufacturer ensures design compatibility)
• Base Product Series: ASLD (maintains mechanical and electrical interface consistency)
• Operating Voltage: 12V (electrical compatibility requirement)
• Switch Type: Selector switch with position selection capability
• RoHS Compliance: ROHS3 Compliant (regulatory requirement match)
• Moisture Sensitivity Level: MSL 1 (environmental tolerance equivalence)

The substitute part ASLD331140DNUA meets all these criteria while maintaining active product status, ensuring long-term availability and support.

Parameter Comparison

Engineering Selection Recommendations

The ASLD331140DNUA is the direct equivalent for the obsolete ASLD339940DN-A-12V. Selection is based on:

• Regulatory Compliance: Both parts maintain ROHS3 compliance and identical ECCN/HTSUS classifications, ensuring no regulatory barriers to substitution.
• Product Status: The substitute part maintains active status with current manufacturer support, eliminating obsolescence risk.
• Environmental Rating: Identical MSL 1 rating confirms equivalent moisture and environmental tolerance.
• Electrical Specifications: Both components operate at 12V with selector switch functionality, maintaining system voltage compatibility.

Frequently Asked Questions (FAQ)

Q: Can ASLD331140DNUA directly replace ASLD339940DN-A-12V in existing applications?

A: Yes. Both components share identical operating voltage (12V), RoHS compliance status, environmental ratings (MSL 1), and regulatory classifications (ECCN/HTSUS). The substitute maintains the same ASLD base series and selector switch functionality.

Q: What is the primary advantage of switching to ASLD331140DNUA?

A: The substitute part maintains active product status, ensuring ongoing availability and manufacturer support. The original part is classified as obsolete, creating long-term procurement risk.

Q: Are there packaging differences between these parts?

A: The original part uses standard packaging, while the substitute is supplied in bulk packaging. Packaging format does not affect electrical or mechanical compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 compliant with identical ECCN (EAR99) and HTSUS (8536.50.9025) classifications.

Q: Is there a difference in moisture sensitivity between these components?

A: No. Both parts carry MSL 1 rating, indicating unlimited moisture sensitivity tolerance and equivalent environmental performance.