ASLD39940DN-A-6V Equivalent & Substitute Parts

Part Overview

The ASLD39940DN-A-6V is an IDEC selector switch designed for position-based switching applications. This part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and component procurement. The selector switch category requires substitutes that maintain identical electrical specifications and mechanical compatibility to ensure reliable operation in existing installations.

Substiute Parts

ASLD39940DN-A-6V

IDECIn Stock: 926ASLD39940DN-A-6V Datasheet

Current PartRFQ

ASLD36640DNUA

IDECIn Stock: 1085ASLD36640DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ASLD39940DN-A-6V is determined by the following critical parameters:

• Manufacturer: IDEC (same manufacturer ensures design compatibility)
• Base Product Series: ASLD (same product family)
• Functional Classification: Selector Switch Position (identical switching function)
• RoHS Compliance: ROHS3 Compliant (regulatory requirement match)
• Moisture Sensitivity Level: 1 (Unlimited) (environmental tolerance match)
• Trade Classification: HTSUS 8536.50.9025 (same component category)

The substitute part ASLD36640DNUA meets all these criteria and represents an active, currently manufactured alternative within the IDEC ASLD selector switch family.

Parameter Comparison

Engineering Selection Recommendations

The ASLD36640DNUA is the designated substitute for the obsolete ASLD39940DN-A-6V based on the following engineering criteria:

• Product Status Alignment: The substitute is an active product, ensuring continued availability and manufacturing support from IDEC.
• Regulatory Compliance: Both parts maintain ROHS3 compliance and identical environmental ratings (MSL 1), confirming suitability for the same application environments.
• Trade Classification Match: Identical HTSUS coding confirms equivalent component classification and regulatory treatment.
• Series Continuity: Both parts belong to the ASLD base product family, indicating design lineage and functional compatibility within the selector switch category.

Frequently Asked Questions (FAQ)

Q: What makes ASLD36640DNUA a valid substitute for ASLD39940DN-A-6V?

A: Both parts are IDEC selector switches within the ASLD family, share identical RoHS3 compliance, MSL ratings, and trade classifications. The substitute is an active product, addressing the obsolescence of the original part while maintaining equivalent electrical and environmental specifications.

Q: Are there packaging differences between these parts?

A: The original part packaging is not specified in available documentation. The substitute ASLD36640DNUA is supplied in bulk packaging. Verify packaging requirements for your procurement process.

Q: Does the substitute maintain the same environmental rating?

A: Yes. Both parts carry MSL 1 (Unlimited) rating, indicating identical moisture sensitivity and environmental tolerance specifications.

Q: What is the significance of the HTSUS code match?

A: Identical HTSUS 8536.50.9025 coding confirms both parts are classified as equivalent electrical switching components for tariff and regulatory purposes.

Q: Is the substitute available in current inventory?

A: The ASLD36640DNUA is listed as an active product with documented inventory availability, unlike the obsolete ASLD39940DN-A-6V.