ASLD39904DN-A-12V Equivalent & Substitute Parts

Part Overview

The ASLD39904DN-A-12V is an IDEC selector switch designed for 12V applications. This part is classified as obsolete, making it necessary to identify active equivalent models for continued system support and procurement. The selector switch serves as a critical control component in industrial automation and switching applications where position selection is required.

Substiute Parts

ASLD39904DN-A-12V

IDECIn Stock: 983ASLD39904DN-A-12V Datasheet

Current PartRFQ

ASLD31104DNUA

IDECIn Stock: 762ASLD31104DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ASLD31104DNUA qualifies as a direct substitute based on the following alignment of critical parameters:

• Manufacturer: IDEC (same manufacturer ensures design compatibility)
• Base Product Series: ASLD (common platform architecture)
• Functional Category: Selector Switch Position (identical functional classification)
• Voltage Rating: 12V (electrical compatibility maintained)
• RoHS Status: ROHS3 Compliant (regulatory compliance alignment)
• Moisture Sensitivity Level: 1 (Unlimited) (environmental rating match)
• ECCN Classification: EAR99 (export control consistency)
• HTSUS Code: 8536.50.9025 (tariff classification alignment)

The substitute part maintains active product status, ensuring ongoing manufacturer support and availability.

Parameter Comparison

Engineering Selection Recommendations

The ASLD31104DNUA is the direct equivalent for the obsolete ASLD39904DN-A-12V. Selection of the active substitute is based on:

• Product Status: The substitute maintains active status with ongoing manufacturer support, whereas the original part is obsolete
• Regulatory Compliance: Both parts maintain ROHS3 compliance and identical environmental ratings
• Electrical Specifications: 12V voltage rating is preserved across both parts
• Manufacturing Consistency: Both parts originate from IDEC and share the ASLD base platform, ensuring design and functional compatibility
• Export Classification: Both parts carry identical ECCN and HTSUS classifications, maintaining regulatory consistency

Frequently Asked Questions (FAQ)

Q: What makes ASLD31104DNUA a valid substitute for ASLD39904DN-A-12V?

A: Both parts are manufactured by IDEC, share the same ASLD platform architecture, maintain identical 12V voltage ratings, and carry matching RoHS3 compliance and environmental ratings. The substitute part is active and supported by the manufacturer.

Q: Are there packaging differences between these parts?

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

Q: Does the substitute part maintain the same regulatory certifications?

A: Yes. Both parts are ROHS3 compliant, carry identical ECCN (EAR99) and HTSUS (8536.50.9025) classifications, and maintain MSL 1 (Unlimited) ratings.

Q: Why is finding a substitute necessary?

A: The ASLD39904DN-A-12V is classified as obsolete. The ASLD31104DNUA provides continuity of supply with active manufacturer support and equivalent electrical and mechanical specifications.

Q: Are there inventory considerations for this substitution?

A: Both parts are available in stock. The original part has 964 units available, while the substitute has 736 units available. Procurement decisions should account for project timelines and volume requirements.