ASLD39940DN-A-120V Equivalent & Substitute Parts

Part Overview

The ASLD39940DN-A-120V is an IDEC selector switch classified as a position selector switch. This component is currently listed as obsolete, which necessitates identification of active equivalent alternatives to maintain system functionality and ensure continued availability for maintenance and new installations.

Substiute Parts

ASLD39940DN-A-120V

IDECIn Stock: 872ASLD39940DN-A-120V Datasheet

Current PartRFQ

ASLD3QH240DNUA

IDECIn Stock: 987ASLD3QH240DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ASLD3QH240DNUA qualifies as a direct substitute based on the following alignment criteria:

Manufacturer Consistency: Both parts are manufactured by IDEC, ensuring design philosophy and quality standards alignment.

Regulatory Compliance: Both parts maintain ROHS3 compliance and identical MSL rating (1 - Unlimited), confirming equivalent environmental and handling requirements.

Tariff Classification: Both parts share the same HTSUS code (8536.50.9025) and ECCN classification (EAR99), indicating functional equivalence within trade and export frameworks.

Product Category: Both are selector switches within the IDEC switching component portfolio, with the substitute representing an active product status alternative to the obsolete original.

Parameter Comparison

Engineering Selection Recommendations

The ASLD3QH240DNUA is the designated substitute for the obsolete ASLD39940DN-A-120V based on manufacturer continuity and regulatory alignment. Both components maintain identical compliance certifications (ROHS3, MSL-1) and trade classifications, confirming functional and environmental equivalence within IDEC's selector switch product line.

The substitute part carries active product status, ensuring ongoing availability and manufacturer support. The 120 VAC illumination voltage specification in the original part number is matched by the substitute's nominal 120 VAC illumination voltage rating, confirming electrical compatibility for control circuit integration.

Frequently Asked Questions (FAQ)

Q: Why is the ASLD39940DN-A-120V listed as obsolete? A: The ASLD39940DN-A-120V has reached end-of-life status within IDEC's product portfolio. The ASLD3QH240DNUA represents the active equivalent within the current product line.

Q: Are the RoHS and MSL ratings identical between the original and substitute? A: Yes. Both parts are ROHS3 compliant with MSL rating of 1 (Unlimited), confirming equivalent environmental and handling requirements.

Q: Does the substitute maintain the 120 VAC illumination voltage? A: Yes. The ASLD3QH240DNUA specifies 120 VAC nominal illumination voltage, matching the voltage designation in the original part number.

Q: What is the circuit configuration of the substitute? A: The ASLD3QH240DNUA is configured as 4PST-NO (4 Pole Single Throw - Normally Open) with 3 switch positions and On-On-On function.

Q: Are both parts suitable for panel mount applications? A: The substitute is specified for panel mount installation with spring terminal termination. Original part specifications for mounting type are not provided in available documentation.

Q: Do both parts share the same tariff classification? A: Yes. Both parts are classified under HTSUS code 8536.50.9025 and ECCN EAR99, confirming trade and export equivalence.