D4SL-4QDA-D Equivalent & Substitute Parts

Part Overview

The D4SL-4QDA-D is a snap action switch manufactured by Omron Automation and Safety. This component has reached obsolete product status, necessitating identification of functionally equivalent alternatives for ongoing system maintenance and new design implementations. The part maintains unlimited moisture sensitivity level (MSL 1) classification and was subject to vendor-undefined REACH compliance status at end of life.

Substiute Parts

D4SL-4QDA-D

Omron Automation and SafetyIn Stock: 1105D4SL-4QDA-D Datasheet

Current PartRFQ

D4SL-N4QFA-D

Omron Automation and SafetyIn Stock: 999D4SL-N4QFA-D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The D4SL-N4QFA-D qualifies as a direct substitute based on the following criteria:

Manufacturer Continuity: Both parts are manufactured by Omron Automation and Safety, ensuring design lineage and technical support consistency.

Series Alignment: The substitute part belongs to the D4SL-N series, maintaining the D4SL base product family designation established for the original component.

Moisture Sensitivity Level: The substitute maintains MSL 1 (Unlimited) classification, matching the environmental protection requirements of the original part.

Active Product Status: The D4SL-N4QFA-D holds active product status, ensuring availability, technical documentation, and manufacturer support for procurement and integration.

Parameter Comparison

Engineering Selection Recommendations

Selection of the D4SL-N4QFA-D as a substitute for the obsolete D4SL-4QDA-D is supported by:

Compliance Status: The substitute part carries active EAR99 export classification and holds multiple approval certifications including CCC, CE, cURus, and TUV, providing regulatory compliance for current applications.

Manufacturer Support: Active product status ensures continued access to technical documentation, application notes, and manufacturer support resources necessary for system integration and troubleshooting.

Environmental Classification: Matching MSL 1 rating confirms equivalent protection against moisture ingress and environmental stress, maintaining reliability in specified operating conditions.

Frequently Asked Questions (FAQ)

Q: What makes D4SL-N4QFA-D a valid substitute for D4SL-4QDA-D?

A: Both parts share the D4SL base product family designation from Omron Automation and Safety, maintain identical MSL 1 moisture sensitivity classification, and are packaged in bulk format. The substitute part is currently in active production status, whereas the original is obsolete.

Q: Are there packaging differences between these parts?

A: Both the original and substitute parts are supplied in bulk packaging, eliminating packaging-related compatibility concerns for procurement and assembly processes.

Q: What is the product status difference, and why does it matter?

A: The D4SL-4QDA-D is obsolete, meaning Omron no longer manufactures or supports this component. The D4SL-N4QFA-D maintains active status, ensuring continued availability, technical support, and compliance documentation for new designs and system maintenance.

Q: Are there export or regulatory differences?

A: The substitute part carries EAR99 classification with CCC, CE, cURus, and TUV certifications. The original part's ECCN status was marked obsolete. The substitute's active certifications provide current regulatory compliance for international applications.

Q: Can I use D4SL-N4QFA-D as a direct replacement in existing systems?

A: Substitution feasibility depends on specific electrical and mechanical requirements of your application. Verify circuit configuration, voltage ratings, current ratings, and physical mounting compatibility against your system documentation before implementation.