D4SL-3QDG-D Equivalent & Substitute Parts

Part Overview

The D4SL-3QDG-D is a snap action switch manufactured by Omron Automation and Safety. This component is classified as obsolete and is no longer in active production. With 760 units currently in stock as new original inventory, finding qualified substitute components is essential for ongoing system maintenance, repair, and new design implementations where this legacy switch is specified.

Substiute Parts

D4SL-3QDG-D

Omron Automation and SafetyIn Stock: 824D4SL-3QDG-D Datasheet

Current PartRFQ

D4SL-N3QFG-D

Omron Automation and SafetyIn Stock: 879D4SL-N3QFG-D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The D4SL-N3QFG-D qualifies as a direct substitute based on the following criteria:

Manufacturer Continuity: Both components are manufactured by Omron Automation and Safety, ensuring design lineage and compatibility with existing Omron system architectures.

Series Relationship: The D4SL-N3QFG-D belongs to the D4SL series, maintaining the base product family designation (D4SL) established by the original component.

Environmental Classification: Both parts share Moisture Sensitivity Level 1 (Unlimited), indicating equivalent environmental tolerance and storage requirements.

Regulatory Compliance: The substitute part carries active certifications (CCC, CE, cURus, TUV) and is classified under ECCN EAR99, providing current regulatory standing for new applications.

Parameter Comparison

Engineering Selection Recommendations

The D4SL-N3QFG-D is the designated substitute for the obsolete D4SL-3QDG-D. Selection of this substitute is supported by:

Product Status Alignment: The substitute maintains active production status with current regulatory certifications, ensuring long-term availability and supply chain continuity.

Compliance Framework: The D4SL-N3QFG-D carries multiple international approvals (CCC, CE, cURus, TUV) and is classified under ECCN EAR99, meeting current export and regulatory requirements.

Environmental Equivalence: Both components share identical Moisture Sensitivity Level classification, confirming equivalent handling, storage, and operational environmental tolerance.

Manufacturer Support: Omron Automation and Safety continues to support the D4SL series, providing technical documentation, spare parts availability, and engineering resources for system integration.

Frequently Asked Questions (FAQ)

Q: Why is the D4SL-3QDG-D classified as obsolete? A: The D4SL-3QDG-D has reached end-of-life status in Omron's product portfolio. The D4SL-N3QFG-D represents the current active equivalent within the D4SL product family.

Q: What are the key compatibility factors between the original and substitute part? A: Compatibility is established through manufacturer continuity (Omron), series relationship (D4SL family), identical environmental classification (MSL 1), and equivalent electrical specifications provided in the substitute part documentation.

Q: Does the substitute part require different packaging or handling procedures? A: The D4SL-N3QFG-D is supplied in bulk packaging. Verify packaging requirements for your specific procurement and assembly processes. Both components share MSL 1 classification, requiring identical moisture control protocols.

Q: Are there any circuit or electrical differences between the parts? A: The D4SL-N3QFG-D provides detailed electrical specifications including 3PST-2NC/1NO + 3PST-NC circuit configuration, 1.5A AC / 220mA DC current ratings, and 120VAC / 125VDC voltage ratings. Confirm these specifications align with your application requirements before implementation.

Q: What certifications apply to the substitute part? A: The D4SL-N3QFG-D carries CCC, CE, cURus, and TUV approvals, meeting current international regulatory standards. The ECCN classification is EAR99.

Q: Is the substitute part suitable for new designs? A: Yes. The D4SL-N3QFG-D is an active product with current certifications and manufacturer support, making it appropriate for both replacement applications and new system designs.