D4SL-4QDG-D4 Equivalent & Substitute Parts

Part Overview

The D4SL-4QDG-D4 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 carries vendor-undefined REACH status.

Substiute Parts

D4SL-4QDG-D4

Omron Automation and SafetyIn Stock: 1231D4SL-4QDG-D4 Datasheet

Current PartRFQ

D4SL-N4QFG-D4

Omron Automation and SafetyIn Stock: 799D4SL-N4QFG-D4 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The D4SL-N4QFG-D4 serves as the direct manufacturer-designated substitute for the obsolete D4SL-4QDG-D4. Substitution validity is established through the following criteria:

• Manufacturer continuity: Both parts manufactured by Omron Automation and Safety
• Series alignment: D4SL-N series represents the active product line continuation
• Moisture sensitivity equivalence: Both maintain MSL 1 (Unlimited) classification
• Regulatory compliance: Substitute part carries active RoHS Compliant status with established approval certifications (CCC, CE, cURus, TUV)

The D4SL-N4QFG-D4 represents an interlock solenoid locking switch with enhanced specifications compared to the original snap action design, providing expanded functional capability within the same product family.

Parameter Comparison

Engineering Selection Recommendations

Selection of the D4SL-N4QFG-D4 as a substitute for the D4SL-4QDG-D4 is supported by the following engineering factors:

• Active product status ensures continued manufacturer support, spare parts availability, and technical documentation access
• RoHS Compliant certification on the substitute part aligns with current environmental and regulatory requirements
• Established approval certifications (CCC, CE, cURus, TUV) provide compliance validation across multiple regulatory jurisdictions
• Equivalent moisture sensitivity classification maintains environmental performance characteristics
• Omron manufacturer continuity ensures design compatibility within the D4SL product family

The transition from obsolete to active product status eliminates supply chain risk and ensures long-term component availability for system maintenance and future production runs.

Frequently Asked Questions (FAQ)

Q: Why is the D4SL-4QDG-D4 no longer available? A: The D4SL-4QDG-D4 has reached obsolete product status. Omron Automation and Safety has designated the D4SL-N4QFG-D4 as the direct substitute within the active D4SL-N product series.

Q: What are the key compatibility factors between these parts? A: Both parts share identical moisture sensitivity level (MSL 1) classification and are manufactured by Omron Automation and Safety. The substitute maintains the same packaging format (Bulk) and product family designation (D4SL series).

Q: Does the substitute part have better regulatory compliance? A: Yes. The D4SL-N4QFG-D4 carries active RoHS Compliant status and holds established approval certifications (CCC, CE, cURus, TUV), whereas the original part's compliance status is not fully specified.

Q: Are there inventory considerations for this substitution? A: Current inventory of the D4SL-4QDG-D4 totals 1171 pieces. The substitute D4SL-N4QFG-D4 maintains 742 pieces in stock. Both are available as new original components.

Q: What is the ECCN classification difference? A: The obsolete D4SL-4QDG-D4 carries OBSOLETE ECCN designation. The substitute D4SL-N4QFG-D4 is classified as EAR99, which is the standard export control classification for most commercial electronic components.