M2019SS4W03 Equivalent & Substitute Parts

Part Overview

The M2019SS4W03 is a toggle switch manufactured by NKK Switches, classified as an electronic switching component. This part is currently listed with obsolete product status. Due to its obsolescence, identifying functionally equivalent substitute parts is essential for ongoing system maintenance, repair, and new design implementations where this component specification remains applicable.

Substiute Parts

M2019SS4W03

NKK SwitchesIn Stock: 1057M2019SS4W03 Datasheet

Current PartRFQ

MN19SS4W03

NKK SwitchesIn Stock: 678MN19SS4W03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the M2019SS4W03 are identified based on functional equivalence within the toggle switch category. The primary substitution criterion is manufacturer compatibility and product classification alignment. The MN19SS4W03 qualifies as a substitute part based on the following parameters:

• Identical manufacturer (NKK Switches)
• Same product category (Toggle Switch)
• Matching ECCN classification (EAR99)
• Matching HTSUS tariff code (8536.50.9065)
• Active product status, ensuring ongoing availability and support

Parameter Comparison

Engineering Selection Recommendations

The MN19SS4W03 is classified as an active product with current manufacturing support, whereas the M2019SS4W03 is obsolete. For new designs and long-term system deployments, the MN19SS4W03 is the appropriate selection due to its active product status and assured supply chain continuity. Both parts share identical regulatory classifications (ECCN EAR99 and HTSUS 8536.50.9065), confirming compliance alignment. Existing systems currently utilizing the M2019SS4W03 may continue operation with available inventory; however, future procurement should transition to the MN19SS4W03 to ensure component availability and manufacturer support.

Frequently Asked Questions (FAQ)

Q: What makes MN19SS4W03 a suitable substitute for M2019SS4W03?

A: Both parts are toggle switches manufactured by NKK Switches with identical regulatory classifications (ECCN and HTSUS codes). The MN19SS4W03 maintains the same functional category and compliance requirements as the obsolete M2019SS4W03.

Q: Why is the M2019SS4W03 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production and support for this part number. The MN19SS4W03 represents the current active equivalent within NKK Switches' product line.

Q: Are there packaging differences between these parts?

A: Packaging information is not specified in the available technical parameters for either part number. Packaging details should be confirmed through the manufacturer's current datasheets.

Q: Can I use remaining M2019SS4W03 inventory in new designs?

A: While existing inventory of the M2019SS4W03 is available, new designs should specify the MN19SS4W03 to ensure long-term component availability and manufacturer support continuity.

Q: What regulatory certifications apply to both parts?

A: Both the M2019SS4W03 and MN19SS4W03 are classified under ECCN EAR99 and HTSUS code 8536.50.9065, indicating identical export control and tariff classifications.