NKK Switches M2011ES4W03 Toggle Switch - Equivalent & Substitute Parts

Part Overview

The NKK Switches M2011ES4W03 is a toggle switch classified as an electronic switching component. This part is currently listed with obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

M2011ES4W03

NKK SwitchesIn Stock: 1101M2011ES4W03 Datasheet

Current PartRFQ

MN11ES4W03

NKK SwitchesIn Stock: 1017MN11ES4W03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the M2011ES4W03 is based on functional equivalence within the toggle switch category. The primary substitute identified is the MN11ES4W03, also manufactured by NKK Switches. This substitution is valid based on the following criteria:

• Identical manufacturer (NKK Switches)
• Same product category (Toggle Switch)
• Matching ECCN classification (EAR99)
• Matching HTSUS code (8536.50.9065)
• Active product status of the substitute part ensures ongoing availability and support

The MN11ES4W03 maintains functional compatibility as a direct substitute for the obsolete M2011ES4W03 within the same product line.

Parameter Comparison

Engineering Selection Recommendations

The MN11ES4W03 is the appropriate substitute for the obsolete M2011ES4W03. Selection of this substitute is supported by:

• Identical regulatory classification (ECCN EAR99, HTSUS 8536.50.9065)
• Active product status ensuring long-term availability and manufacturer support
• Same manufacturer lineage, confirming design continuity
• Adequate inventory availability of the substitute part (951 Pcs)

For applications currently using the M2011ES4W03, transition to the MN11ES4W03 is the recommended path forward given the obsolete status of the original part.

Frequently Asked Questions (FAQ)

Q: Why is the M2011ES4W03 listed as obsolete? A: The M2011ES4W03 has reached end-of-life status with NKK Switches. The MN11ES4W03 serves as the active replacement within the product line.

Q: Are the M2011ES4W03 and MN11ES4W03 functionally equivalent? A: Both parts are toggle switches manufactured by NKK Switches with identical regulatory classifications (ECCN and HTSUS codes), confirming functional equivalence for switching applications.

Q: What is the difference between these two part numbers? A: The primary difference is product status: M2011ES4W03 is obsolete while MN11ES4W03 is active. Both maintain the same regulatory and compliance classifications.

Q: Is inventory available for both parts? A: Yes. The original M2011ES4W03 has 1058 units in stock, and the substitute MN11ES4W03 has 951 units available.

Q: Can I use MN11ES4W03 as a direct replacement in existing designs? A: The MN11ES4W03 is classified as a direct substitute based on matching product category, manufacturer, and regulatory compliance codes.