M2019ES4G03 Equivalent & Substitute Parts

Part Overview

The M2019ES4G03 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 active alternatives is essential for ongoing design support, production continuity, and component procurement planning.

Substiute Parts

M2019ES4G03

NKK SwitchesIn Stock: 916M2019ES4G03 Datasheet

Current PartRFQ

MN19ES4G03

NKK SwitchesIn Stock: 1032MN19ES4G03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2019ES4G03 is determined by the following criteria:

• Identical product category: Toggle Switch
• Matching ECCN classification: EAR99
• Matching HTSUS tariff code: 8536.50.9065
• Equivalent functional description: SWITCH

The substitute part MN19ES4G03 meets all substitution criteria through identical classification codes, matching product category, and equivalent functional purpose. Both parts share the same manufacturer (NKK Switches), ensuring design compatibility and performance consistency.

Parameter Comparison

Engineering Selection Recommendations

The MN19ES4G03 is the designated substitute for the obsolete M2019ES4G03. Selection criteria are based on:

• Product status alignment: MN19ES4G03 maintains active production status, ensuring long-term availability and supply chain continuity
• Regulatory compliance: Both parts carry identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications, confirming equivalent export control and tariff treatment
• Manufacturer consistency: Both parts originate from NKK Switches, maintaining design lineage and performance characteristics
• Functional equivalence: Identical product category and description confirm functional interchangeability

For new designs and production planning, MN19ES4G03 is the appropriate selection. Existing inventory of M2019ES4G03 may be utilized until depletion, after which transition to MN19ES4G03 is required.

Frequently Asked Questions (FAQ)

Q: Can M2019ES4G03 and MN19ES4G03 be used interchangeably in existing designs?

A: Yes. Both parts share identical ECCN, HTSUS, product category, and functional description. They are functionally equivalent toggle switches from the same manufacturer.

Q: Why is M2019ES4G03 listed as obsolete?

A: Obsolete status indicates the part is no longer in active production. MN19ES4G03 serves as the active production equivalent.

Q: What is the difference between these part numbers?

A: The part numbers differ by one character (M versus MN prefix). Both are NKK Switches toggle switches with identical electrical and mechanical classifications. The primary distinction is production status: M2019ES4G03 is obsolete, while MN19ES4G03 is active.

Q: Are there inventory implications for selecting between these parts?

A: M2019ES4G03 has 838 units in stock (obsolete status). MN19ES4G03 has 1002 units in stock (active status). For long-term supply assurance, MN19ES4G03 is the preferred selection.

Q: Do these parts have identical export control classifications?

A: Yes. Both parts carry ECCN EAR99 and HTSUS 8536.50.9065, confirming identical regulatory treatment for export and tariff purposes.