M2019SS4W01 Equivalent & Substitute Parts

Part Overview

The M2019SS4W01 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

M2019SS4W01

NKK SwitchesIn Stock: 1008M2019SS4W01 Datasheet

Current PartRFQ

MN19SS4W01

NKK SwitchesIn Stock: 820MN19SS4W01 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the M2019SS4W01 is determined by alignment across the following criteria:

• Manufacturer consistency (NKK Switches)
• Functional category (Toggle Switch)
• Export classification (ECCN: EAR99)
• Tariff classification (HTSUS: 8536.50.9065)
• Active product status for long-term availability

The substitute part MN19SS4W01 meets all these parameters and maintains functional equivalence within the toggle switch product line.

Parameter Comparison

Engineering Selection Recommendations

The MN19SS4W01 is classified as an active product with current manufacturing support, whereas the M2019SS4W01 is obsolete. Both parts share identical export and tariff classifications, indicating equivalent regulatory treatment. For new designs and long-term production requirements, the MN19SS4W01 is the appropriate selection due to its active status and assured supply chain continuity. The M2019SS4W01 remains available from existing inventory for legacy system support or short-term requirements.

Frequently Asked Questions (FAQ)

Q: What makes MN19SS4W01 a valid substitute for M2019SS4W01?

A: Both parts are NKK Switches toggle switches with identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications. The MN19SS4W01 maintains the same functional category and is currently in active production status.

Q: Why is the M2019SS4W01 marked as obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production. However, existing inventory remains available for procurement.

Q: Can I use MN19SS4W01 in place of M2019SS4W01 in existing designs?

A: Substitution is valid based on the provided parameters. Physical form factor, electrical ratings, and mechanical specifications must be confirmed through detailed component datasheets before implementation.

Q: What is the difference in inventory availability?

A: M2019SS4W01 has 961 pieces in stock, while MN19SS4W01 has 764 pieces in stock. Both are available as new original components.

Q: Are there export restrictions on either part?

A: Both parts carry the same ECCN classification (EAR99), indicating equivalent export control treatment under U.S. regulations.