MB2181SS4G01 Equivalent & Substitute Parts

Part Overview

The MB2181SS4G01 is a pushbutton switch manufactured by NKK Switches. This component is classified as obsolete, making it necessary to identify active equivalent or substitute parts for ongoing production, maintenance, and new design applications. Locating suitable alternatives ensures design continuity and supply chain reliability.

Substiute Parts

MB2181SS4G01

NKK SwitchesIn Stock: 1032MB2181SS4G01 Datasheet

Current PartRFQ

MBN45SS4G01

NKK SwitchesIn Stock: 868MBN45SS4G01 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The MBN45SS4G01 is identified as a manufacturer-recommended substitute for the MB2181SS4G01. Substitution eligibility is determined by the following criteria:

• Manufacturer: Both parts are manufactured by NKK Switches, ensuring consistent design philosophy and quality standards
• Component Category: Both are classified as pushbutton switches
• Product Function: Both serve as pushbutton switch applications
• Manufacturer Recommendation: The MBN45SS4G01 is explicitly designated as the manufacturer-recommended replacement

The substitute part is active in production, providing assured long-term availability compared to the obsolete original part.

Parameter Comparison

Engineering Selection Recommendations

The MBN45SS4G01 is the manufacturer-recommended substitute for the obsolete MB2181SS4G01. Selection of the active part is appropriate for new designs and production applications requiring long-term component availability. The substitute maintains NKK Switches manufacturing standards and is currently in active production status, ensuring supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Why is the MB2181SS4G01 no longer available? A: The MB2181SS4G01 is classified as obsolete. NKK Switches has designated the MBN45SS4G01 as the active replacement within the MB2000 series.

Q: Can the MBN45SS4G01 directly replace the MB2181SS4G01? A: The MBN45SS4G01 is the manufacturer-recommended substitute. Both are pushbutton switches from NKK Switches. Verify mechanical fit and electrical specifications for your specific application, particularly mounting type (Panel Mount, Rear) and circuit configuration (4PDT).

Q: What are the key electrical specifications of the substitute part? A: The MBN45SS4G01 operates at 28 V AC/DC with a current rating of 0.4VA and features a 4PDT circuit configuration with On-Mom switch function.

Q: What is the panel cutout requirement for the MBN45SS4G01? A: The panel cutout dimension is circular with a 6.50mm diameter.

Q: Are both parts available in stock? A: Yes. The original MB2181SS4G01 has 944 pieces in stock, and the substitute MBN45SS4G01 has 810 pieces in stock as new original inventory.