MB2011SB1G01-4B-A Equivalent & Substitute Parts

Part Overview

The MB2011SB1G01-4B-A is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with On-Momentary switch function. This component is rated for 0.4VA at 28V AC/DC and is designed for panel mount, rear installation with solder lug termination. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance, repair, and component sourcing in legacy applications.

Substiute Parts

MB2011SB1G01-4B-A

NKK SwitchesIn Stock: 1177MB2011SB1G01-4B-A Datasheet

Current PartRFQ

MBN15SB1G01-4B-A

NKK SwitchesIn Stock: 1174MBN15SB1G01-4B-A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MB2011SB1G01-4B-A is determined by the following critical parameters:

• Circuit Configuration: SPDT topology must be maintained
• Switch Function: On-Momentary operation required
• Electrical Ratings: 0.4VA at 28V AC/DC minimum
• Mounting Interface: Panel mount, rear configuration with compatible panel cutout dimensions
• Termination: Solder lug connection method
• Environmental Compliance: ROHS3 compliance and MSL rating compatibility
• Mechanical Durability: Minimum 100,000 mechanical cycles and 50,000 electrical cycles

The identified substitute part MBN15SB1G01-4B-A is classified as a compatible alternative based on manufacturer designation and series relationship within the NKK Switches product portfolio.

Parameter Comparison

Engineering Selection Recommendations

The MB2011SB1G01-4B-A is designated as obsolete by the manufacturer. The substitute part MBN15SB1G01-4B-A carries active product status, indicating ongoing manufacturing and availability through NKK Switches distribution channels.

Selection of MBN15SB1G01-4B-A as a replacement should be based on:

• Confirmation that electrical specifications (circuit configuration, voltage/current ratings, and switch function) align with application requirements
• Verification that mechanical mounting interface and panel cutout dimensions accommodate the substitute component
• Confirmation of termination compatibility with existing circuit board or wiring harness design
• Validation that RoHS and environmental compliance certifications meet system-level requirements

The active product status of MBN15SB1G01-4B-A provides supply chain continuity for applications currently using the obsolete MB2011SB1G01-4B-A.

Frequently Asked Questions (FAQ)

Q: Why is the MB2011SB1G01-4B-A listed as obsolete? A: The MB2011SB1G01-4B-A has been discontinued by NKK Switches. The manufacturer recommends transitioning to active product alternatives for new designs and ongoing production requirements.

Q: What are the critical parameters for substitution? A: Substitutes must maintain SPDT circuit configuration, On-Momentary switch function, 0.4VA rating at 28V AC/DC, panel mount rear installation, solder lug termination, and compatible panel cutout dimensions (12.50mm circular).

Q: Is MBN15SB1G01-4B-A a direct replacement? A: MBN15SB1G01-4B-A is designated by the manufacturer as a substitute part. Complete electrical and mechanical specification alignment should be confirmed with the component datasheet before implementation.

Q: What is the difference in packaging between these parts? A: The main part number does not specify packaging details, while MBN15SB1G01-4B-A is supplied in bulk packaging format.

Q: Are both parts RoHS compliant? A: The MB2011SB1G01-4B-A is ROHS3 compliant. RoHS compliance status for MBN15SB1G01-4B-A should be confirmed through the manufacturer's current documentation.

Q: What is the mechanical life expectancy? A: The MB2011SB1G01-4B-A is rated for 100,000 mechanical cycles and 50,000 electrical cycles. Equivalent specifications for the substitute part should be verified.