MB2011SS2G45-BB Equivalent & Substitute Parts

Part Overview

The MB2011SS2G45-BB is a miniature pushbutton switch manufactured by NKK Switches, configured as a Standard SPDT (Single Pole Double Throw) switch with On-Momentary function. This through-hole, right-angle vertical mount component features a white round button actuator and is designed for PC pin termination with epoxy sealed terminals.

The MB2011SS2G45-BB is classified as Obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support legacy system maintenance where this component is specified in existing designs.

Substiute Parts

MB2011SS2G45-BB

NKK SwitchesIn Stock: 921MB2011SS2G45-BB Datasheet

Current PartRFQ

MBN15SS2G45-BB

NKK SwitchesIn Stock: 905MBN15SS2G45-BB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MB2011SS2G45-BB must maintain electrical and mechanical compatibility based on the following critical parameters:

Electrical Compatibility Requirements:

• Circuit configuration: SPDT
• Switch function: On-Momentary
• Current rating: 0.4 VA (AC/DC) minimum
• Voltage rating: 28 V AC and 28 V DC minimum

Mechanical Compatibility Requirements:

• Mounting type: Through Hole, Right Angle, Vertical
• Actuator type: Round Button
• Termination style: PC Pin
• Panel cutout: Circular 6.50 mm diameter

Environmental & Compliance Requirements:

• Operating temperature range: -30°C to 85°C
• RoHS3 compliance
• Mechanical life: 100,000 cycles minimum
• Electrical life: 50,000 cycles minimum

The identified substitute part MBN15SS2G45-BB is manufactured by NKK Switches and shares the core electrical and mechanical specifications required for direct substitution in applications currently using the MB2011SS2G45-BB.

Parameter Comparison

Engineering Selection Recommendations

The MBN15SS2G45-BB is a direct functional equivalent to the MB2011SS2G45-BB. Both components are manufactured by NKK Switches and share identical electrical ratings, mechanical configurations, and environmental specifications.

The primary distinction is product status: the MB2011SS2G45-BB is classified as Obsolete, while the MBN15SS2G45-BB is Active. For new designs or ongoing production requiring this switch type, the MBN15SS2G45-BB is the appropriate selection to ensure long-term supply chain availability and manufacturer support.

Both parts maintain ROHS3 compliance and are suitable for applications operating within the specified voltage (28 V AC/DC), current (0.4 VA), and temperature (-30°C to 85°C) parameters.

Frequently Asked Questions (FAQ)

Q: Can the MBN15SS2G45-BB be used as a direct replacement for the MB2011SS2G45-BB in existing designs?

A: Yes. Both components share identical electrical specifications (SPDT, On-Momentary, 0.4 VA, 28 V AC/DC), mechanical mounting (through-hole, right-angle, vertical), actuator configuration (round button), and termination style (PC pin). No circuit modifications are required.

Q: What is the difference between these two part numbers?

A: The MB2011SS2G45-BB is Obsolete, while the MBN15SS2G45-BB is Active. All electrical, mechanical, and environmental specifications are equivalent. The MBN15SS2G45-BB represents the current production equivalent.

Q: Are there packaging differences between these parts?

A: The MB2011SS2G45-BB is supplied in standard packaging, while the MBN15SS2G45-BB is supplied in Bulk packaging. Both configurations contain the same component with identical specifications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the MB2011SS2G45-BB and MBN15SS2G45-BB are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What are the critical parameters that determine substitution eligibility?

A: Substitution eligibility is determined by: circuit configuration (SPDT), switch function (On-Momentary), current rating (0.4 VA minimum), voltage rating (28 V AC/DC minimum), mounting type (through-hole, right-angle, vertical), actuator type (round button), termination style (PC pin), and operating temperature range (-30°C to 85°C).