M2012B2B1G03 Equivalent & Substitute Parts

Part Overview

The M2012B2B1G03 is a toggle switch manufactured by NKK Switches, configured as a Single Pole Double Throw (SPDT) panel mount switch with On-On functionality. This component is rated for 0.4VA at 28V (AC/DC) and features a standard round actuator with a 17.50mm length. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations where this switch type is required.

Substiute Parts

M2012B2B1G03

NKK SwitchesIn Stock: 1369M2012B2B1G03 Datasheet

Current PartRFQ

MN12B2B1G03

NKK SwitchesIn Stock: 1463MN12B2B1G03 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2012B2B1G03 is determined by the following critical parameters:

• Circuit configuration (SPDT)
• Switch function (On-On)
• Current and voltage ratings (0.4VA at 28V AC/DC)
• Mounting type (Panel Mount)
• Panel cutout dimensions (Circular - 12.50mm Dia)
• Bushing thread specification (M12 x 1)
• Termination style (PC Pin)
• Operating temperature range (-30°C ~ 85°C)

The substitute part MN12B2B1G03 is identified as a manufacturer-recommended equivalent from NKK Switches. This part maintains compatibility with the electrical and mechanical interface requirements of the original component.

Parameter Comparison

Engineering Selection Recommendations

The MN12B2B1G03 is designated as the manufacturer-recommended substitute for the obsolete M2012B2B1G03. Both parts are manufactured by NKK Switches and maintain ROHS3 compliance and identical export classification codes. The substitute part carries Active product status, ensuring continued availability and supply chain reliability. Selection of the MN12B2B1G03 is appropriate for applications requiring replacement of the M2012B2B1G03 where electrical and mechanical interface compatibility is required.

Frequently Asked Questions (FAQ)

Q: What makes MN12B2B1G03 a suitable substitute for M2012B2B1G03?

A: The MN12B2B1G03 is the manufacturer-recommended equivalent from NKK Switches. Both parts share identical electrical ratings (0.4VA at 28V AC/DC), circuit configuration (SPDT), and mechanical interface specifications including panel mount dimensions and termination style.

Q: Why is the M2012B2B1G03 classified as obsolete?

A: The M2012B2B1G03 has reached end-of-life status with NKK Switches. The MN12B2B1G03 represents the active product line continuation for this switch category.

Q: Are there any compliance differences between the two parts?

A: Both parts maintain ROHS3 compliance and carry identical ECCN and HTSUS classifications, ensuring regulatory equivalence for procurement and deployment.

Q: What is the panel cutout requirement for installation?

A: Both the M2012B2B1G03 and MN12B2B1G03 require a circular panel cutout of 12.50mm diameter with M12 x 1 bushing thread specification.

Q: Can the MN12B2B1G03 be used in existing designs specified for M2012B2B1G03?

A: Yes. The MN12B2B1G03 maintains electrical and mechanical compatibility with the M2012B2B1G03 interface requirements, supporting direct substitution in existing applications.