M2015CS1G01 Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2015CS1G01 is a toggle switch manufactured by NKK Switches, classified as SPDT (Single Pole Double Throw) with On-Mom functionality. This panel-mount component is rated for 0.4VA at 28V AC/DC with a standard round actuator and solder lug termination. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

M2015CS1G01
NKK SwitchesIn Stock: 1117M2015CS1G01 Datasheet
M2015CS1G01
Current Part
7108L2YZBE
C&KIn Stock: 8447108L2YZBE Datasheet
7108L2YZBE
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Key Parameters

Parameter Value
Circuit Configuration SPDT (Single Pole Double Throw)
Switch Function On-Mom (On-Momentary)
Current Rating 0.4VA (AC/DC)
Voltage Rating - AC 28V
Voltage Rating - DC 28V
Mounting Type Panel Mount
Actuator Type Standard Round
Termination Style Solder Lug
Panel Cutout Diameter 6.50mm Circular
Bushing Thread 1/4-40
Operating Temperature Range -30°C to 85°C

Substitute Part Grouping Explanation

Substitution eligibility for the M2015CS1G01 is determined by strict alignment with the following critical parameters:

  • Circuit Configuration: Must be SPDT to maintain electrical functionality
  • Switch Function: Must be On-Mom to preserve operational behavior
  • Current Rating: Must support minimum 0.4VA (AC/DC)
  • Voltage Rating: Must support minimum 28V (both AC and DC)
  • Mounting Type: Must be Panel Mount for mechanical compatibility
  • Actuator Type: Must be Standard Round for user interface consistency
  • Termination Style: Must be Solder Lug for PCB integration
  • Panel Cutout Dimensions: Must accommodate circular 6.50mm diameter or smaller
  • Bushing Thread: Must be 1/4-40 for panel assembly compatibility

The substitute part 7108L2YZBE from C&K meets the core functional requirements (SPDT, On-Mom, 0.4VA, Panel Mount, Standard Round actuator, Solder Lug termination, 1/4-40 bushing). However, voltage rating differences and mechanical tolerances require engineering evaluation.

Parameter Comparison

Parameter M2015CS1G01 (NKK) 7108L2YZBE (C&K) Compatibility Note
Manufacturer NKK Switches C&K Different manufacturer
Circuit Configuration SPDT SPDT Match
Switch Function On-Mom On-Mom Match
Current Rating 0.4VA (AC/DC) 0.4VA (AC/DC) Match
Voltage Rating - AC 28V 20V M2015CS1G01 rated higher
Voltage Rating - DC 28V 20V M2015CS1G01 rated higher
Mounting Type Panel Mount Panel Mount Match
Actuator Type Standard Round Standard Round Match
Actuator Length 14.50mm 13.97mm Minor difference
Termination Style Solder Lug Solder Lug Match
Panel Cutout Diameter 6.50mm Circular 6.35mm Circular 7108L2YZBE smaller
Bushing Thread 1/4-40 1/4-40 Match
Operating Temperature -30°C to 85°C -30°C to 85°C Match
Electrical Life 50,000 Cycles 40,000 Cycles M2015CS1G01 higher rating
Product Status Obsolete Active 7108L2YZBE currently available
RoHS Status ROHS3 Compliant ROHS3 Compliant Match

Engineering Selection Recommendations

The 7108L2YZBE from C&K is functionally equivalent to the M2015CS1G01 for applications operating at or below 20V (AC/DC). Both components are ROHS3 compliant and share identical circuit configuration, switch function, current rating, mounting type, actuator type, and termination style.

For applications requiring the full 28V rating of the original M2015CS1G01, the 7108L2YZBE is not suitable as a direct substitute due to its 20V maximum voltage specification. The panel cutout diameter difference (6.35mm vs. 6.50mm) is within acceptable mechanical tolerance for standard panel mounting practices.

The 7108L2YZBE offers the advantage of active product status with current manufacturing availability (778 pcs in stock), whereas the M2015CS1G01 is obsolete. The C&K component has a lower electrical life rating (40,000 cycles vs. 50,000 cycles), which should be considered for high-cycle applications.

Frequently Asked Questions (FAQ)

Q: Can the 7108L2YZBE replace the M2015CS1G01 in all applications?

A: No. The 7108L2YZBE is suitable only for applications operating at 20V or below. If your system requires 28V operation, this substitute is not compatible. Verify your actual operating voltage before selection.

Q: What is the significance of the panel cutout diameter difference?

A: The M2015CS1G01 requires a 6.50mm circular cutout, while the 7108L2YZBE requires 6.35mm. The 7108L2YZBE will fit through a 6.50mm hole with clearance. If your panel is pre-drilled for 6.35mm, the M2015CS1G01 will not fit without modification.

Q: Are both components electrically interchangeable for SPDT On-Mom functionality?

A: Yes, both components provide identical SPDT On-Mom circuit behavior and 0.4VA current handling. The electrical interface is compatible when voltage requirements are met.

Q: What is the impact of the 10,000-cycle difference in electrical life?

A: The M2015CS1G01 is rated for 50,000 cycles while the 7108L2YZBE is rated for 40,000 cycles. For applications with frequent switching, this difference may affect component lifespan. Assess your expected cycle count against these specifications.

Q: Are there any compliance differences between these components?

A: Both components are ROHS3 compliant. The 7108L2YZBE is REACH Affected, while the M2015CS1G01 is REACH Unaffected. Verify REACH compliance requirements for your application and region.

Q: What packaging is available for the 7108L2YZBE?

A: The 7108L2YZBE is supplied in Bulk packaging, whereas the M2015CS1G01 packaging specification is not provided. Confirm packaging requirements for your procurement process.

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