KB15MKW01-EB Equivalent & Substitute Parts

Part Overview

The KB15MKW01-EB is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with momentary on-function operation. This component is rated for 1A at 125V AC and 30V DC, designed for standard panel mount snap-in installation with a circular 12.30mm diameter cutout. The product is currently obsolete, making identification of suitable substitute components essential for ongoing maintenance, repair, and new design applications where equivalent functionality is required.

Substiute Parts

KB15MKW01-EB
NKK SwitchesIn Stock: 1050KB15MKW01-EB Datasheet
KB15MKW01-EB
Current Part
YB15MKW01-EB
NKK SwitchesIn Stock: 866YB15MKW01-EB Datasheet
YB15MKW01-EB
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Key Parameters

Parameter Value
Manufacturer Part Number KB15MKW01-EB
Manufacturer NKK Switches
Circuit Configuration SPDT
Switch Function On-Mom (Momentary)
Current Rating 1A (AC/DC)
Voltage Rating - AC 125V
Voltage Rating - DC 30V
Mounting Type Panel Mount, Snap-In
Actuator Type Round, Button
Panel Cutout Diameter 12.30mm (Circular)
Operating Temperature Range -25°C to 70°C
Mechanical Life 100,000 Cycles
Electrical Life 50,000 Cycles
Termination Style Solder Lug
Product Status Obsolete
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the KB15MKW01-EB is determined by the following critical parameters:

Electrical Compatibility Requirements:

  • Circuit configuration must remain SPDT
  • Switch function must be On-Mom (momentary operation)
  • Voltage ratings must meet or exceed: 125V AC and 30V DC
  • Current rating must support the application load (minimum 1A)

Mechanical Compatibility Requirements:

  • Mounting type must be Panel Mount, Snap-In
  • Actuator type must be Round, Button
  • Panel cutout diameter must accommodate the installation footprint
  • Termination style must be compatible with existing circuit board or wiring

Environmental & Compliance Requirements:

  • Operating temperature range must encompass -25°C to 70°C
  • RoHS3 compliance required for regulatory alignment
  • Mechanical and electrical life ratings should support application duty cycle

The YB15MKW01-EB qualifies as a substitute based on matching circuit configuration (SPDT), switch function (On-Mom), voltage ratings (125V AC / 30V DC), mounting type (Panel Mount, Snap-In), and actuator type (Round, Button). The substitute provides enhanced performance characteristics including higher current rating (3A), extended mechanical life (1,000,000 cycles), and improved electrical life (100,000 cycles).

Parameter Comparison

Parameter KB15MKW01-EB (Main) YB15MKW01-EB (Substitute)
Manufacturer NKK Switches NKK Switches
Circuit Configuration SPDT SPDT
Switch Function On-Mom On-Mom
Current Rating 1A (AC/DC) 3A (AC/DC)
Voltage Rating - AC 125V 125V
Voltage Rating - DC 30V 30V
Mounting Type Panel Mount, Snap-In Panel Mount, Snap-In
Actuator Type Round, Button Round, Button
Actuator Color Yellow (White Filter/Diffuser) Yellow (White Filter/Diffuser)
Panel Cutout Diameter 12.30mm (Circular) 16.00mm (Circular)
Operating Temperature Range -25°C to 70°C -25°C to 70°C
Mechanical Life 100,000 Cycles 1,000,000 Cycles
Electrical Life 50,000 Cycles 100,000 Cycles
Termination Style Solder Lug Solder, Quick Connect - 0.110" (2.8mm)
Product Status Obsolete Active
RoHS Status ROHS3 Compliant ROHS3 Compliant

Engineering Selection Recommendations

The YB15MKW01-EB serves as a direct functional substitute for the obsolete KB15MKW01-EB. Both components maintain identical electrical specifications (SPDT circuit, On-Mom function, 125V AC / 30V DC ratings) and mechanical mounting characteristics (Panel Mount, Snap-In with round button actuator). Both components are ROHS3 compliant, ensuring regulatory alignment for current manufacturing and repair applications.

The substitute component offers superior performance characteristics with tripled current capacity (3A versus 1A) and extended operational life ratings (1,000,000 mechanical cycles versus 100,000). The YB15MKW01-EB maintains active product status, ensuring ongoing availability and supply chain continuity.

Physical installation requires consideration of the increased panel cutout diameter (16.00mm for YB15MKW01-EB versus 12.30mm for KB15MKW01-EB). Termination compatibility differs between solder lug (KB15MKW01-EB) and solder with quick connect options (YB15MKW01-EB), necessitating circuit board or wiring adaptation during component replacement.

Frequently Asked Questions (FAQ)

Q: Can the YB15MKW01-EB directly replace the KB15MKW01-EB without circuit modifications?

A: Electrical functionality is directly compatible. Both components feature identical SPDT circuit configuration, momentary on-function operation, and voltage ratings (125V AC / 30V DC). However, physical installation requires panel cutout enlargement from 12.30mm to 16.00mm diameter, and termination style differs (solder lug versus solder with quick connect), requiring wiring or circuit board adaptation.

Q: What are the key differences between these two components?

A: The primary differences are: current rating (1A versus 3A), mechanical life (100,000 versus 1,000,000 cycles), electrical life (50,000 versus 100,000 cycles), panel cutout diameter (12.30mm versus 16.00mm), termination style (solder lug versus solder/quick connect), and product status (obsolete versus active). Electrical specifications and mounting type remain identical.

Q: Is the higher current rating of the YB15MKW01-EB a concern for applications designed for 1A operation?

A: No. The higher current rating (3A) of the substitute component is a performance enhancement that does not negatively impact applications designed for 1A operation. The component will operate safely within the lower current specification of the original design.

Q: What installation considerations apply when switching from KB15MKW01-EB to YB15MKW01-EB?

A: Panel cutout diameter must be enlarged from 12.30mm to 16.00mm to accommodate the larger snap-in footprint. Termination connections require modification to accommodate the quick connect option (0.110" / 2.8mm) in addition to solder connections. Both components maintain identical operating temperature range (-25°C to 70°C) and environmental compliance (ROHS3).

Q: Are both components suitable for the same environmental operating conditions?

A: Yes. Both the KB15MKW01-EB and YB15MKW01-EB operate across the identical temperature range of -25°C to 70°C. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component applications.

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