KB16SKW01-12-JC Equivalent & Substitute Parts

Part Overview

The KB16SKW01-12-JC is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with On-On switching function. This component is rated for 1A at 125V AC and 30V DC, with incandescent red illumination at 12VAC nominal voltage. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Key Parameters

Parameter	Value
Manufacturer Part Number	KB16SKW01-12-JC
Manufacturer	NKK Switches
Circuit Configuration	SPDT
Switch Function	On-On
Current Rating	1A (AC/DC)
Voltage Rating - AC	125V
Voltage Rating - DC	30V
Mounting Type	Panel Mount, Front
Actuator Type	Square, Button
Illumination Type	Incandescent, Red
Illumination Voltage	12VAC
Operating Temperature Range	-25°C to 50°C
Mechanical Life	100,000 Cycles
Electrical Life	50,000 Cycles
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the KB16SKW01-12-JC is determined by the following critical parameters:

Electrical Compatibility Requirements:

SPDT circuit configuration maintained
On-On switch function preserved
Voltage ratings: minimum 125V AC and 30V DC support
Current rating: minimum 1A (AC/DC)

Mechanical & Physical Requirements:

Panel Mount, Front mounting type
Square button actuator type
Red illumination color
Circular panel cutout compatibility

Environmental & Lifecycle Requirements:

Operating temperature range: -25°C to 50°C
RoHS3 compliance
REACH unaffected status

The substitute part YB16SKW01-5C12-JC meets these core substitution criteria while offering enhanced performance characteristics in current rating, mechanical life, and electrical life.

Parameter Comparison

Parameter	KB16SKW01-12-JC (Main)	YB16SKW01-5C12-JC (Substitute)
Manufacturer	NKK Switches	NKK Switches
Circuit Configuration	SPDT	SPDT
Switch Function	On-On	On-On
Current Rating	1A (AC/DC)	3A (AC/DC)
Voltage Rating - AC	125V	125V
Voltage Rating - DC	30V	30V
Mounting Type	Panel Mount, Front	Panel Mount, Front
Actuator Type	Square, Button	Square, Button
Actuator Color	Clear (Red Filter/Diffuser)	Clear (Red Filter/Diffuser)
Illumination Type	Incandescent, Red	LED, Red
Illumination Voltage	12VAC	12VDC
Termination Style	Solder Lug	Solder, Quick Connect - 0.110" (2.8mm)
Operating Temperature Range	-25°C to 50°C	-25°C to 50°C
Mechanical Life	100,000 Cycles	200,000 Cycles
Electrical Life	50,000 Cycles	100,000 Cycles
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Panel Cutout Diameter	12.30mm	16.00mm

Engineering Selection Recommendations

The YB16SKW01-5C12-JC serves as a direct functional substitute for the obsolete KB16SKW01-12-JC. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new implementations and legacy system replacements.

The substitute part provides superior performance specifications: 3A current rating versus 1A, 200,000 mechanical cycles versus 100,000, and 100,000 electrical cycles versus 50,000. LED illumination replaces incandescent technology, offering extended operational life and reduced power consumption.

Physical integration requires consideration of panel cutout diameter: the substitute requires a 16.00mm circular cutout compared to the original 12.30mm specification. Termination configuration differs, with the substitute offering both solder and quick connect options versus solder lug only on the original part.

Illumination voltage differs: the original operates at 12VAC while the substitute operates at 12VDC. Circuit design must accommodate this voltage type change.

Frequently Asked Questions (FAQ)

Q: Can YB16SKW01-5C12-JC directly replace KB16SKW01-12-JC without modifications?

A: Electrical and functional compatibility is maintained. Physical panel integration requires enlargement of the cutout from 12.30mm to 16.00mm diameter. Illumination voltage type changes from 12VAC to 12VDC, requiring circuit adjustment.

Q: What are the key differences in electrical performance?

A: The substitute part supports 3A current rating versus 1A on the original, providing higher current capacity. Electrical life extends from 50,000 to 100,000 cycles, and mechanical life increases from 100,000 to 200,000 cycles.

Q: Are both parts compliant with current regulations?

A: Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Q: What is the impact of LED versus incandescent illumination?

A: LED illumination in the substitute provides extended operational life compared to incandescent technology. Power consumption is reduced, and the illumination voltage operates on 12VDC rather than 12VAC.

Q: Does the termination style change affect circuit board integration?

A: The substitute offers solder and quick connect termination options versus solder lug only on the original. Quick connect capability provides flexibility in assembly and maintenance procedures.

Q: What panel modifications are required for installation?

A: The panel cutout diameter must be enlarged from 12.30mm to 16.00mm to accommodate the substitute part's larger form factor.

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