KB16SKW01-5F-AB Equivalent & Substitute Parts

Part Overview

The KB16SKW01-5F-AB is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with integrated LED illumination. This component is designed for panel-mount applications with front-facing installation. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations where similar electrical and mechanical characteristics are required.

Key Parameters

Parameter	Value
Manufacturer	NKK Switches
Circuit Configuration	SPDT
Switch Function	On-On
Current Rating	1A (AC/DC)
Voltage Rating - AC	125 V
Voltage Rating - DC	30 V
Actuator Type	Square Button
Illumination Type	LED, Green
Mounting Type	Panel Mount, Front
Termination Style	Solder Lug
Panel Cutout Diameter	12.30mm
Operating Temperature Range	-25°C to 50°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the KB16SKW01-5F-AB is determined by the following critical parameters:

Mandatory Matching Parameters:

Circuit configuration (SPDT)
Switch function (On-On)
Voltage ratings (125V AC / 30V DC minimum)
Illumination type and color (LED, Green)
Mounting type (Panel Mount, Front)
Operating temperature range (-25°C to 50°C)
RoHS compliance status

Allowable Variation Parameters:

Current rating (substitute may exceed 1A)
Mechanical and electrical life cycles (substitute may exceed specified values)
Panel cutout diameter (physical installation considerations)
Termination style (electrical connection method)
Illumination voltage (within compatible LED operating range)

The YB16SKW01-5F-AB meets all mandatory matching criteria while providing enhanced electrical performance characteristics.

Parameter Comparison

Parameter	KB16SKW01-5F-AB (Main Part)	YB16SKW01-5F-AB (Substitute)
Manufacturer	NKK Switches	NKK Switches
Series	KB	YB
Product Status	Obsolete	Active
Circuit Configuration	SPDT	SPDT
Switch Function	On-On	On-On
Current Rating (AC/DC)	1A	3A
Voltage Rating - AC	125V	125V
Voltage Rating - DC	30V	30V
Actuator Type	Square Button	Square Button
Actuator Color	Black (White Window)	Black (White Window)
Illumination Type & Color	LED, Green	LED, Green
Illumination Voltage (Nominal)	2.1 VDC	2.0 VDC
Mounting Type	Panel Mount, Front	Panel Mount, Front
Termination Style	Solder Lug	Solder, Quick Connect - 0.110" (2.8mm)
Panel Cutout Diameter	12.30mm	16.00mm
Operating Temperature	-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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The YB16SKW01-5F-AB is a direct functional substitute for the obsolete KB16SKW01-5F-AB. Both components maintain identical electrical specifications for voltage and circuit configuration, with the substitute offering superior current handling capacity (3A versus 1A) and extended mechanical/electrical life cycles.

The substitute part is currently in active production status, ensuring supply chain availability. Both components maintain ROHS3 compliance and identical moisture sensitivity ratings, supporting equivalent environmental performance in specified operating conditions.

Physical installation requires consideration of the increased panel cutout diameter (16.00mm versus 12.30mm) for the substitute part. Termination style differs between the two components; the substitute provides both solder and quick-connect options, offering installation flexibility not present in the original part.

Frequently Asked Questions (FAQ)

Q: Can the YB16SKW01-5F-AB directly replace the KB16SKW01-5F-AB in existing applications?

A: Electrical substitution is valid. The YB series maintains identical voltage ratings, circuit configuration, and illumination specifications. Physical panel cutout diameter differs (16.00mm versus 12.30mm), requiring mechanical evaluation for your specific installation.

Q: What is the significance of the increased current rating in the substitute part?

A: The YB16SKW01-5F-AB supports 3A (AC/DC) versus 1A in the original part. This provides additional design margin and supports applications with higher current requirements while maintaining backward compatibility with lower-current designs.

Q: Are there compliance differences between the two parts?

A: Both components are ROHS3 compliant with identical moisture sensitivity levels (MSL 1 - Unlimited). No compliance disadvantages exist when substituting the YB series for the KB series.

Q: How do the mechanical life specifications compare?

A: The substitute part provides 200,000 mechanical cycles versus 100,000 in the original, and 100,000 electrical cycles versus 50,000. This represents extended operational life for equivalent electrical performance.

Q: What termination considerations apply to substitution?

A: The original part uses solder lug termination exclusively. The substitute offers both solder and quick-connect (0.110" / 2.8mm) options, providing installation flexibility. Verify your circuit board design accommodates the selected termination method.

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