KB15SKW01-5F-AB Equivalent & Substitute Parts

Part Overview

The KB15SKW01-5F-AB is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration 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 performance characteristics are required.

Key Parameters

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

Substitute Part Grouping Explanation

The YB15SKW01-5F-AB qualifies as a functional substitute based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

SPDT circuit configuration
On-Momentary switch function
AC voltage rating of 125V
DC voltage rating of 30V
LED illumination with green color
Panel mount, front-facing installation
Square button actuator
Operating temperature range of -25°C to 50°C
RoHS3 compliance
Moisture Sensitivity Level 1 (Unlimited)

Differing Parameters:

Current rating increased from 1A to 3A
Mechanical life increased from 100,000 to 1,000,000 cycles
Electrical life increased from 50,000 to 100,000 cycles
Panel cutout diameter changed from 12.30mm to 16.00mm
Termination style changed from Solder Lug to Solder and Quick Connect (0.110")
Illumination voltage nominal changed from 2.1VDC to 2VDC
Product status changed from Obsolete to Active

Parameter Comparison

Parameter	KB15SKW01-5F-AB (Main)	YB15SKW01-5F-AB (Substitute)
Manufacturer	NKK Switches	NKK Switches
Circuit Configuration	SPDT	SPDT
Switch Function	On-Momentary	On-Momentary
Current Rating (AC/DC)	1A	3A
Voltage Rating - AC	125V	125V
Voltage Rating - DC	30V	30V
Illumination Type, Color	LED, Green	LED, Green
Illumination Voltage (Nominal)	2.1VDC	2VDC
Mounting Type	Panel Mount, Front	Panel Mount, Front
Actuator Type	Square Button	Square Button
Color - Actuator/Cap	Black (White Window)	Black (White Window)
Operating Temperature	-25°C to 50°C	-25°C to 50°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)
Panel Cutout Dimensions	Circular - 12.30mm Dia	Circular - 16.00mm Dia
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The YB15SKW01-5F-AB is an active product offering superior electrical and mechanical performance characteristics compared to the obsolete KB15SKW01-5F-AB. Both components maintain ROHS3 compliance and identical voltage ratings across AC and DC specifications. The substitute part provides increased current capacity (3A versus 1A), extended mechanical life (1,000,000 versus 100,000 cycles), and doubled electrical life (100,000 versus 50,000 cycles).

Selection of the YB15SKW01-5F-AB requires accommodation of two physical differences: panel cutout diameter increases from 12.30mm to 16.00mm, and termination style changes from solder lug to solder with quick connect options. These modifications necessitate panel redesign and circuit board layout adjustments. The illumination voltage differential (2VDC nominal versus 2.1VDC nominal) falls within acceptable tolerance for LED circuit design.

Frequently Asked Questions (FAQ)

Q: Can the YB15SKW01-5F-AB directly replace the KB15SKW01-5F-AB without modifications?

A: Direct replacement without modifications is not possible. The panel cutout diameter differs (16.00mm versus 12.30mm), requiring panel modification. Termination style changes from solder lug to solder with quick connect, necessitating circuit board layout changes.

Q: What are the key electrical compatibility factors?

A: Both parts maintain identical SPDT circuit configuration, On-Momentary function, 125V AC rating, and 30V DC rating. The substitute part supports higher current (3A versus 1A), making it suitable for applications requiring the original 1A specification and those requiring up to 3A capacity.

Q: How do the mechanical life ratings affect component selection?

A: The KB15SKW01-5F-AB is rated for 100,000 mechanical cycles, while the YB15SKW01-5F-AB is rated for 1,000,000 cycles. For applications exceeding 100,000 cycle requirements, the substitute part provides extended service life.

Q: Are there illumination differences between these parts?

A: Both parts feature LED illumination with green color. Illumination voltage nominal values differ slightly (2.1VDC versus 2VDC), representing a 0.1VDC variance that typically falls within standard LED circuit design tolerances.

Q: What compliance certifications apply to both parts?

A: Both the KB15SKW01-5F-AB and YB15SKW01-5F-AB are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8536.50.9031.

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