KB15SKW01-FF Equivalent & Substitute Parts

Part Overview

The KB15SKW01-FF is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 1A current rating at 125V AC. This component is designed for standard panel mount applications with front-facing actuator orientation. The product is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

KB15SKW01-FF
NKK SwitchesIn Stock: 837KB15SKW01-FF Datasheet
KB15SKW01-FF
Current Part
YB15SKW01-FB
NKK SwitchesIn Stock: 1130YB15SKW01-FB Datasheet
YB15SKW01-FB
Similar

Key Parameters

Parameter Value
Manufacturer Part Number KB15SKW01-FF
Manufacturer NKK Switches
Series KB
Product Status Obsolete
Circuit Configuration SPDT
Switch Function On-Mom
Current Rating 1A (AC/DC)
Voltage Rating - AC 125V
Voltage Rating - DC 30V
Mounting Type Panel Mount, Front
Actuator Type Square, Button
Termination Style Solder Lug
Panel Cutout Dimensions Circular - 12.30mm Dia
Operating Temperature Range -25°C ~ 70°C
Mechanical Life 100,000 Cycles
Electrical Life 50,000 Cycles
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the KB15SKW01-FF is determined by the following critical parameters that must be maintained or exceeded:

Circuit configuration must remain SPDT to preserve switching logic compatibility. Switch function must remain On-Mom (momentary operation). Voltage ratings must meet or exceed the original specifications: 125V AC minimum and 30V DC minimum. Current rating must equal or exceed 1A at the specified voltage levels. Mounting type must remain Panel Mount, Front to ensure mechanical compatibility with existing panel cutouts and installation procedures. Actuator type must remain Square, Button for ergonomic and operational consistency. Operating temperature range must encompass or exceed -25°C to 70°C. RoHS3 compliance must be maintained for regulatory alignment.

The YB15SKW01-FB qualifies as a substitute based on these criteria, though with notable parameter enhancements and modifications to termination style and panel cutout dimensions.

Parameter Comparison

Parameter KB15SKW01-FF (Main Part) YB15SKW01-FB (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, Front Panel Mount, Front
Actuator Type Square, Button Square, Button
Actuator Color Green Green (White Filter/Diffuser)
Operating Temperature Range -25°C ~ 70°C -25°C ~ 70°C
Mechanical Life 100,000 Cycles 1,000,000 Cycles
Electrical Life 50,000 Cycles 100,000 Cycles
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
Product Status Obsolete Active

Engineering Selection Recommendations

The YB15SKW01-FB serves as a direct functional substitute for the KB15SKW01-FF. Both components maintain identical circuit configuration, switch function, voltage ratings, and mounting specifications. The substitute part is currently in active production status, ensuring long-term availability and supply chain continuity compared to the obsolete KB15SKW01-FF.

The YB15SKW01-FB provides enhanced electrical and mechanical performance characteristics, including 3A current rating versus 1A, 1,000,000 mechanical cycles versus 100,000, and 100,000 electrical cycles versus 50,000. Both components maintain ROHS3 compliance and unlimited moisture sensitivity rating.

Integration of the YB15SKW01-FB requires consideration of panel cutout dimension changes: the substitute requires a 16.00mm diameter circular cutout compared to the original 12.30mm specification. Termination style differs, with the substitute offering Solder and Quick Connect 0.110" (2.8mm) options versus the original Solder Lug configuration. These mechanical and electrical interface modifications must be evaluated within the context of existing panel designs and circuit board layouts.

Frequently Asked Questions (FAQ)

Q: Can the YB15SKW01-FB directly replace the KB15SKW01-FF without circuit modifications?

A: The YB15SKW01-FB maintains identical SPDT circuit configuration, On-Mom switch function, and voltage ratings (125V AC, 30V DC). Circuit-level compatibility is established. However, termination style differs: the original uses Solder Lug while the substitute offers Solder and Quick Connect 0.110" (2.8mm) options. Electrical interface adaptation may be required depending on existing circuit board design.

Q: What are the panel mounting considerations when substituting these components?

A: The KB15SKW01-FF requires a 12.30mm diameter circular panel cutout, while the YB15SKW01-FB requires 16.00mm diameter. Existing panel cutouts must be enlarged or new panels fabricated to accommodate the substitute component. Both components maintain Panel Mount, Front orientation and Square Button actuator type.

Q: How do the performance characteristics differ between these parts?

A: The YB15SKW01-FB provides enhanced durability with 1,000,000 mechanical cycles and 100,000 electrical cycles compared to 100,000 mechanical cycles and 50,000 electrical cycles for the KB15SKW01-FF. Current rating increases from 1A to 3A. Both maintain identical operating temperature range (-25°C to 70°C) and regulatory compliance status.

Q: Is the YB15SKW01-FB suitable for applications requiring the original 1A current specification?

A: Yes. The YB15SKW01-FB is rated for 3A current, which exceeds the original 1A requirement. Components rated for higher current levels are suitable for applications requiring lower current operation.

Q: What is the availability status of these components?

A: The KB15SKW01-FF is classified as obsolete. The YB15SKW01-FB is in active production status, ensuring ongoing availability and supply chain support for new designs and system maintenance applications.

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