KB15SKW01-05-FF Equivalent & Substitute Parts

Part Overview

The KB15SKW01-05-FF is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with on-momentary switch function. This component is designed for panel-mount front installation with incandescent green illumination at 5 VAC nominal voltage. The part is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where continued component availability is required.

Substiute Parts

KB15SKW01-05-FF

NKK SwitchesIn Stock: 1108KB15SKW01-05-FF Datasheet

Current PartRFQ

YB15SKW01-5F05-JF

NKK SwitchesIn Stock: 1093YB15SKW01-5F05-JF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the KB15SKW01-05-FF is determined by the following critical parameters that must remain functionally equivalent:

Mandatory Matching Parameters:

• Circuit configuration: SPDT
• Switch function: On-Mom (On-Momentary)
• Voltage ratings: 125 V AC minimum, 30 V DC minimum
• Mounting type: Panel Mount, Front
• Actuator type: Square, Button
• Operating temperature range: -25°C to 50°C minimum
• Termination compatibility with existing circuit board or harness

Allowable Variations:

• Current rating may exceed 1A (higher ratings are backward compatible)
• Illumination technology may differ (incandescent to LED) provided voltage compatibility is maintained
• Mechanical and electrical life ratings may exceed original specifications
• Panel cutout diameter may differ, requiring mechanical redesign of mounting interface
• Termination style may vary if electrical connection is maintained

The YB15SKW01-5F05-JF meets the core electrical and functional requirements while offering enhanced performance characteristics in mechanical durability and illumination technology.

Parameter Comparison

Engineering Selection Recommendations

The YB15SKW01-5F05-JF is a functionally suitable substitute for the obsolete KB15SKW01-05-FF based on electrical equivalence in circuit configuration, switch function, and voltage ratings. The substitute part is currently in active production status, ensuring long-term availability.

Key considerations for implementation:

1. Illumination Voltage Transition: The substitute uses 5 VDC LED illumination instead of 5 VAC incandescent. Verify that the control circuit can supply DC voltage to the illumination circuit. LED operation typically requires lower power consumption than incandescent illumination.

2. Panel Cutout Modification: The substitute requires a 16.00 mm diameter panel cutout compared to the original 12.30 mm. Mechanical redesign of the mounting interface is necessary. Verify that panel material thickness and surrounding component spacing accommodate the larger cutout.

3. Termination Interface: The substitute offers both solder and quick-connect 0.110" (2.8mm) termination options, compared to the original solder lug termination. Select the termination method compatible with your circuit board or harness design.

4. Performance Enhancement: The substitute provides 10x higher mechanical life (1,000,000 cycles) and 2x higher electrical life (100,000 cycles), resulting in extended component reliability and reduced maintenance frequency.

5. Compliance Verification: Confirm RoHS and REACH compliance status of the substitute part for applications subject to regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the YB15SKW01-5F05-JF be used as a direct drop-in replacement for the KB15SKW01-05-FF?

A: Electrical substitution is possible; however, mechanical and termination modifications are required. The larger panel cutout (16.00 mm vs. 12.30 mm) necessitates panel redesign. Termination style differs and must be adapted to your circuit interface. Illumination voltage type changes from AC to DC, requiring circuit verification.

Q: What is the impact of changing from incandescent to LED illumination?

A: LED illumination operates at 5 VDC instead of 5 VAC, reducing power consumption and extending operational life. The control circuit must be capable of supplying DC voltage to the illumination circuit. LED brightness and color characteristics may differ slightly from incandescent illumination.

Q: Is the higher current rating (3A vs. 1A) of the substitute part a concern?

A: No. Higher current ratings are backward compatible with lower-current applications. The substitute can safely handle circuits designed for 1A operation. This enhancement provides additional design margin and reliability.

Q: What mechanical modifications are required for panel integration?

A: The panel cutout diameter must be enlarged from 12.30 mm to 16.00 mm. Verify that the panel material thickness, surrounding component spacing, and structural integrity support this modification. Consult mechanical design guidelines for your specific panel assembly.

Q: Are there any compliance or certification differences between the two parts?

A: The original part is ROHS3 compliant. Verify the RoHS and REACH compliance status of the substitute part for applications subject to regulatory requirements. Both parts carry the same ECCN and HTSUS classifications.

Q: Can the quick-connect termination of the substitute be used instead of soldering?

A: Yes. The YB15SKW01-5F05-JF offers both solder and quick-connect 0.110" (2.8mm) termination options. Select the termination method compatible with your circuit board or harness design. Quick-connect termination may simplify assembly and field replacement procedures.