KB15SKW01B-A Equivalent & Substitute Parts

Part Overview

The KB15SKW01B-A 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 functionally equivalent alternatives essential for ongoing system maintenance and component procurement.

Substiute Parts

KB15SKW01B-A

NKK SwitchesIn Stock: 1059KB15SKW01B-A Datasheet

Current PartRFQ

YB15SKW01-FB

NKK SwitchesIn Stock: 1130YB15SKW01-FB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB15SKW01B-A is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit Configuration: SPDT
• Switch Function: On-Mom (Momentary)
• Voltage Rating - AC: 125V
• Voltage Rating - DC: 30V
• Mounting Type: Panel Mount, Front
• Operating Temperature Range: -25°C to 70°C
• RoHS Compliance: ROHS3 Compliant

Allowable Variation Parameters:

• Current Rating: Must meet or exceed 1A
• Mechanical Life: Must meet or exceed 100,000 cycles
• Electrical Life: Must meet or exceed 50,000 cycles
• Panel Cutout Diameter: Larger diameter acceptable with mechanical redesign consideration
• Termination Style: Alternative termination acceptable if electrically equivalent
• Actuator Color: Variation acceptable

The YB15SKW01-FB meets all mandatory matching parameters while exceeding performance specifications in current rating (3A), mechanical life (1,000,000 cycles), and electrical life (100,000 cycles), making it a valid substitute.

Parameter Comparison

Engineering Selection Recommendations

The YB15SKW01-FB is the identified equivalent substitute for the obsolete KB15SKW01B-A. Selection of this substitute is supported by the following factors:

Compliance & Regulatory Status: Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity in applications subject to environmental standards.

Product Lifecycle: The YB15SKW01-FB carries active product status, ensuring ongoing availability and manufacturer support, whereas the KB15SKW01B-A is obsolete and subject to supply discontinuation.

Electrical & Mechanical Performance: The substitute component exceeds the original specifications across all performance metrics. The 3A current rating provides additional design margin over the 1A requirement. Mechanical life of 1,000,000 cycles and electrical life of 100,000 cycles both exceed original specifications by tenfold and twofold respectively.

Physical Integration: Panel cutout diameter increases from 12.30mm to 16.00mm. Applications requiring the original cutout dimension will necessitate mechanical panel redesign or use of adapter hardware.

Termination Compatibility: Termination style changes from solder lug to solder with quick connect 0.110" (2.8mm). Electrical connection method must be evaluated against existing circuit board or wiring infrastructure.

Frequently Asked Questions (FAQ)

Q: Can the YB15SKW01-FB directly replace the KB15SKW01B-A without any modifications?

A: Electrical substitution is direct. The substitute meets all voltage, current, and circuit requirements. Physical integration requires evaluation of panel cutout diameter (16.00mm vs. 12.30mm) and termination style compatibility (quick connect vs. solder lug).

Q: What is the significance of the current rating increase from 1A to 3A?

A: The higher current rating of the substitute provides additional design margin and allows operation in applications with higher current demands. Existing 1A applications operate safely within the 3A rating.

Q: Are there any temperature or environmental differences between these components?

A: Both components operate across the identical temperature range of -25°C to 70°C. Environmental compliance (RoHS3, REACH) is equivalent.

Q: Why does the panel cutout diameter differ?

A: The YB15SKW01-FB uses a larger 16.00mm diameter cutout compared to the original 12.30mm. Panel modifications or mechanical adapters are required for physical installation in existing equipment designed for the original component.

Q: What is the difference in termination style and does it affect compatibility?

A: The KB15SKW01B-A uses solder lug termination, while the YB15SKW01-FB provides solder with quick connect 0.110" (2.8mm) termination. Circuit board or wiring connections must accommodate the quick connect terminal type.

Q: Is the YB15SKW01-FB available in the same packaging as the original?

A: The substitute is supplied in bulk packaging, whereas original packaging information for the KB15SKW01B-A is not specified. Packaging format should be confirmed with procurement requirements.