KB15SKW01-12-EB Equivalent & Substitute Parts

Part Overview

The KB15SKW01-12-EB is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT circuit configuration with 1A current rating at 125V AC. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system maintenance and new design implementations. The switch combines standard illumination with panel-mount front installation, making it suitable for control panel applications requiring visual feedback.

Substiute Parts

KB15SKW01-12-EB

NKK SwitchesIn Stock: 1112KB15SKW01-12-EB Datasheet

Current PartRFQ

YB15SKW01-5D12-JD

NKK SwitchesIn Stock: 1001YB15SKW01-5D12-JD Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB15SKW01-12-EB is determined by the following critical parameters:

Circuit configuration must remain SPDT to maintain electrical compatibility with existing control logic. Mounting type must be panel mount, front installation to ensure mechanical fit within control panel assemblies. Operating temperature range must encompass or match the specified -25°C to 50°C envelope. Voltage ratings must support the 125V AC and 30V DC operating conditions of the original application.

The YB15SKW01-5D12-JD qualifies as a substitute based on matching SPDT circuit, panel mount front configuration, identical voltage ratings (125V AC / 30V DC), and compatible operating temperature range. Differences in current rating (3A versus 1A), illumination technology (LED versus incandescent), and panel cutout diameter (16.00mm versus 12.30mm) represent functional enhancements and mechanical variations that do not preclude substitution in applications where these parameters are acceptable.

Parameter Comparison

Engineering Selection Recommendations

The YB15SKW01-5D12-JD is the designated substitute for KB15SKW01-12-EB applications. Selection is supported by the following factors:

Active product status ensures ongoing availability and manufacturer support, addressing the obsolescence constraint of the original component. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements. Identical voltage ratings and operating temperature specifications confirm electrical and environmental compatibility.

The substitute exhibits enhanced performance characteristics: 3A current rating provides increased switching capacity relative to the 1A original specification, LED illumination replaces incandescent technology with improved reliability and reduced power consumption, and mechanical life extends to 1,000,000 cycles compared to 100,000 cycles in the original design.

Panel cutout diameter increases from 12.30mm to 16.00mm, requiring mechanical panel modification. Illumination voltage changes from 12 VAC to 12 VDC, necessitating verification of illumination circuit compatibility. Termination style transitions from solder lug to solder with quick connect 0.110" (2.8mm) options, requiring connector compatibility assessment.

Frequently Asked Questions (FAQ)

Q: Can YB15SKW01-5D12-JD directly replace KB15SKW01-12-EB without modifications?

A: Direct replacement requires panel cutout modification due to diameter increase from 12.30mm to 16.00mm. Illumination circuit must support 12 VDC instead of 12 VAC. Termination connector compatibility must be verified against existing solder lug connections.

Q: What are the critical compatibility parameters for substitution?

A: SPDT circuit configuration, panel mount front installation, 125V AC / 30V DC voltage ratings, and -25°C to 50°C operating temperature range must be maintained. These parameters ensure functional equivalence in control panel applications.

Q: Does the increased current rating of YB15SKW01-5D12-JD affect circuit design?

A: The 3A rating of the substitute exceeds the 1A original specification. This represents a functional enhancement that does not require circuit modification. Existing 1A-rated circuits remain compatible with the higher-capacity switch.

Q: What packaging differences exist between these parts?

A: KB15SKW01-12-EB is supplied in standard packaging. YB15SKW01-5D12-JD is supplied in tray packaging. Both maintain MSL 1 (Unlimited) moisture sensitivity rating, indicating no special storage requirements.

Q: How do illumination technology differences impact system design?

A: KB15SKW01-12-EB uses incandescent illumination at 12 VAC. YB15SKW01-5D12-JD uses LED illumination at 12 VDC. LED technology provides extended operational life and reduced power consumption. Illumination circuit voltage source must be verified for compatibility.