KB15RKW01-12-FF Equivalent & Substitute Parts

Part Overview

The KB15RKW01-12-FF is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 1A current rating at 125V AC. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The switch combines standard pushbutton operation with incandescent green illumination, designed for panel-mount front installation with solder lug termination.

Substiute Parts

KB15RKW01-12-FF

NKK SwitchesIn Stock: 1136KB15RKW01-12-FF Datasheet

Current PartRFQ

YB15RKW01-5F12-JF

NKK SwitchesIn Stock: 764YB15RKW01-5F12-JF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the KB15RKW01-12-FF is determined by the following critical parameters:

Circuit configuration must remain SPDT to maintain electrical functionality within the host system. Voltage ratings (125V AC / 30V DC) establish the maximum operational envelope and cannot be exceeded. Current rating of 1A represents the minimum threshold; substitute parts with equal or higher current capacity (3A) are acceptable as they provide operational margin without compromising circuit performance.

Mounting type (Panel Mount, Front) and panel cutout dimensions (12.30mm circular) define mechanical compatibility. The substitute part YB15RKW01-5F12-JF features a 16.00mm panel cutout, requiring mechanical redesign of the mounting interface.

Illumination parameters (color, voltage, type) determine visual feedback consistency. The substitute transitions from incandescent 12 VAC to LED 12 VDC illumination, requiring electrical circuit modification for the illumination supply.

Termination style differs between solder lug (main part) and solder/quick connect (substitute), necessitating wiring harness adaptation.

Parameter Comparison

Engineering Selection Recommendations

The YB15RKW01-5F12-JF serves as a functional substitute for the obsolete KB15RKW01-12-FF based on equivalent SPDT circuit configuration, matching voltage ratings, and superior electrical/mechanical life specifications. Both components maintain ROHS3 compliance and identical operating temperature ranges.

Selection of the YB15RKW01-5F12-JF requires accommodation of the following design modifications: panel cutout enlargement from 12.30mm to 16.00mm diameter, illumination supply conversion from 12 VAC incandescent to 12 VDC LED, and termination interface adaptation from solder lug to solder/quick connect configuration. The substitute's 3A current rating provides operational margin above the original 1A specification.

The active product status of YB15RKW01-5F12-JF ensures ongoing availability and manufacturing support, addressing the procurement constraints imposed by the KB15RKW01-12-FF obsolescence.

Frequently Asked Questions (FAQ)

Q: Can YB15RKW01-5F12-JF directly replace KB15RKW01-12-FF without modifications?

A: No. While both components share identical SPDT circuit configuration and voltage ratings, mechanical and electrical interface differences require design modifications. Panel cutout diameter increases from 12.30mm to 16.00mm, illumination supply changes from 12 VAC incandescent to 12 VDC LED, and termination transitions from solder lug to solder/quick connect.

Q: Are the voltage and current ratings compatible?

A: Yes. The substitute maintains 125V AC and 30V DC voltage ratings. The 3A current rating of YB15RKW01-5F12-JF exceeds the original 1A specification, providing operational margin without circuit degradation.

Q: What is the impact of the illumination technology change?

A: The transition from incandescent to LED illumination requires modification of the illumination power supply circuit. The original 12 VAC supply must be replaced with 12 VDC. LED illumination provides extended operational life and reduced power consumption compared to incandescent technology.

Q: How do the mechanical life specifications compare?

A: YB15RKW01-5F12-JF provides 1,000,000 mechanical cycles versus 100,000 cycles for KB15RKW01-12-FF, representing a 10-fold improvement in mechanical durability. Electrical life increases from 50,000 to 100,000 cycles.

Q: What packaging considerations apply to the substitute part?

A: YB15RKW01-5F12-JF is supplied in bulk packaging, whereas KB15RKW01-12-FF packaging format is not specified in available documentation. Procurement quantities and handling procedures may differ accordingly.