KB26SKW01-5C12-JC Equivalent & Substitute Parts

Part Overview

The KB26SKW01-5C12-JC is a DPDT pushbutton switch manufactured by NKK Switches, designed for panel-mount applications with integrated LED illumination. This component features a 1A current rating at 125V AC and 30V DC, with a square button actuator and red LED indicator powered at 12VDC. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations.

Substiute Parts

KB26SKW01-5C12-JC

NKK SwitchesIn Stock: 1109KB26SKW01-5C12-JC Datasheet

Current PartRFQ

YB26SKW01-5C12-JC

NKK SwitchesIn Stock: 1070YB26SKW01-5C12-JC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB26SKW01-5C12-JC is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: DPDT
• Switch function: On-On
• Mounting type: Panel Mount, Front
• Illumination type and color: LED, Red
• Illumination voltage: 12VDC
• Actuator type: Square Button
• Operating temperature range: -25°C to 50°C
• Voltage ratings: 125V AC / 30V DC minimum

Allowable Variation Parameters:

• Current rating: May exceed 1A (higher current capability is acceptable)
• Mechanical and electrical life: May exceed specified values
• Panel cutout diameter: Variation acceptable if mechanical mounting can be accommodated
• Termination style: Alternative termination methods acceptable if electrical connection is maintained
• Product status: Active status preferred for ongoing availability

The YB26SKW01-5C12-JC meets all mandatory matching criteria while offering enhanced electrical characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

The YB26SKW01-5C12-JC is a suitable substitute for the obsolete KB26SKW01-5C12-JC based on the following engineering criteria:

Functional Compatibility: Both components share identical circuit configuration (DPDT), switch function (On-On), illumination specifications (LED, Red, 12VDC), and voltage ratings (125V AC / 30V DC). The YB series component maintains full electrical and functional equivalence.

Enhanced Performance: The substitute part provides superior electrical characteristics with 3A current rating versus 1A, and doubled mechanical and electrical life ratings (200,000 and 100,000 cycles respectively). These enhancements ensure greater reliability and extended service life in the target application.

Product Availability: The YB26SKW01-5C12-JC maintains active product status with confirmed inventory availability, addressing the obsolescence of the original KB series component.

Mechanical Considerations: The panel cutout diameter increases from 12.30mm to 16.00mm. Panel modifications may be required to accommodate the larger mounting aperture. Termination style changes from solder lug to solder with quick connect option, providing improved serviceability.

Compliance: Both components maintain MSL 1 (Unlimited) moisture sensitivity rating and EAR99 ECCN classification. The substitute part is suitable for applications requiring ROHS3 compliance equivalent to the original component.

Frequently Asked Questions (FAQ)

Q: Can the YB26SKW01-5C12-JC directly replace the KB26SKW01-5C12-JC without circuit modifications?

A: Yes, from an electrical standpoint. Both components are DPDT switches with identical voltage ratings (125V AC / 30V DC) and illumination specifications (LED, Red, 12VDC). The higher current rating of the substitute (3A versus 1A) is backward compatible with circuits designed for 1A operation. However, panel cutout diameter differences (12.30mm versus 16.00mm) require mechanical evaluation.

Q: What is the impact of the panel cutout diameter change from 12.30mm to 16.00mm?

A: The larger cutout diameter of the YB26SKW01-5C12-JC requires modification to existing panel mounting holes. If the original panel is designed with a 12.30mm aperture, enlargement to 16.00mm will be necessary for proper mechanical fit. This is a mechanical consideration only and does not affect electrical functionality.

Q: Are the termination styles compatible?

A: The KB26SKW01-5C12-JC uses solder lug termination, while the YB26SKW01-5C12-JC offers solder with quick connect (0.110" / 2.8mm) options. Both termination methods provide electrical connection capability. Quick connect termination may offer improved serviceability for field replacement scenarios. Existing solder connections will require rework to accommodate the new termination style.

Q: Does the increased current rating of the YB26SKW01-5C12-JC affect circuit design?

A: No. The 3A rating of the substitute component exceeds the 1A requirement of the original design, providing additional design margin. Circuits designed for 1A operation will function correctly with the higher-rated component. The increased current capability does not impose additional requirements on the circuit.

Q: What is the significance of the doubled mechanical and electrical life ratings?

A: The YB26SKW01-5C12-JC provides 200,000 mechanical cycles and 100,000 electrical cycles compared to 100,000 and 50,000 cycles respectively for the KB26SKW01-5C12-JC. This represents extended component longevity and improved reliability for applications requiring frequent switch actuation.

Q: Is RoHS3 compliance maintained with the substitute part?

A: The KB26SKW01-5C12-JC is explicitly ROHS3 compliant. The YB26SKW01-5C12-JC RoHS status is not specified in available documentation. For applications requiring verified ROHS3 compliance, confirmation with the manufacturer is recommended prior to implementation.