KB26SKW01B-6G-JB Equivalent & Substitute Parts

Part Overview

The KB26SKW01B-6G-JB is a pushbutton switch manufactured by NKK Switches, configured as a DPDT (Double Pole Double Throw) illuminated panel mount component with a 1A current rating at 125V AC. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations where this specific model is no longer available through standard distribution channels.

Substiute Parts

KB26SKW01B-6G-JB

NKK SwitchesIn Stock: 1000KB26SKW01B-6G-JB Datasheet

Current PartRFQ

YB26SKW01B-6G-JB

NKK SwitchesIn Stock: 767YB26SKW01B-6G-JB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB26SKW01B-6G-JB is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: DPDT
• Switch function: On-On
• Mounting type: Panel Mount, Front
• Illumination type: LED, Blue
• Voltage rating: 125V AC / 30V DC minimum
• Operating temperature range: -25°C to 50°C minimum
• RoHS compliance status

Allowable Variation Parameters:

• Current rating: May exceed 1A (higher current ratings are backward compatible for lower-current applications)
• Mechanical and electrical life: May exceed specified cycles
• Panel cutout diameter: Mechanical accommodation required in panel design
• Illumination voltage: Minor variations acceptable within LED operating range
• Termination style: Functional equivalence required

The YB26SKW01B-6G-JB qualifies as a substitute based on matching all mandatory parameters while exceeding performance specifications in current rating, mechanical life, and electrical life.

Parameter Comparison

Engineering Selection Recommendations

The YB26SKW01B-6G-JB is a qualified substitute for the obsolete KB26SKW01B-6G-JB based on the following engineering criteria:

Compliance and Status: The substitute part is currently active in production, ensuring availability and supply chain continuity. Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, supporting equivalent environmental and regulatory requirements.

Electrical Compatibility: The substitute maintains identical voltage ratings (125V AC / 30V DC) and operating temperature range (-25°C to 50°C). The increased current rating of 3A versus 1A provides enhanced capacity for the same circuit configuration, making it suitable for applications originally designed for the 1A specification.

Mechanical Considerations: The panel cutout diameter increases from 12.30mm to 16.00mm. Panel modifications are required to accommodate this dimensional change. The termination style differs (Solder Lug versus Solder/Quick Connect), requiring verification of connection compatibility with existing wiring harnesses or PCB layouts.

Performance Enhancement: The substitute offers doubled mechanical life (200,000 versus 100,000 cycles) and doubled electrical life (100,000 versus 50,000 cycles), providing extended operational durability.

Frequently Asked Questions (FAQ)

Q: Can the YB26SKW01B-6G-JB directly replace the KB26SKW01B-6G-JB without modifications?

A: Electrical and functional compatibility is confirmed. However, the larger panel cutout diameter (16.00mm versus 12.30mm) requires panel modification. Termination style differences must be evaluated against your specific wiring or PCB connection requirements.

Q: What is the impact of the 3A current rating on a 1A application?

A: The higher current rating is backward compatible. A 3A-rated switch safely handles 1A loads. No circuit redesign is necessary for current-limited applications.

Q: Are the illumination voltages interchangeable?

A: The illumination voltages are 3.6 VDC (main part) and 3.3 VDC (substitute). Both operate within standard LED operating ranges. Verify your illumination circuit voltage supply to confirm compatibility.

Q: What are the implications of the different termination styles?

A: The KB26SKW01B-6G-JB uses Solder Lug termination, while the YB26SKW01B-6G-JB offers Solder and Quick Connect (0.110" / 2.8mm) options. Confirm your assembly process and connection infrastructure support the substitute's termination method.

Q: Does the increased mechanical and electrical life affect compatibility?

A: No. Extended life specifications represent performance enhancements and do not impact functional compatibility with systems designed for the original part's specifications.

Q: Are both parts RoHS compliant?

A: Yes. Both KB26SKW01B-6G-JB and YB26SKW01B-6G-JB are ROHS3 compliant, meeting equivalent environmental and regulatory standards.