KB15CKW01-05-FF Equivalent & Substitute Parts

Part Overview

The KB15CKW01-05-FF is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with a 1A current rating at 125V AC. This component is designed for panel-mounted front applications with incandescent green illumination at 5VAC. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing maintenance, repair, and system upgrades where this switch type is required.

Substiute Parts

KB15CKW01-05-FF

NKK SwitchesIn Stock: 1114KB15CKW01-05-FF Datasheet

Current PartRFQ

YB15CKW01-5F05-JF

NKK SwitchesIn Stock: 1214YB15CKW01-5F05-JF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The YB15CKW01-5F05-JF qualifies as a substitute for the KB15CKW01-05-FF based on the following critical parameters:

Matching Parameters:

• Circuit configuration: SPDT
• Switch function: On-Momentary
• Voltage rating (AC): 125V
• Voltage rating (DC): 30V
• Mounting type: Panel Mount, Front
• Actuator type: Round Button
• Operating temperature range: -25°C to 50°C
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Allowable Differences:

• Current rating increased from 1A to 3A (higher rating accommodates original application requirements)
• Illumination technology upgraded from incandescent to LED with 5VDC supply
• Panel cutout diameter increased from 12.30mm to 16.00mm (requires panel modification)
• Mechanical life upgraded from 100,000 to 1,000,000 cycles
• Electrical life upgraded from 50,000 to 100,000 cycles
• Termination style changed from solder lug to solder with quick connect 0.110" (2.8mm)
• Product status: Active (versus obsolete)

Parameter Comparison

Engineering Selection Recommendations

The YB15CKW01-5F05-JF is an active product with current manufacturing support and full ROHS3 compliance, addressing the obsolescence status of the KB15CKW01-05-FF. Both components maintain identical voltage ratings, circuit topology, and operating temperature specifications, ensuring functional compatibility in the original application context.

The substitute part provides enhanced reliability through increased mechanical and electrical life ratings. The higher current rating (3A versus 1A) ensures margin for the original 1A application requirement. LED illumination technology in the substitute offers improved efficiency and longer operational life compared to incandescent illumination.

Implementation requires mechanical panel modification to accommodate the larger 16.00mm cutout diameter and electrical connection adjustment for the quick-connect termination style. The illumination supply must transition from 5VAC to 5VDC to match the LED specification.

Frequently Asked Questions (FAQ)

Q: Can the YB15CKW01-5F05-JF directly replace the KB15CKW01-05-FF without modifications?

A: Functional substitution is possible with two required modifications: panel cutout enlargement from 12.30mm to 16.00mm diameter, and termination connection adjustment from solder lug to quick-connect 0.110" (2.8mm) style. Illumination supply voltage must change from 5VAC to 5VDC.

Q: Are the electrical ratings compatible?

A: Yes. Both components maintain 125V AC and 30V DC voltage ratings. The substitute's 3A current rating exceeds the original 1A requirement, providing operational margin without compromising the application.

Q: What is the impact of changing from incandescent to LED illumination?

A: LED illumination provides extended operational life, reduced power consumption, and improved reliability. The functional green indicator output remains identical. The supply voltage specification changes from 5VAC to 5VDC.

Q: Does the larger panel cutout diameter affect compatibility?

A: The 16.00mm diameter cutout is larger than the original 12.30mm specification. Panel modification is required. Verify that the enlarged cutout does not compromise panel structural integrity or create unintended clearance issues with adjacent components.

Q: Are both components RoHS compliant?

A: Yes. Both the KB15CKW01-05-FF and YB15CKW01-5F05-JF are ROHS3 compliant with MSL rating 1 (unlimited moisture sensitivity level).

Q: What is the advantage of the substitute's higher mechanical and electrical life ratings?

A: The YB15CKW01-5F05-JF provides 1,000,000 mechanical cycles and 100,000 electrical cycles compared to 100,000 and 50,000 cycles respectively in the original part. This extended life rating increases component reliability and reduces replacement frequency in high-cycle applications.