KB25CKW01-5F-JB Equivalent & Substitute Parts

Part Overview

The KB25CKW01-5F-JB is a pushbutton switch manufactured by NKK Switches, featuring DPDT (Double Pole Double Throw) circuitry with illuminated panel mount design. This component operates at 1A (AC/DC) with 125V AC and 30V DC voltage ratings, incorporating green LED illumination at 2.1VDC nominal. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system maintenance and new designs requiring similar electrical and mechanical characteristics.

Substiute Parts

KB25CKW01-5F-JB

NKK SwitchesIn Stock: 1003KB25CKW01-5F-JB Datasheet

Current PartRFQ

YB25CKW01-5F-JB

NKK SwitchesIn Stock: 1009YB25CKW01-5F-JB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB25CKW01-5F-JB is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: DPDT
• Switch function: On-Mom
• Mounting type: Panel Mount, Front
• Illumination type: LED, Green
• Actuator type: Round, Button
• Operating temperature range: -25°C ~ 50°C
• Voltage ratings: 125V AC minimum, 30V DC minimum
• RoHS compliance: ROHS3 Compliant

Allowable Variations:

• Current rating: May exceed 1A (AC/DC) without functional impact
• Mechanical and electrical life: May exceed specified cycles
• Panel cutout diameter: Larger dimensions require mechanical redesign
• Termination style: Variations require circuit board layout modification
• Illumination voltage: Minor deviations within LED operating range acceptable

The YB25CKW01-5F-JB meets all mandatory matching parameters while exceeding performance specifications in current rating, mechanical life, and electrical life.

Parameter Comparison

Engineering Selection Recommendations

The YB25CKW01-5F-JB is a direct functional equivalent to the KB25CKW01-5F-JB. Both components are manufactured by NKK Switches and maintain identical electrical specifications for circuit configuration, voltage ratings, and illumination characteristics. The substitute part carries Active product status, ensuring continued availability and supply chain reliability compared to the Obsolete KB25CKW01-5F-JB.

The YB25CKW01-5F-JB provides enhanced performance margins with 3A current rating versus 1A, 1,000,000 mechanical cycles versus 100,000, and 100,000 electrical cycles versus 50,000. Both parts maintain ROHS3 compliance and MSL 1 rating, satisfying regulatory and environmental requirements.

Integration considerations include panel cutout diameter increase from 12.30mm to 16.00mm and termination style variation from Solder Lug to Solder with Quick Connect 0.110" (2.8mm). These mechanical differences require circuit board and panel design modifications.

Frequently Asked Questions (FAQ)

Q: Can the YB25CKW01-5F-JB directly replace the KB25CKW01-5F-JB without circuit modifications?

A: Electrical substitution is direct. The DPDT circuit configuration, On-Mom function, voltage ratings (125V AC, 30V DC), and LED illumination (green, 2VDC nominal) are identical. However, the panel cutout diameter increases from 12.30mm to 16.00mm, requiring mechanical panel redesign. Termination style changes from Solder Lug to Solder with Quick Connect 0.110" (2.8mm), necessitating circuit board layout modification.

Q: What are the key differences between these two parts?

A: The YB25CKW01-5F-JB exceeds the KB25CKW01-5F-JB in current rating (3A versus 1A), mechanical life (1,000,000 versus 100,000 cycles), and electrical life (100,000 versus 50,000 cycles). The substitute part maintains Active product status, ensuring long-term availability. Illumination voltage differs slightly (2VDC versus 2.1VDC nominal), remaining within LED operating tolerance.

Q: Are there compliance or certification differences?

A: Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating. Regulatory classifications (ECCN: EAR99, HTSUS: 8536.50.9031) are identical. No compliance barriers exist for substitution.

Q: What is the impact of the larger panel cutout diameter?

A: The YB25CKW01-5F-JB requires a 16.00mm circular panel cutout versus 12.30mm for the KB25CKW01-5F-JB. Existing panel designs must be mechanically modified to accommodate the larger diameter. This is a mechanical constraint, not an electrical limitation.

Q: Does the termination style change affect circuit board design?

A: Yes. The KB25CKW01-5F-JB uses Solder Lug termination, while the YB25CKW01-5F-JB uses Solder with Quick Connect 0.110" (2.8mm) termination. Circuit board pad layout and connection methodology require redesign to accommodate the Quick Connect terminals.