KB16SKW01-BB Equivalent & Substitute Parts

Part Overview

The KB16SKW01-BB is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with on-on switching function. This component is rated for 1A at 125V AC and 30V DC, with a panel-mount front configuration and solder lug termination. The product is currently obsolete, with 878 units available in new original stock. Due to its obsolete status, identifying functionally compatible substitute parts is essential for ongoing system maintenance and new design implementations.

Substiute Parts

KB16SKW01-BB

NKK SwitchesIn Stock: 973KB16SKW01-BB Datasheet

Current PartRFQ

YB16SKW01-BB

NKK SwitchesIn Stock: 731YB16SKW01-BB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB16SKW01-BB is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: SPDT
• Switch function: On-On
• Voltage rating: 125V AC minimum, 30V DC minimum
• Mounting type: Panel Mount, Front
• Actuator type: Square, Button
• Operating temperature range: -25°C to 70°C minimum
• RoHS compliance status

Allowable Variations:

• Current rating may exceed 1A (higher current capacity is backward compatible)
• Mechanical and electrical life may exceed specified values
• Panel cutout diameter may differ if mechanical integration is redesigned
• Termination style may differ if circuit board layout permits accommodation
• Actuator color variations are acceptable for functional equivalence

The YB16SKW01-BB meets all mandatory matching parameters while exceeding performance specifications in current rating (3A), mechanical life (200,000 cycles), and electrical life (100,000 cycles). However, termination style and panel cutout dimensions differ, requiring mechanical and electrical integration assessment.

Parameter Comparison

Engineering Selection Recommendations

The YB16SKW01-BB is functionally equivalent to the KB16SKW01-BB for SPDT on-on switching applications within the specified voltage and current parameters. The substitute part is currently in active production status, ensuring long-term availability compared to the obsolete KB16SKW01-BB.

Integration Considerations:

The YB16SKW01-BB features a larger panel cutout diameter (16.00mm versus 12.30mm) and mixed termination options (Solder and Quick Connect 0.110" versus Solder Lug only). These differences require mechanical panel redesign and potential circuit board layout modification. The higher current rating (3A versus 1A) and extended mechanical/electrical life provide performance margin for demanding applications.

Both parts maintain identical voltage ratings, operating temperature ranges, and moisture sensitivity classification. RoHS3 compliance is confirmed for the main part; compliance status for the substitute should be verified with the manufacturer if regulatory documentation is required.

Frequently Asked Questions (FAQ)

Q: Can the YB16SKW01-BB directly replace the KB16SKW01-BB without modification?

A: Functional substitution is possible, but mechanical and electrical integration changes are required. The panel cutout diameter differs (16.00mm versus 12.30mm), necessitating panel modification. Termination style differences (mixed Solder/Quick Connect versus Solder Lug) require circuit board layout assessment.

Q: What are the key compatibility criteria for substitution?

A: SPDT circuit configuration, on-on switch function, 125V AC and 30V DC voltage ratings, panel-mount front configuration, and square button actuator type must be maintained. Operating temperature range (-25°C to 70°C) and moisture sensitivity classification must match or exceed the original specification.

Q: Does the higher current rating of the YB16SKW01-BB affect compatibility?

A: No. A 3A current rating is backward compatible with applications designed for 1A operation. The substitute part provides additional current capacity margin without compromising functionality in lower-current circuits.

Q: Are there RoHS compliance differences between these parts?

A: The KB16SKW01-BB is confirmed ROHS3 compliant. RoHS compliance status for the YB16SKW01-BB is not specified in the provided data and should be confirmed with NKK Switches if regulatory compliance documentation is required.

Q: What is the impact of the different panel cutout dimensions?

A: The YB16SKW01-BB requires a 16.00mm diameter cutout compared to 12.30mm for the KB16SKW01-BB. Existing panel designs must be mechanically modified to accommodate the larger opening. This is a design-level change, not a component-level substitution.

Q: How do the mechanical and electrical life ratings compare?

A: The YB16SKW01-BB provides doubled mechanical life (200,000 versus 100,000 cycles) and doubled electrical life (100,000 versus 50,000 cycles). These improvements extend component service life in high-cycle applications without introducing compatibility issues.