KB15KKW01-FF Equivalent & Substitute Parts

Part Overview

The KB15KKW01-FF is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 1A current rating at 125V AC and 30V DC. The switch employs a standard panel mount, snap-in design with a green square button actuator and solder lug termination. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

KB15KKW01-FF

NKK SwitchesIn Stock: 1157KB15KKW01-FF Datasheet

Current PartRFQ

YB15KKW01-FB

NKK SwitchesIn Stock: 763YB15KKW01-FB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KB15KKW01-FF is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Circuit configuration (SPDT)
• Switch function (On-Mom momentary operation)
• Voltage ratings (125V AC minimum, 30V DC minimum)
• Mounting type (Panel Mount, Snap-In)
• Actuator type (Square, Button)
• Operating temperature range (-25°C to 70°C minimum)

Allowable Variation Parameters:

• Current rating (substitute must equal or exceed 1A)
• Mechanical and electrical life cycles (substitute must equal or exceed specified values)
• Panel cutout diameter (physical accommodation required)
• Termination style (alternative termination acceptable if electrically equivalent)
• Actuator color (functional equivalence)

The YB15KKW01-FB meets all mandatory compatibility criteria while exceeding performance specifications in current rating (3A), mechanical life (1,000,000 cycles), and electrical life (100,000 cycles). Differences in panel cutout diameter (16.00mm vs. 12.30mm) and termination style (Solder, Quick Connect vs. Solder Lug) require mechanical and electrical interface verification during integration.

Parameter Comparison

Engineering Selection Recommendations

The YB15KKW01-FB is an active product from NKK Switches and represents a viable substitute for the obsolete KB15KKW01-FF. Both components maintain ROHS3 compliance and identical voltage/temperature specifications. The substitute provides enhanced performance through increased current capacity (3A vs. 1A) and extended mechanical/electrical life cycles, making it suitable for applications requiring higher reliability margins.

Integration of the YB15KKW01-FB requires accommodation of the larger panel cutout diameter (16.00mm vs. 12.30mm) and evaluation of the alternative termination style (Quick Connect 0.110" in addition to solder capability). The stainless steel construction of the substitute offers improved environmental resistance compared to the main part specification.

Frequently Asked Questions (FAQ)

Q: Can the YB15KKW01-FB directly replace the KB15KKW01-FF without modification?

A: Electrical substitution is valid based on circuit configuration, voltage ratings, and operating temperature alignment. Mechanical integration requires panel cutout enlargement from 12.30mm to 16.00mm diameter and termination interface verification.

Q: What is the significance of the higher current rating (3A vs. 1A) in the substitute?

A: The YB15KKW01-FB's 3A rating provides operational margin above the 1A requirement of the KB15KKW01-FF. This allows the substitute to handle transient current conditions and provides design flexibility for future application modifications without component replacement.

Q: Are both parts RoHS compliant?

A: Yes. Both the KB15KKW01-FF and YB15KKW01-FB are ROHS3 compliant, meeting current environmental and hazardous substance restrictions.

Q: How do the mechanical life specifications differ?

A: The KB15KKW01-FF specifies 100,000 mechanical cycles, while the YB15KKW01-FB specifies 1,000,000 cycles. The substitute provides tenfold extended mechanical life, reducing replacement frequency in high-cycle applications.

Q: What termination options are available with the substitute?

A: The YB15KKW01-FB provides both solder and Quick Connect 0.110" (2.8mm) termination options, offering flexibility beyond the solder lug termination of the main part.

Q: Does the white filter/diffuser on the YB15KKW01-FB affect functionality?

A: The white filter/diffuser is an actuator visual characteristic and does not affect electrical or mechanical switch function. It represents a design variation in the green actuator presentation.