KB16KKW01-5F-JF Equivalent & Substitute Parts

Part Overview

The KB16KKW01-5F-JF is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with illuminated panel mount design. This component is rated for 1A at 125V AC and includes green LED illumination. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Key Parameters

Parameter	Value
Manufacturer	NKK Switches
Circuit Configuration	SPDT
Switch Function	On-On
Current Rating	1A (AC/DC)
Voltage Rating - AC	125V
Voltage Rating - DC	30V
Mounting Type	Panel Mount, Snap-In
Illumination Type	LED, Green
Illumination Voltage	2.1 VDC
Actuator Type	Square, Button
Termination Style	Solder Lug
Panel Cutout Diameter	12.30mm
Operating Temperature Range	-25°C to 50°C
Mechanical Life	100,000 Cycles
Electrical Life	50,000 Cycles
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

The YB16KKW01-5F-JF qualifies as a substitute based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

SPDT circuit configuration and On-On switch function
125V AC voltage rating (primary operating voltage)
30V DC voltage rating
Panel mount, snap-in mounting type
Green LED illumination with compatible voltage range (2.2 VDC vs. 2.1 VDC nominal)
Square button actuator type
Operating temperature range (-25°C to 50°C)
ROHS3 compliance and MSL 1 rating

Differing Parameters:

Current rating increased from 1A to 3A
Panel cutout diameter increased from 12.30mm to 16.00mm
Mechanical life extended from 100,000 to 200,000 cycles
Electrical life extended from 50,000 to 100,000 cycles
Termination style changed from solder lug to solder/quick connect
Packaging changed from standard to tray
Product status changed from obsolete to active

The substitute part maintains functional equivalence for SPDT switching applications while offering enhanced electrical capacity and mechanical durability.

Parameter Comparison

Parameter	KB16KKW01-5F-JF	YB16KKW01-5F-JF
Manufacturer	NKK Switches	NKK Switches
Circuit Configuration	SPDT	SPDT
Switch Function	On-On	On-On
Current Rating (AC/DC)	1A	3A
Voltage Rating - AC	125V	125V
Voltage Rating - DC	30V	30V
Mounting Type	Panel Mount, Snap-In	Panel Mount, Snap-In
Illumination Type, Color	LED, Green	LED, Green
Illumination Voltage (Nominal)	2.1 VDC	2.2 VDC
Actuator Type	Square, Button	Square, Button
Panel Cutout Dimensions	Circular - 12.30mm Dia	Circular - 16.00mm Dia
Operating Temperature	-25°C to 50°C	-25°C to 50°C
Mechanical Life	100,000 Cycles	200,000 Cycles
Electrical Life	50,000 Cycles	100,000 Cycles
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active

Engineering Selection Recommendations

The YB16KKW01-5F-JF is the designated substitute for KB16KKW01-5F-JF applications. Selection is supported by:

Regulatory Compliance: Both parts maintain ROHS3 compliance and MSL 1 rating, ensuring equivalent environmental and handling requirements.
Product Availability: The substitute is active in production with documented inventory, whereas the original part is obsolete.
Electrical Compatibility: Voltage ratings and circuit configuration are identical, ensuring direct functional replacement in 125V AC switching applications.
Mechanical Compatibility: Both parts use identical panel mount snap-in design with SPDT On-On switching function.

Design considerations for panel integration include the increased panel cutout diameter (16.00mm vs. 12.30mm) and termination style change from solder lug to solder/quick connect options. The enhanced current rating (3A vs. 1A) and extended mechanical/electrical life provide improved performance margins for the application.

Frequently Asked Questions (FAQ)

Q: Can YB16KKW01-5F-JF directly replace KB16KKW01-5F-JF in existing designs?

A: Functional replacement is supported for SPDT switching applications at 125V AC. Panel cutout diameter modification from 12.30mm to 16.00mm is required. Termination style differs; verify connector compatibility with existing wiring harness or PCB design.

Q: What is the impact of the increased current rating (3A vs. 1A)?

A: The substitute part supports higher current loads. Existing applications operating below 1A are fully compatible. Applications requiring current capacity between 1A and 3A benefit from the enhanced rating without circuit modification.

Q: Are the illumination voltages compatible?

A: Yes. The nominal illumination voltage increases from 2.1 VDC to 2.2 VDC, a 0.1V difference within typical LED operating tolerance. Existing illumination circuits designed for 2.1V operation remain functional.

Q: Does the panel cutout size change affect mechanical installation?

A: Yes. The panel cutout diameter increases from 12.30mm to 16.00mm. Panel drilling or modification is required for physical installation. Snap-in mounting mechanism remains identical.

Q: What termination options are available for the substitute part?

A: YB16KKW01-5F-JF offers solder and quick connect (0.110" / 2.8mm) termination options, compared to solder lug only for the original part. Select termination style based on PCB or harness connector requirements.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both parts operate across -25°C to 50°C, ensuring equivalent thermal performance in the specified environment.

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