KB15SKW01-05-JC Equivalent & Substitute Parts

Part Overview

The KB15SKW01-05-JC is an illuminated pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 1A current rating at 125V AC. This component is designed for panel-mount front installation with incandescent red illumination at 5VAC nominal voltage. The product is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

KB15SKW01-05-JC
NKK SwitchesIn Stock: 750KB15SKW01-05-JC Datasheet
KB15SKW01-05-JC
Current Part
YB15SKW01-5C05-JC
NKK SwitchesIn Stock: 813YB15SKW01-5C05-JC Datasheet
YB15SKW01-5C05-JC
Similar

Key Parameters

Parameter Value
Manufacturer Part Number KB15SKW01-05-JC
Manufacturer NKK Switches
Circuit Configuration SPDT
Current Rating 1A (AC/DC)
Voltage Rating - AC 125V
Voltage Rating - DC 30V
Mounting Type Panel Mount, Front
Illumination Type Incandescent, Red
Illumination Voltage 5VAC
Panel Cutout Diameter 12.30mm
Operating Temperature Range -25°C to 50°C
Mechanical Life 100,000 Cycles
Electrical Life 50,000 Cycles
Product Status Obsolete
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the KB15SKW01-05-JC is determined by the following critical parameters:

Electrical Compatibility Requirements:

  • Circuit configuration must remain SPDT
  • Voltage ratings must meet or exceed 125V AC and 30V DC
  • Current rating must support minimum 1A operation
  • Switch function must maintain On-Momentary operation

Mechanical & Installation Requirements:

  • Mounting configuration must be Panel Mount, Front
  • Actuator type must be Square Button with no marking
  • Color specification must be Clear with Red Filter/Diffuser
  • Operating temperature range must encompass -25°C to 50°C

Illumination Requirements:

  • Illumination color must be Red
  • Illumination voltage must be compatible with 5V supply (5VAC or 5VDC)

Regulatory & Environmental Requirements:

  • RoHS3 compliance required
  • MSL rating of 1 (Unlimited) required
  • REACH Unaffected status required

The substitute part YB15SKW01-5C05-JC meets these criteria with enhanced performance characteristics in current rating, mechanical life, and electrical life specifications.

Parameter Comparison

Parameter KB15SKW01-05-JC (Main Part) YB15SKW01-5C05-JC (Substitute)
Manufacturer NKK Switches NKK Switches
Circuit Configuration SPDT SPDT
Switch Function On-Mom On-Mom
Current Rating 1A (AC/DC) 3A (AC/DC)
Voltage Rating - AC 125V 125V
Voltage Rating - DC 30V 30V
Mounting Type Panel Mount, Front Panel Mount, Front
Actuator Type Square, Button Square, Button
Actuator Marking No Marking No Marking
Color - Actuator/Cap Clear (Red Filter/Diffuser) Clear (Red Filter/Diffuser)
Illumination Type, Color Incandescent, Red LED, Red
Illumination Voltage 5VAC 5VDC
Operating Temperature -25°C to 50°C -25°C to 50°C
Mechanical Life 100,000 Cycles 1,000,000 Cycles
Electrical Life 50,000 Cycles 100,000 Cycles
RoHS Status ROHS3 Compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
Product Status Obsolete Active

Engineering Selection Recommendations

The YB15SKW01-5C05-JC serves as a direct functional substitute for the obsolete KB15SKW01-05-JC. Both components maintain identical electrical specifications for voltage and circuit configuration, with the substitute offering enhanced current capacity (3A versus 1A) and significantly improved mechanical and electrical life ratings.

The substitute part is classified as Active product status, ensuring continued availability and supply chain reliability. Both components maintain full ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for current manufacturing and deployment.

The primary technical difference is the illumination technology transition from incandescent to LED with corresponding voltage change from 5VAC to 5VDC. This change requires verification of the illumination circuit design in the host system to ensure compatibility with DC supply requirements. The panel cutout diameter increases from 12.30mm to 16.00mm, necessitating mechanical panel modification for installation.

Frequently Asked Questions (FAQ)

Q: Can YB15SKW01-5C05-JC directly replace KB15SKW01-05-JC without circuit modifications?

A: Electrical substitution is valid for switch operation. However, the illumination circuit requires modification: the original 5VAC incandescent supply must be replaced with 5VDC LED supply. Additionally, the panel cutout diameter differs (12.30mm versus 16.00mm), requiring mechanical panel adjustment.

Q: What are the key compatibility criteria for this substitution?

A: Critical compatibility factors are SPDT circuit configuration, 125V AC / 30V DC voltage ratings, On-Momentary switch function, Panel Mount Front installation, Square Button actuator with Red illumination, and operating temperature range of -25°C to 50°C. The substitute meets all these requirements.

Q: Does the higher current rating of the substitute part affect compatibility?

A: The 3A current rating of YB15SKW01-5C05-JC exceeds the 1A requirement of the original circuit. This represents an upgrade in capability and does not create compatibility issues. The substitute can safely handle applications designed for 1A operation.

Q: Are there differences in mechanical durability between these parts?

A: Yes. The substitute part provides 10x greater mechanical life (1,000,000 cycles versus 100,000 cycles) and 2x greater electrical life (100,000 cycles versus 50,000 cycles). These improvements enhance long-term reliability in repetitive switching applications.

Q: What is the impact of LED versus incandescent illumination?

A: LED illumination in the substitute offers extended operational life and reduced power consumption compared to incandescent technology. The voltage requirement changes from 5VAC to 5VDC, requiring illumination circuit redesign. Both provide red indicator color as specified.

Q: Are both parts compliant with current regulatory standards?

A: Both KB15SKW01-05-JC and YB15SKW01-5C05-JC maintain ROHS3 compliance and REACH Unaffected status. The substitute's Active product status ensures ongoing compliance maintenance and supply availability.

Request Quote (Ships tomorrow)