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Manufacturer Part #


CB3 Series Process Sealed 6 mm SPST 1.57 N Surface Mount Tactile Switch

Mfr. Name: NKK Switches
Standard Pkg:
Product Variant Information section
Date Code: 2042
Product Specification Section
Technical Attributes
Attributes Table
Switch Operation: Off-Mom
Circuitry: SPST N.O.
Voltage Rating: 24V
Current Rating: 50mA
Insulation Resistance: 100MΩ
Actuation Force: 1.57N
Contact Material: Silver Over Brass
Operating Force: 157g
Contact Plating: Silver
Actuator Style: Flat Blue Button
Termination Style: Gull Wing
Dielectric Withstanding Voltage: 250V
Operating Temperature: -25°C to +70°C
Dimension: H  6.2mm x L  6.6mm x W  6.2mm
Mounting Method: Surface Mount
Features & Applications

The CB3 Series Sealed construction prevents contact contamination and allows automated soldering and cleaning. 0.244” (6.2mm) square body allows compact mounting. Heat tolerant resin used for actuator and base meets UL flammability rating of 94V-0 and maintains switch reliability through vapor phase and infrared convection reflow soldering. Dome contact gives crisp tactile feedback to positively indicate circuit transfer and assures high reliability and long life – more than 100,000 operations.


  • Electrical Capacity (Resistive Load)
    • Low Level: 50 mA @ 24 V DC maximum
  • Materials & Finishes:
    • Actuator: Glass fiber reinforced polyamide (UL94V-0)
    • Case: Stainless steel
    • Seal: Polytetrafluoroethylene
    • Base: Polyphthalamide (UL94V-0)
    • Movable Contacts: Beryllium copper with silver plating
    • Stationary Contacts: Brass with silver plating
    • Terminals: Brass with silver plating
  • Standards & Certifications:
    • Flammability Standards: UL94V-0 actuator & base
    • UL Recognition or CSA Certification: The CB3 Series tactiles have not been tested for UL recognition or CSA certification. These switches are designed for use in a low-voltage, low-current, logic-level circuit. When used as intended in a logic-level circuit, the results do not produce hazardous energy
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Product Variant Information section