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MRF403 - NKK Switches

Description: HALF-INCH DIAMETER PROCESS SEALED ROTARY

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PCB Footprints
MRF403 - NKK Switches PCB footprint - Other - Other - MRA403
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3D Models
MRF403 - NKK Switches  - 3D model - Other - MRA403
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MRF403 Details

  • Manufacturer Part Number:

    MRF403

  • Brand Name:

    NKK Switches

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.50.70.00

  • Manufacturer:

    NKK Switches

  • YTEOL:

    6

  • Actuator Length:

    0.039 inch

  • Actuator Material:

    BRASS

  • Actuator Type:

    ROTARY SHAFT

  • Body Height:

    11.7094 mm

  • Body Length or Diameter:

    13.9954 mm

  • Center Contact Material:

    PHOSPHOR BRONZE

  • Center Contact Plating:

    GOLD

  • Contact (DC) Max Power Rating R Load:

    0.4VA@28VDC

  • Contact Function:

    ON-OFF

  • Contact Resistance:

    0.05 mΩ

  • Contact Timing:

    BREAK-BEFORE-MAKE

  • Dielectric Withstand Volts:

    500VAC V

  • Electrical Life:

    10000 Cycle(s)

  • End Contact Material:

    PHOSPHOR BRONZE

  • End Contact Plating:

    GOLD

  • Housing Material:

    ZINC ALLOY

  • Indexing Angle:

    15 deg

  • Insulation Resistance:

    100000000 Ω

  • Insulator Material:

    GLASS FILLED POLYAMIDE

  • Mounting Feature:

    THROUGH HOLE-STRAIGHT

  • Number of Positions:

    3

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -10 °C

  • PCB Hole Count:

    16

  • Solderability:

    WAVE

  • Surface Mount:

    NO

  • Switch Action:

    CIRCULAR

  • Switch Function:

    4P3T

  • Switch Type:

    ROTARY SWITCH

  • Terminal Length:

    0.138 inch

  • Terminal Material:

    PHOSPHOR BRONZE

  • Termination Type:

    SOLDER

MRF403 Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the MRF403 is -20°C to 85°C.
  • To ensure reliability in high-vibration environments, it is recommended to use a secure mounting method, such as screw mounting or adhesive mounting, and to follow proper soldering and cleaning procedures.
  • The maximum switching frequency of the MRF403 is 10 Hz. Exceeding this frequency may lead to premature wear and reduced lifespan.
  • While the MRF403 is designed to be durable, it is not recommended for use in harsh environments without proper protection. A conformal coating or sealing may be necessary to ensure reliability in such environments.
  • To troubleshoot issues with the MRF403, check for proper soldering and cleaning, ensure proper mounting and handling, and inspect for signs of physical damage or contamination. If issues persist, consult the datasheet or contact NKK Switches support.

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MRF403 Overview

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