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TRF600-400 - LITTELFUSE

Description: Resettable Fuses - PPTC 60V 3A 1.45Ohms

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PCB Footprints
TRF600-400 - LITTELFUSE PCB footprint - Other - Other - TRF600-400-1
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3D Models
TRF600-400 - LITTELFUSE  - 3D model - Other - TRF600-400-1
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TRF600-400 Details

  • Manufacturer Part Number:

    TRF600-400

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.4

  • Additional Feature:

    RMAX:1.45 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    600 V

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    13.1 mm

  • Package Length:

    14.8 mm

  • Package Style:

    Radial

  • Package Width:

    4.6 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; TUV; UL

  • Resistance:

    0.95 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    60 V

TRF600-400 Frequently Asked Questions (FAQs)

  • A good PCB layout for the TRF600-400 involves keeping the input and output traces short and wide, using a solid ground plane, and placing the device close to the power source. Additionally, it's recommended to use a common mode choke or a ferrite bead to filter out high-frequency noise.
  • To ensure proper cooling, make sure the TRF600-400 is mounted on a heat sink with a thermal conductivity of at least 1 W/m-K. The heat sink should be attached to a metal plate or a heat sink with a large surface area. Additionally, ensure good airflow around the device to prevent overheating.
  • The TRF600-400 can handle surge currents up to 400A for 1ms, but it's recommended to derate the device to 300A for 1ms to ensure reliable operation. It's also important to follow the recommended PCB layout and thermal management to prevent overheating.
  • The TRF600-400 is rated for operation up to 150°C, but it's recommended to derate the device to 125°C for reliable operation. Above 125°C, the device's performance and reliability may be compromised. It's essential to ensure proper cooling and thermal management in high-temperature environments.
  • When selecting a fuse for the TRF600-400, consider the maximum current rating, voltage rating, and interrupting rating. Choose a fuse with a current rating that matches or exceeds the maximum current rating of the TRF600-400. Ensure the fuse is rated for the same voltage as the device and can interrupt the maximum fault current.

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TRF600-400 Overview

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