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TRF250-180 - LITTELFUSE

Description: Littelfuse 0.18A Radial Resettable Wire Ended Fuses, 100V dc

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PCB Footprints
TRF250-180 - LITTELFUSE PCB footprint - Other - Other - TRF250-180-2
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3D Models
TRF250-180 - LITTELFUSE  - 3D model - Other - TRF250-180-2
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TRF250-180 Details

  • Manufacturer Part Number:

    TRF250-180

  • 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:2.2 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    250 V

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    12 mm

  • Package Length:

    9 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3.8 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; TUV; UL

  • Resistance:

    0.8 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    100 V

TRF250-180 Frequently Asked Questions (FAQs)

  • A good PCB layout for the TRF250-180 involves keeping the input and output traces separate, using a ground plane, and minimizing the length of the input and output leads. It's also recommended to use a common ground point for the input and output returns.
  • To ensure reliability in high-temperature applications, it's essential to follow the recommended derating curves for the TRF250-180. Additionally, ensure good thermal management, such as using a heat sink or thermal interface material, and avoid exceeding the maximum operating temperature.
  • The TRF250-180 has built-in ESD protection, but it's still important to follow proper ESD handling procedures during assembly and installation. It's also recommended to use ESD-protective packaging and to ground all equipment and personnel before handling the device.
  • Yes, the TRF250-180 can be used in a parallel configuration to increase power handling. However, it's essential to ensure that the devices are properly matched and that the thermal management is adequate to handle the increased power dissipation.
  • When using the TRF250-180 in a high-frequency application, it's essential to consider the device's parasitic inductance and capacitance. Additionally, ensure that the PCB layout is optimized for high-frequency operation, and consider using a ferrite bead or other high-frequency filter to minimize electromagnetic interference.

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TRF250-180 Overview

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