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TRF250-145U - LITTELFUSE

Description: PTC RESET FUSE 60V 145MA RADIAL

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TRF250-145U - LITTELFUSE  - 3D model
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TRF250-145U Details

  • Manufacturer Part Number:

    TRF250-145U

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Manufacturer:

    Littelfuse Inc

  • YTEOL:

    7.4

  • Additional Feature:

    RMAX:6.5 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    250 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    10 mm

  • Package Length:

    6 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3.8 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; TUV; UL

  • Resistance:

    3.5 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    TIN

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    60 V

TRF250-145U Frequently Asked Questions (FAQs)

  • A good PCB layout for the TRF250-145U involves keeping the input and output traces separate, using a solid 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 proper derating guidelines, ensure good thermal management, and consider using a heat sink if necessary. Additionally, selecting components with a high temperature rating and using a reliable soldering process can help ensure reliability.
  • The TRF250-145U 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 TRF250-145U can be used in a parallel configuration to increase power handling, but it's essential to ensure that the devices are properly matched and that the current sharing is balanced. It's also important to follow proper thermal management and derating guidelines.
  • When using the TRF250-145U in a high-frequency application, it's essential to consider the device's parasitic inductance and capacitance, as well as the PCB layout and component selection. It's also important to ensure that the device is properly decoupled and that the input and output are properly matched.

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TRF250-145U Overview

Use the download button to access the TRF250-145U 3D model. You can still request or build the schematic symbol and PCB footprint by using the respective build or request forms on this page.
To find more CAD model downloads similar to this part, try a partial part number search, like TRF25, or try a keyword search, such as Non-linear Resistors

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