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TRF250-184 - LITTELFUSE

Description: Resettable Fuses - PPTC 100Vdc 10Arms PolySwitch Reset Dev ,,

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PCB Footprints
TRF250-184 - LITTELFUSE PCB footprint - Other - Other - TRF250-184-1
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3D Models
TRF250-184 - LITTELFUSE  - 3D model - Other - TRF250-184-1
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TRF250-184 Details

  • Manufacturer Part Number:

    TRF250-184

  • 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:2.4 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:

    7.7 mm

  • Package Length:

    7.7 mm

  • Package Style:

    Radial

  • Package Width:

    4.6 mm

  • Packing Method:

    BULK

  • Reference Standard:

    UL, CSA, TUV

  • Resistance:

    1.2 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    FLAT

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    100 V

TRF250-184 Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal performance of the TRF250-184 includes keeping the input and output traces as short as possible, using a solid ground plane, and placing the device close to the power source. Additionally, it's recommended to use a Kelvin connection for the sense pins to minimize parasitic inductance.
  • To ensure proper cooling of the TRF250-184, it's recommended to provide adequate airflow around the device, use a heat sink if possible, and keep the device away from other heat-generating components. The device's thermal resistance (RθJA) is 25°C/W, so it's essential to consider thermal management in the design.
  • The TRF250-184 has a surge current rating of 100A for 10ms, which means it can withstand a maximum surge current of 100A for a duration of 10ms without sustaining damage.
  • The TRF250-184 is rated for operation up to 150°C, but it's essential to derate the device's current rating as the temperature increases. Consult the datasheet for derating curves and ensure the device is operated within its specified temperature range.
  • To troubleshoot issues with the TRF250-184, start by verifying the device is properly soldered and connected. Check for signs of overheating, such as discoloration or burning. Use a multimeter to measure voltage and current at the input and output pins. Consult the datasheet and application notes for guidance on troubleshooting common issues.

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TRF250-184 Overview

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