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RXEF300-AP - LITTELFUSE

Description: Resettable Fuses - PPTC 40A 72V 2Pin Ammo Pk PolySwitch Reset De

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PCB Footprints
RXEF300-AP - LITTELFUSE PCB footprint - Other - Other - 23.9x3.0x28.6mm
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3D Models
RXEF300-AP - LITTELFUSE  - 3D model - Other - 23.9x3.0x28.6mm
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RXEF300-AP Details

  • Manufacturer Part Number:

    RXEF300-AP

  • 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:0.06 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    72 V

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    28.6 mm

  • Package Length:

    23.9 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    AMMO PACK

  • Reference Standard:

    CSA; CQC; TUV; UL

  • Resistance:

    0.04 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Working Voltage:

    72 V

RXEF300-AP Frequently Asked Questions (FAQs)

  • A good PCB layout for the RXEF300-AP should ensure that the high-frequency signals are kept away from the low-frequency signals, and that the power and ground planes are properly decoupled. A 4-layer PCB with a dedicated ground plane is recommended. Additionally, the layout should minimize the length of the traces and avoid sharp corners to reduce electromagnetic interference (EMI).
  • To ensure proper soldering, use a soldering iron with a temperature range of 250°C to 260°C. Apply a small amount of solder paste to the pads and use a gentle touch to avoid applying excessive pressure, which can damage the device. Make sure the solder joints are clean and free of oxidation. A reflow oven can also be used for large-scale production.
  • The RXEF300-AP is rated for operation from -40°C to 125°C. However, it's essential to note that the device's performance may degrade at extreme temperatures, and the maximum operating temperature range may vary depending on the specific application and environmental conditions.
  • Yes, the RXEF300-AP is designed to meet the requirements of high-reliability applications. It is built with high-quality materials and undergoes rigorous testing to ensure its performance and reliability. However, it's essential to consult with Littelfuse Inc or a qualified engineer to ensure the device meets the specific requirements of the application.
  • To troubleshoot issues with the RXEF300-AP, start by verifying the power supply voltage and ensuring it is within the recommended range. Check the input and output signals for any signs of distortion or noise. Use an oscilloscope to analyze the waveforms and identify any anomalies. If the issue persists, consult the datasheet and application notes or contact Littelfuse Inc's technical support for further assistance.

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RXEF300-AP Overview

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