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RXEF135 - LITTELFUSE

Description: Polymeric PTC Resettable Fuse 72V 1.35 A Ih Through Hole Radial, Disc, Voltage: 72 V max (AC or DC), Current: 40 A max (AC or DC), -40°C ~ 85°C

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Symbol
RXEF135 - LITTELFUSE - PCB symbol
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PCB Footprints
RXEF135 - LITTELFUSE PCB footprint - Other - Other - RXEF135-5
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3D Models
RXEF135 - LITTELFUSE - 3D model - Other - RXEF135-5
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RXEF135 Details

  • Manufacturer Part Number:

    RXEF135

  • 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:0.19 OHMS AT 20 DEG CEL

  • Circuit RMS Voltage-Max:

    72 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:

    19.1 mm

  • Package Length:

    14.5 mm

  • Package Shape:

    DISK PACKAGE

  • Package Style:

    Radial

  • Package Width:

    3 mm

  • Packing Method:

    BULK

  • Reference Standard:

    CSA; CQC; TUV; UL

  • Resistance:

    0.12 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Working Voltage:

    72 V

RXEF135 Frequently Asked Questions (FAQs)

  • A thermal pad on the bottom of the device should be connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2 oz copper thickness is recommended.
  • Use a soldering iron with a temperature of 250°C to 260°C. Apply a small amount of solder paste to the thermal pad and reflow at 220°C to 230°C for 30-60 seconds.
  • The RXEF135 can withstand voltage transients up to 1.5 times the maximum rated voltage (135V) for a duration of 100ms.
  • Yes, the RXEF135 is suitable for high-frequency switching applications up to 100 kHz. However, ensure proper thermal management and consider the device's power dissipation limits.
  • Use a fuse or a current-limiting resistor in series with the RXEF135 to protect against overcurrent conditions. For overvoltage protection, consider using a voltage regulator or a transient voltage suppressor (TVS) diode.

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RXEF135 Overview

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