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FMMT455TA - Diodes Incorporated

Description: Diodes Inc FMMT455TA NPN Bipolar Transistor, 1 A, 140 V, 3-Pin SOT-23

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Symbol
FMMT455TA - Diodes Incorporated - PCB symbol
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PCB Footprints
FMMT455TA - Diodes Incorporated PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT-23
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3D Models
FMMT455TA - Diodes Incorporated - 3D model - SOT23 (3-Pin) - SOT-23
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FMMT455TA Details

  • Manufacturer Part Number:

    FMMT455TA

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOT-23, 3 PIN

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Diodes Incorporated

  • YTEOL:

    7

  • Collector Current-Max (IC):

    1 A

  • Collector-Emitter Voltage-Max:

    140 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    100

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity/Channel Type:

    NPN

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    100 MHz

FMMT455TA Frequently Asked Questions (FAQs)

  • A good PCB layout for the FMMT455TA involves keeping the input and output traces separate, using a ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated ground plane is recommended.
  • To ensure proper biasing, connect the enable pin (EN) to a logic high (VCC) to enable the device. The input voltage (VIN) should be within the recommended range of 2.7V to 5.5V. The output voltage (VOUT) should be decoupled with a 1uF capacitor to ensure stability.
  • The FMMT455TA can handle a maximum output current of 1A. However, it's recommended to limit the output current to 500mA for optimal performance and to prevent overheating.
  • To protect the FMMT455TA from overvoltage and undervoltage conditions, use a voltage supervisor or a reset IC to monitor the input voltage and reset the device if it falls outside the recommended range.
  • The thermal resistance of the FMMT455TA is 125°C/W. To handle thermal management, ensure good airflow around the device, use a heat sink if necessary, and avoid blocking the airflow around the device.

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FMMT455TA Overview

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