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FMMT549ATA - Diodes Incorporated

Description: Bipolar Transistors - BJT PNP Medium Power

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PCB Footprints
FMMT549ATA - Diodes Incorporated PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT-23 (f)
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3D Models
FMMT549ATA - Diodes Incorporated  - 3D model - SOT23 (3-Pin) - SOT-23 (f)
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FMMT549ATA Details

  • Manufacturer Part Number:

    FMMT549ATA

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 3 PIN

  • Pin Count:

    3

  • Reach Compliance Code:

    Compliant

  • 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:

    30 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    150

  • 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:

    PNP

  • 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

FMMT549ATA Frequently Asked Questions (FAQs)

  • A thermal pad is recommended under the package to improve heat dissipation. A minimum of 2oz copper thickness and a thermal relief pattern are also recommended.
  • Ensure the input voltage is within the recommended range (4.5V to 5.5V) and the output voltage is properly decoupled with a 10uF capacitor.
  • The maximum current rating for the output pins is 1A per pin, but it's recommended to derate the current based on the ambient temperature and PCB thermal design.
  • The device is rated for operation up to 125°C, but the maximum junction temperature (Tj) should not exceed 150°C. Ensure proper thermal design and derating for high-temperature applications.
  • Use ESD protection devices (e.g., TVS diodes) on the input and output pins, and consider adding overvoltage protection (OVP) circuits to prevent damage from voltage spikes.

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Part Image FMMT549ATC Diodes Incorporated

Small Signal Bipolar Transistor, 1A I(C), 30V V(BR)CEO, 1-Element, PNP, Silicon