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FMMT491QTA - Diodes Incorporated

Description:  BVCEO > 60V  IC = 1A Continuous Collector Current  ICM = 2A Peak Pulse Current  RCE(sat) = 195mΩ for a Low Equivalent On-Resistance  500mW Power Dissipation  hFE Characterized up to 2A for High Current Gain Hold up  Complementary PNP Type: FMMT591  Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)  Halogen and Antimony Free. “Green” Device (Note 3)  Qualified to AEC-Q101 Standards for High Reliability

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PCB Footprints
FMMT491QTA - Diodes Incorporated PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT23_1.1k
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FMMT491QTA - Diodes Incorporated  - 3D model - SOT23 (3-Pin) - SOT23_1.1k
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FMMT491QTA Details

  • Manufacturer Part Number:

    FMMT491QTA

  • 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

  • Additional Feature:

    HIGH RELIABILITY

  • Collector Current-Max (IC):

    1 A

  • Collector-Emitter Voltage-Max:

    60 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    30

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.5 W

  • Reference Standard:

    AEC-Q101

  • Surface Mount:

    YES

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

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

    30

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    150 MHz

FMMT491QTA Frequently Asked Questions (FAQs)

  • A thermal pad on the bottom of the package should be connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
  • The FMMT491QTA requires a minimum of 10mA of quiescent current to ensure proper biasing. A resistor divider network can be used to set the bias voltage.
  • The maximum SOA is defined by the voltage and current ratings. The device can operate safely up to 40V and 10A, but derating is required for high temperature operation.
  • The FMMT491QTA has built-in ESD protection, but additional protection measures such as ESD diodes or resistors can be used to further protect the device.
  • The device should be stored at a temperature range of -40°C to 125°C to prevent damage or degradation.

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