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BC546B - onsemi

Description: Obsolete - NPN Bipolar Transistor

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BC546B - onsemi PCB footprint - Other - Other - TO127P254X732-3
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BC546B - onsemi  - 3D model - Other - TO127P254X732-3
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BC546B Details

  • Manufacturer Part Number:

    BC546B

  • Brand Name:

    onsemi

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-92

  • Package Description:

    TO-92, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    29-11

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.21.00.75

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.1 A

  • Collector-Base Capacitance-Max:

    4.5 pF

  • Collector-Emitter Voltage-Max:

    65 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    200

  • JEDEC-95 Code:

    TO-226AA

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e0

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    235

  • Polarity/Channel Type:

    NPN

  • Power Dissipation Ambient-Max:

    0.625 W

  • Power Dissipation-Max (Abs):

    1.5 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

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

    30

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    300 MHz

  • VCEsat-Max:

    0.6 V

BC546B Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the BC546B is -55°C to 150°C.
  • Yes, the BC546B can be used in switching applications, but it's not recommended due to its relatively slow switching speed (tf ≈ 15ns). For high-frequency switching applications, consider using a transistor with a faster switching speed.
  • To ensure proper biasing, set the base voltage (VBE) to around 0.7V, and the collector-emitter voltage (VCE) to around 1-2V. This will put the transistor in the active region, allowing it to operate as a linear amplifier.
  • The maximum collector current (IC) rating for the BC546B is 100mA. Exceeding this rating may cause the transistor to overheat or fail.
  • The BC546B has a maximum collector-emitter voltage (VCEO) rating of 65V. While it can be used in high-voltage applications, it's essential to ensure the voltage rating is not exceeded to prevent transistor failure.

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