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BC546 - onsemi

Description: Obsolete - Transistor NPN Silicon Plastic

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BC546 - onsemi - PCB symbol
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PCB Footprints
BC546 - onsemi PCB footprint - Other - Other - BC546-4
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3D Models
BC546 - onsemi - 3D model - Other - BC546-4
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BC546 Details

  • Manufacturer Part Number:

    BC546

  • Brand Name:

    onsemi

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    CASE 29-04, TO-226AA, 3 PIN

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.1 A

  • Collector-Emitter Voltage-Max:

    65 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    110

  • JEDEC-95 Code:

    TO-92

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e0

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.625 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    300 MHz

BC546 Frequently Asked Questions (FAQs)

  • The BC546 can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance.
  • To ensure proper biasing, set the base voltage (Vb) to around 0.7V, and the collector voltage (Vc) to around 5V to 10V, depending on the specific application requirements.
  • The maximum collector current (Ic) for the BC546 is 100mA, but it's recommended to keep it below 50mA for optimal performance and reliability.
  • Yes, the BC546 can be used as a switch, but ensure the base is driven hard enough to saturate the transistor (Vbe around 0.8V). Also, consider the switching frequency, as high frequencies can lead to increased power dissipation.
  • Choose resistor values based on the specific application requirements, but as a general rule, the base resistor (Rb) should be around 1kΩ to 10kΩ, and the collector resistor (Rc) should be around 1kΩ to 4.7kΩ.

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BC546 Overview

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BC546 Alternates

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Image Part Number Model
Part Image BC546 National Semiconductor Corporation

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image BC546 Micro Electronics Ltd

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image BC546 Micro Electronics Corporation

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, NPN, Silicon, TO-92,
Part Image BC546J18Z Fairchild Semiconductor Corporation

100 mA, 65 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, 3 PIN
Part Image BC546 NXP Semiconductors

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
For a full list of alternate parts for BC546, check out Findchips.com