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BC857A - Diodes Incorporated

Description: PNP SURFACE MOUNT SMALL SIGNAL TRANSISTOR IN SOT23

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PCB Footprints
BC857A - Diodes Incorporated PCB footprint - Other - Other - SOT95P240X110-3N
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BC857A - Diodes Incorporated  - 3D model - Other - SOT95P240X110-3N
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BC857A Details

  • Manufacturer Part Number:

    BC857A

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.21.00.75

  • Manufacturer:

    Diodes Incorporated

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.1 A

  • Collector-Base Capacitance-Max:

    4.5 pF

  • Collector-Emitter Voltage-Max:

    45 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    125

  • JESD-30 Code:

    R-PDSO-G3

  • 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:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Polarity/Channel Type:

    PNP

  • Power Dissipation Ambient-Max:

    0.3 W

  • Power Dissipation-Max (Abs):

    0.3 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    150 MHz

  • VCEsat-Max:

    0.6 V

BC857A Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the BC857A is -55°C to 150°C.
  • The BC857A is a general-purpose transistor and is not optimized for high-frequency applications. It has a transition frequency (fT) of around 100 MHz, which may not be sufficient for high-frequency applications.
  • Yes, the BC857A can be used as a switch, but it's not ideal for high-current switching applications due to its limited collector current rating (IC) of 100 mA.
  • The minimum current gain (hFE) of the BC857A is 100, but it can vary depending on the specific batch and operating conditions.
  • The BC857A is a general-purpose transistor and is not optimized for low-noise applications. It has a relatively high noise figure, making it less suitable for low-noise amplifier circuits.

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Part Image BC857A Central Semiconductor Corp

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Part Image BC857A YAGEO Corporation

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