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BC556B - onsemi

Description: Obsolete - PNP Bipolar Transistor

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Symbol
BC556B - onsemi - PCB symbol
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PCB Footprints
BC556B - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO−92 (TO−226) CASE 29−11 ISSUE AM
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3D Models
BC556B - onsemi - 3D model - Transistor Outline, Vertical - TO−92 (TO−226) CASE 29−11 ISSUE AM
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  • Datasheet Download Datasheet
  • Stock & Prices $ Price & Stock for BC556B
  • Part Number BC556B
  • Manufacturer onsemi
  • Pin Count 3
  • Part Category Transistor BJT PNP
  • Package Category Transistor Outline, Vertical
  • Footprint Name Transistor Outline, Vertical - TO−92 (TO−226) CASE 29−11 ISSUE AM
  • Released Date Sep 16, 2019
  • Last Modified Date Sep 19, 2024 2:45 PM UTC
  • Pinout / Pin List Click Here (Member Only)

BC556B Details

  • Manufacturer Part Number:

    BC556B

  • Brand Name:

    onsemi

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-92

  • Package Description:

    CASE 29-11, TO-226, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    29-11

  • 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):

    180

  • 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

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    235

  • Polarity/Channel Type:

    PNP

  • Power Dissipation-Max (Abs):

    0.625 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    280 MHz

BC556B Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the BC556B is -55°C to 150°C.
  • Yes, the BC556B can be used in switching applications, but it's primarily designed for linear amplifier applications. It's essential to ensure the transistor is operated within its safe operating area (SOA) to prevent damage.
  • To ensure correct biasing, follow the recommended biasing circuit and component values provided in the datasheet. Additionally, consider the transistor's current gain (hFE) and base-emitter voltage (VBE) when designing the biasing circuit.
  • The maximum collector current rating for the BC556B is 1 A. Exceeding this rating can lead to transistor damage or failure.
  • The BC556B is not optimized for high-frequency applications. It's primarily designed for low-frequency, low-power amplifier applications. If you need a transistor for high-frequency applications, consider using a transistor specifically designed for high-frequency operation.

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BC556B Overview

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BC556B Alternates

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Image Part Number Model
Part Image BC556BZL1 onsemi

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, PNP, Silicon, TO-92
Part Image BC556B Crimson Semiconductor Inc

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, PNP, Silicon, TO-92,
Part Image BC556B-T/R NXP Semiconductors

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, PNP, Silicon, TO-92
Part Image BC556BRL onsemi

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, PNP, Silicon, TO-92
Part Image BC556BRLRA onsemi

Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, PNP, Silicon, TO-92
For a full list of alternate parts for BC556B, check out Findchips.com