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BUL89 - STMicroelectronics

Description: HIGH VOLTAGE CAPABILITY ■ MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION ■ LOW BASE-DRIVE REQUIREMENTS ■ VERY HIGH SWITCHING SPEED ■ FULLY CHARACTERIZED AT 125o C

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Symbol
BUL89 - STMicroelectronics - PCB symbol
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PCB Footprints
BUL89 - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - (TO-220)
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3D Models
BUL89 - STMicroelectronics - 3D model - Transistor Outline, Vertical - (TO-220)
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BUL89 Details

  • Manufacturer Part Number:

    BUL89

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-220AB

  • Package Description:

    TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Collector Current-Max (IC):

    12 A

  • Collector-Emitter Voltage-Max:

    400 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    10

  • JEDEC-95 Code:

    TO-220AB

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    110 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

BUL89 Frequently Asked Questions (FAQs)

  • The maximum safe operating area (SOA) for the BUL89 is not explicitly stated in the datasheet. However, STMicroelectronics recommends following the guidelines in the application note AN1156 for calculating the SOA. Additionally, it's essential to consider the device's thermal limitations and ensure proper heat sinking to prevent overheating.
  • The base resistor value for the BUL89 depends on the specific application and the desired switching characteristics. A general rule of thumb is to choose a base resistor value that limits the base current to 1/10th of the collector current. For example, if the collector current is 10A, the base current should be around 1A. The base resistor value can be calculated using Ohm's law: Rb = (Vcc - Vbe) / Ib, where Vcc is the supply voltage, Vbe is the base-emitter voltage, and Ib is the base current.
  • The minimum collector-emitter voltage (Vce) required for the BUL89 to operate in saturation mode is not explicitly stated in the datasheet. However, as a general rule, a Vce of around 0.5-1V is typically sufficient for the BUL89 to operate in saturation mode. This value may vary depending on the specific application and the desired switching characteristics.
  • The BUL89 is not optimized for high-frequency switching applications. It has a relatively high transition frequency (fT) of around 30MHz, which makes it more suitable for low-to-medium frequency applications. For high-frequency applications, it's recommended to use a transistor with a higher fT, such as the BUL146 or BUL237.
  • To prevent thermal runaway in a BUL89-based design, it's essential to ensure proper heat sinking, especially in high-power applications. This can be achieved by using a heat sink with a low thermal resistance, ensuring good thermal contact between the device and the heat sink, and providing adequate airflow. Additionally, it's recommended to monitor the device's temperature and implement over-temperature protection mechanisms to prevent thermal runaway.

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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