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BUL38D Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BUL38DST3500Yes

HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

The BUL38D is a high-voltage, fast-switching NPN power transistor manufactured by STMicroelectronics (ST).

Specifications:

  • Collector-Emitter Voltage (VCE): 900V
  • Collector Current (IC): 3A
  • Base Current (IB): 1A
  • Power Dissipation (Ptot): 40W
  • Transition Frequency (fT): 4MHz
  • Turn-On Time (ton): 500ns
  • Turn-Off Time (toff): 500ns
  • Package: TO-220 (isolated and non-isolated versions available)

Descriptions:

  • Designed for high-voltage switching applications.
  • Suitable for flyback converters, electronic ballasts, and power supplies.
  • Features high breakdown voltage and fast switching speed.

Features:

  • High voltage capability (900V).
  • Fast switching performance.
  • Low saturation voltage.
  • Isolated and non-isulated TO-220 package options.

For detailed datasheet information, refer to STMicroelectronics' official documentation.

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