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BD438 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BD438ST350Yes

BD438 is a PNP power transistor manufactured by ON Semiconductor.

The BD438 is a PNP power transistor manufactured by ON Semiconductor. Here are its key specifications:

  • Type: PNP bipolar junction transistor (BJT)
  • Collector-Emitter Voltage (VCE): -45V
  • Collector-Base Voltage (VCB): -45V
  • Emitter-Base Voltage (VEB): -5V
  • Collector Current (IC): -4A (continuous)
  • Power Dissipation (Ptot): 36W (at Tc ≤ 25°C)
  • DC Current Gain (hFE): 40 to 250 (at IC = -500mA, VCE = -5V)
  • Transition Frequency (fT): 3MHz (typical)
  • Operating Temperature Range: -65°C to +150°C
  • Package: TO-126

These specifications are based on ON Semiconductor's datasheet for the BD438.

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