BD139 NPN 80V 1.5A BIPOLAR TRANSISTOR TO-126

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The BD139 is a fundamental component within the realm of electronics, categorized as a bipolar junction transistor (BJT). It is specifically designed with an NPN bipolar structure, signifying the presence of three layers (doped regions) with alternating P-type and N-type semiconductors. This configuration enables the BD139 to function as a current amplifier, making it a mainstay in various electronic applications.

Key Features of BD139 NPN 80V 1.5A Bipolar Transistor:
    • High voltage capacity of up to 80V.
    • Capable of handling a continuous collector current of 1.5A.
    • Fast switching times and high current gain.
    • Robust construction with thermal stability.
    • Versatile usage in amplifiers and switching applications.
Technical Specifications of BD139 NPN 80V 1.5A Bipolar Transistor:
    • Collector-Emitter Voltage (Vceo): 80V
    • Collector-Base Voltage (Vcbo): 80V
    • Emitter-Base Voltage (Vebo): 5V
    • Collector Current (Ic): 1.5A
    • Power Dissipation (Ptot): 12.5W
    • DC Current Gain (hFE): 40 to 160
    • Operating Junction Temperature (Tj): -55°C to 150°C
Mechanical Specifications of BD139 NPN 80V 1.5A Bipolar Transistor:
    • Package Type: TO-126
    • Dimensions: Standard TO-126 package dimensions
    • Weight: Approximately 1.5 grams
Schematic Symbol, Connection, Wiring, and Pinout of the BD139 NPN 80V 1.5A Bipolar Transistor:
    • Base (B): Controls the collector current.
    • Collector (C): Output current pin.
    • Emitter (E): Input current pin.
Applications of the BD139 NPN 80V 1.5A Bipolar Transistor:
    • Audio amplifiers: Amplifying low-level audio signals.
    • Power switching: Controlling moderate-power loads like LEDs or small motors.
    • Interface circuits: Providing a buffer stage between low-power control signals and higher-power circuits.
    • Driver circuits: Driving other electronic components such as relays or optocouplers.
Equivalent of BD139 NPN 80V 1.5A Bipolar Transistor:
    • BD135
    • BD137
    • 2N3055 (for higher power applications)
    • TIP31A (with similar characteristics)
    • BC337
    • BC108 (for lower current applications)
    • TIP31 (for higher current applications)
Package Includes:
    • 1 x BD139 NPN 80V 1.5A Bipolar Transistor Kit

Additional information

Weight 1 g

Warranty

  • This item is protected with a supplier warranty of 5 days from the time of delivery against manufacturing defects only.
  • Reimbursement or Replacement will be done against manufacturing defects only.
  • This warranty is void if the device has been damaged by negligence, mishandling, acts of third parties, accident, fire, Flood, lightning, power surges or outages, or other events or circumstances outside the control.
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BD139 NPN 80V 1.5A BIPOLAR TRANSISTOR TO-126

3.50
You save

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