Bourns Inc.
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BD239A-S
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BD239A-S

Product Overview

Belongs to: Semiconductor Devices
Category: Power Transistor
Use: Amplification and Switching
Characteristics: High voltage, high current capability
Package: TO-220
Essence: NPN Epitaxial Silicon Transistor
Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage - Collector Emitter Breakdown (Max): 100V
  • Current - Collector (Ic) (Max): 2A
  • Power - Max: 30W
  • DC Current Gain (hFE) (Min) @ Ic, Vce: 40 @ 500mA, 1V
  • Transition Frequency: 4MHz
  • Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

  1. Base (B)
  2. Collector (C)
  3. Emitter (E)

Functional Features

  • High voltage capability
  • Fast switching speed
  • Low saturation voltage

Advantages

  • Suitable for audio amplification and power switching applications
  • Robust construction for reliable performance
  • Wide operating temperature range

Disadvantages

  • Limited frequency response compared to some alternative models
  • Higher saturation voltage than certain alternatives

Working Principles

The BD239A-S operates as a bipolar NPN transistor, utilizing an epitaxial silicon structure to provide high voltage and current amplification capabilities. When biased appropriately, it allows for efficient signal amplification and power switching.

Detailed Application Field Plans

  1. Audio Amplification: The BD239A-S can be used in audio amplifier circuits due to its high voltage and current handling capabilities.
  2. Power Switching: It is suitable for controlling moderate power loads in various electronic systems.

Detailed and Complete Alternative Models

  1. BD237
  2. BD238
  3. BD240

In conclusion, the BD239A-S is a versatile power transistor with high voltage and current capabilities, suitable for amplification and switching applications across various electronic systems.

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10 domande e risposte comuni relative all'applicazione di BD239A-S nelle soluzioni tecniche

  1. What is BD239A-S?

    • BD239A-S is a PNP power transistor designed for use in general-purpose amplifier and switching applications.

  2. What are the key features of BD239A-S?

    • The key features of BD239A-S include high current capability, low collector-emitter saturation voltage, and complementary NPN type (BD238A-S) available.

  3. What are the typical applications of BD239A-S?

    • Typical applications of BD239A-S include audio amplifiers, power linear and switching industrial equipment, and general-purpose PNP amplifier and switching circuits.

  4. What is the maximum collector current of BD239A-S?

    • The maximum collector current of BD239A-S is 4A.

  5. What is the maximum collector-emitter voltage of BD239A-S?

    • The maximum collector-emitter voltage of BD239A-S is 80V.

  6. What is the power dissipation of BD239A-S?

    • The power dissipation of BD239A-S is 40W.

  7. Is BD239A-S suitable for audio amplifier applications?

    • Yes, BD239A-S is suitable for audio amplifier applications due to its high current capability and low collector-emitter saturation voltage.

  8. Can BD239A-S be used in power switching applications?

    • Yes, BD239A-S can be used in power switching applications due to its high current capability and low saturation voltage.

  9. Is there a complementary NPN type available for BD239A-S?

    • Yes, the complementary NPN type for BD239A-S is BD238A-S.

  10. What are the recommended operating conditions for BD239A-S?

    • The recommended operating conditions for BD239A-S include a collector current of 1A to 4A, a collector-emitter voltage of 45V to 80V, and a power dissipation of up to 40W.