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PN2907TA
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PN2907TA Transistor

Introduction

The PN2907TA is a general-purpose PNP bipolar junction transistor (BJT) commonly used in electronic circuits for amplification, switching, and regulation. This entry provides an overview of the PN2907TA, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

  • Category: Electronic Component
  • Use: Amplification, Switching, Regulation
  • Characteristics: High current gain, low saturation voltage
  • Package: TO-92
  • Essence: PNP BJT
  • Packaging/Quantity: Bulk or Tape & Reel

Specifications

  • Collector-Emitter Voltage (VCEO): -60V
  • Collector-Base Voltage (VCBO): -60V
  • Emitter-Base Voltage (VEBO): -5V
  • Collector Current (IC): -600mA
  • Power Dissipation (PD): 625mW
  • Transition Frequency (fT): 250MHz

Pin Configuration

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

Functional Features

  • High current gain
  • Low noise
  • Fast switching speed
  • Low saturation voltage

Advantages

  • Versatile applications
  • Reliable performance
  • Wide availability
  • Cost-effective

Disadvantages

  • Sensitive to temperature variations
  • Limited power handling capability

Working Principles

The PN2907TA operates as a current-controlled switch or amplifier. In the active region, a small current at the base terminal controls a larger current flow between the collector and emitter terminals. When used as a switch, it can be driven into saturation to allow maximum current flow, while in the amplification mode, small input signals can control larger output signals.

Application Field Plans

The PN2907TA finds extensive use in various electronic applications, including: - Audio amplifiers - Signal processing circuits - Voltage regulators - Switching circuits - Oscillators

Alternative Models

  • 2N3906
  • BC557
  • MPSA56
  • 2SA1015

In conclusion, the PN2907TA transistor is a versatile component with wide-ranging applications in electronic circuits. Its high current gain, low saturation voltage, and compact TO-92 package make it suitable for diverse design requirements.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ PN2907TA ในโซลูชันทางเทคนิค

  1. What is the maximum collector current of PN2907TA?

    • The maximum collector current of PN2907TA is 600mA.

  2. What is the typical gain (hfe) of PN2907TA?

    • The typical gain (hfe) of PN2907TA is 100-300.

  3. What is the maximum power dissipation of PN2907TA?

    • The maximum power dissipation of PN2907TA is 625mW.

  4. What are the typical applications of PN2907TA?

    • PN2907TA is commonly used in audio amplification, switching, and general purpose applications.

  5. What is the maximum voltage rating for PN2907TA?

    • The maximum voltage rating for PN2907TA is 60V.

  6. Is PN2907TA suitable for low-power applications?

    • Yes, PN2907TA is suitable for low-power applications due to its low collector cutoff current.

  7. Can PN2907TA be used as a switch in digital circuits?

    • Yes, PN2907TA can be used as a switch in digital circuits due to its high current gain and fast switching characteristics.

  8. What are the temperature specifications for PN2907TA?

    • PN2907TA has a maximum operating temperature of 150°C.

  9. Does PN2907TA require a heat sink for high-power applications?

    • Yes, for high-power applications, PN2907TA may require a heat sink to dissipate heat effectively.

  10. Are there any recommended alternative transistors to PN2907TA?

    • Some recommended alternative transistors to PN2907TA include BC557, 2N3906, and 2N4403.