ON Semiconductor
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KSA473Y
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KSA473Y

Introduction

The KSA473Y is a semiconductor device belonging to the category of bipolar junction transistors (BJTs). This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the KSA473Y.

Basic Information Overview

  • Category: Bipolar Junction Transistor (BJT)
  • Use: Amplification of electrical signals
  • Characteristics: High gain, low noise, and high frequency performance
  • Package: TO-92 package
  • Essence: Silicon NPN BJT
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Maximum Collector-Base Voltage (Vcbo): 40V
  • Maximum Collector-Emitter Voltage (Vceo): 25V
  • Maximum Emitter-Base Voltage (Vebo): 6V
  • Maximum Collector Current (Ic): 100mA
  • DC Current Gain (hfe): 100 - 300
  • Transition Frequency (ft): 250MHz

Detailed Pin Configuration

The KSA473Y has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High voltage and current gain
  • Low noise amplification
  • High-frequency response

Advantages and Disadvantages

Advantages

  • High gain allows for signal amplification without significant distortion
  • Low noise makes it suitable for sensitive signal amplification applications
  • High-frequency performance enables its use in radio frequency (RF) applications

Disadvantages

  • Limited maximum collector current compared to power transistors
  • Susceptible to temperature variations affecting performance

Working Principles

The KSA473Y operates based on the principles of amplification through the control of current flow between its terminals. When a small signal is applied to the base terminal, it controls the larger current flowing from the collector to the emitter, resulting in signal amplification.

Detailed Application Field Plans

The KSA473Y is commonly used in the following applications: - Audio amplifiers - Radio frequency (RF) amplifiers - Signal processing circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the KSA473Y include: - 2N3904 - BC547 - 2SC945

In conclusion, the KSA473Y is a versatile NPN BJT with high gain, low noise, and high-frequency performance, making it suitable for various amplification applications across different industries.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням KSA473Y у технічних рішеннях

  1. What is KSA473Y?

    • KSA473Y is a PNP epitaxial silicon transistor commonly used in electronic circuits for amplification and switching applications.

  2. What are the typical applications of KSA473Y?

    • KSA473Y is commonly used in audio amplifiers, voltage regulators, and general purpose switching circuits.

  3. What are the key specifications of KSA473Y?

    • The key specifications of KSA473Y include a maximum collector current of 100mA, a maximum collector-base voltage of 45V, and a maximum power dissipation of 625mW.

  4. How do I identify the pin configuration of KSA473Y?

    • The pin configuration of KSA473Y is typically available in the datasheet provided by the manufacturer. It usually consists of three pins: the emitter, base, and collector.

  5. Can KSA473Y be used in high-frequency applications?

    • KSA473Y is not suitable for high-frequency applications due to its limited frequency response.

  6. What are the common alternatives to KSA473Y?

    • Common alternatives to KSA473Y include 2N3906, BC557, and BC327 transistors, which have similar characteristics and can be used in similar applications.

  7. What are the recommended operating conditions for KSA473Y?

    • The recommended operating conditions for KSA473Y include a maximum collector current, maximum collector-base voltage, and appropriate biasing for the specific application.

  8. How do I ensure proper heat dissipation when using KSA473Y?

    • Proper heat dissipation for KSA473Y can be achieved by using an appropriate heat sink and ensuring that the maximum power dissipation rating is not exceeded.

  9. Can KSA473Y be used in automotive applications?

    • KSA473Y is not specifically designed for automotive applications and may not meet the required specifications for such use.

  10. Where can I purchase KSA473Y transistors?

    • KSA473Y transistors can be purchased from electronic component distributors, online retailers, or directly from the manufacturer.