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2SA07770R
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2SA07770R

Product Overview

Category

2SA07770R belongs to the category of semiconductor devices.

Use

It is commonly used as a high-frequency amplifier in electronic circuits.

Characteristics

  • High gain and low noise characteristics
  • Suitable for use in audio amplifiers and other low-power applications

Package

The 2SA07770R is typically available in a TO-92 package.

Essence

This product is essential for amplifying weak electrical signals in various electronic devices.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage: Vcbo = 50V
  • Collector Current: Ic = 0.1A
  • Power Dissipation: Pc = 0.4W
  • Transition Frequency: ft = 150MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The 2SA07770R has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

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

Advantages and Disadvantages

Advantages

  • High gain
  • Low noise
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to overvoltage conditions

Working Principles

The 2SA07770R operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify electrical signals.

Detailed Application Field Plans

Audio Amplifiers

The 2SA07770R can be used in audio amplifiers to boost weak audio signals with minimal noise interference.

Oscillator Circuits

In oscillator circuits, this transistor can help generate stable and precise oscillations at high frequencies.

Signal Processing

It is suitable for signal processing applications where low noise and high gain are crucial.

Detailed and Complete Alternative Models

  • 2SC458
  • 2N3904
  • BC547
  • BC548

These alternative models offer similar functionality and can be used as substitutes for the 2SA07770R in various applications.

This content provides a comprehensive overview of the 2SA07770R semiconductor device, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 2SA07770R i tekniska lösningar

  1. What is the maximum collector current of 2SA07770R?

    • The maximum collector current of 2SA07770R is 1.5A.

  2. What is the maximum collector-emitter voltage of 2SA07770R?

    • The maximum collector-emitter voltage of 2SA07770R is 50V.

  3. What is the typical hFE (DC current gain) of 2SA07770R?

    • The typical hFE of 2SA07770R is 60-240.

  4. What are the typical applications of 2SA07770R?

    • 2SA07770R is commonly used in audio amplification, voltage regulation, and general switching applications.

  5. What is the power dissipation of 2SA07770R?

    • The power dissipation of 2SA07770R is 0.9W.

  6. What is the package type of 2SA07770R?

    • 2SA07770R comes in a TO-92L package.

  7. What are the recommended operating conditions for 2SA07770R?

    • The recommended operating temperature range for 2SA07770R is -55°C to 150°C.

  8. Is 2SA07770R suitable for high-frequency applications?

    • No, 2SA07770R is not typically recommended for high-frequency applications due to its transition frequency characteristics.

  9. Does 2SA07770R require a heat sink for certain applications?

    • Yes, for applications where the power dissipation approaches the maximum rating, a heat sink may be required.

  10. Can 2SA07770R be used in push-pull amplifier configurations?

    • Yes, 2SA07770R can be used in push-pull amplifier configurations with appropriate biasing and matching components.