Rohm Semiconductor
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2SA1812T100Q
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2SA1812T100Q

Product Overview

Category

The 2SA1812T100Q belongs to the category of semiconductor devices.

Use

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

Characteristics

  • High frequency capability
  • Low noise
  • Small package size

Package

The 2SA1812T100Q is typically available in a small SOT-23 package.

Essence

This product is essential for amplifying high-frequency signals with low noise interference.

Packaging/Quantity

The 2SA1812T100Q is usually packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

  • Maximum Collector-Base Voltage: 50V
  • Maximum Collector Current: 100mA
  • DC Current Gain (hFE): 60 - 240
  • Transition Frequency: 250MHz

Detailed Pin Configuration

  1. Emitter
  2. Base
  3. Collector

Functional Features

  • High-frequency amplification
  • Low noise interference
  • Compact size

Advantages and Disadvantages

Advantages

  • High frequency capability
  • Low noise interference
  • Small package size

Disadvantages

  • Limited maximum collector current
  • Limited voltage handling capacity

Working Principles

The 2SA1812T100Q operates based on the principles of bipolar junction transistors, utilizing its three terminals to amplify high-frequency signals with minimal noise interference.

Detailed Application Field Plans

Audio Amplification

The 2SA1812T100Q can be used in audio amplification circuits to enhance the fidelity of high-frequency audio signals.

Radio Frequency (RF) Circuits

Due to its high-frequency capability, this transistor is suitable for use in RF circuits for signal amplification and transmission.

Oscillator Circuits

In oscillator circuits, the 2SA1812T100Q can be employed to generate high-frequency oscillations with low noise.

Detailed and Complete Alternative Models

  • 2SC2712
  • BC847C
  • MMBT3904

In conclusion, the 2SA1812T100Q is a versatile semiconductor device with high-frequency amplification capabilities, making it suitable for various applications in electronics, telecommunications, and audio systems.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 2SA1812T100Q trong giải pháp kỹ thuật

  1. What is the maximum collector current of 2SA1812T100Q?

    • The maximum collector current of 2SA1812T100Q is 1A.

  2. What is the maximum power dissipation of 2SA1812T100Q?

    • The maximum power dissipation of 2SA1812T100Q is 1W.

  3. What is the voltage rating of 2SA1812T100Q?

    • The voltage rating of 2SA1812T100Q is 50V.

  4. What are the typical applications of 2SA1812T100Q?

    • 2SA1812T100Q is commonly used in audio amplifiers, voltage regulators, and other general-purpose applications.

  5. What is the gain (hfe) of 2SA1812T100Q?

    • The gain (hfe) of 2SA1812T100Q typically ranges from 60 to 240.

  6. Is 2SA1812T100Q suitable for low noise amplifier designs?

    • Yes, 2SA1812T100Q can be used in low noise amplifier designs due to its low noise characteristics.

  7. What are the thermal characteristics of 2SA1812T100Q?

    • The thermal resistance of 2SA1812T100Q is typically around 200°C/W.

  8. Can 2SA1812T100Q be used in high-frequency applications?

    • While it is not specifically designed for high-frequency applications, 2SA1812T100Q can be used in moderate frequency designs.

  9. Does 2SA1812T100Q require a heat sink in certain applications?

    • Yes, in high-power or high-temperature applications, a heat sink may be necessary to ensure proper thermal management.

  10. Are there any recommended alternative transistors to 2SA1812T100Q?

    • Some alternative transistors to consider are 2SC4793, 2SA1013, and 2SC2383, depending on specific application requirements.