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PMBT3904QAZ
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PMBT3904QAZ

Product Overview

Category

The PMBT3904QAZ belongs to the category of small signal transistors.

Use

It is commonly used for amplification and switching of electronic signals in various applications.

Characteristics

  • Small size
  • Low power consumption
  • High gain
  • Fast switching speed

Package

The PMBT3904QAZ is typically available in a SOT-23 package.

Essence

This transistor is essential for amplifying weak electronic signals and controlling the flow of current in electronic circuits.

Packaging/Quantity

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

Specifications

  • Maximum Collector-Base Voltage: 40V
  • Maximum Collector Current: 200mA
  • Power Dissipation: 300mW
  • Transition Frequency: 250MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The PMBT3904QAZ has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High voltage gain
  • Low noise
  • Fast switching speed
  • Wide operating temperature range

Advantages

  • Small form factor
  • Versatile applications
  • Reliable performance

Disadvantages

  • Limited power handling capability
  • Susceptible to thermal issues in high-power applications

Working Principles

The PMBT3904QAZ operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

The PMBT3904QAZ is widely used in: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the PMBT3904QAZ include: - 2N3904 - BC547 - 2SC945 - BC337

In conclusion, the PMBT3904QAZ is a versatile small signal transistor with wide-ranging applications in electronics due to its compact size, high gain, and fast switching speed.

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10個與PMBT3904QAZ在技術方案中應用相關的常見問題與解答

  1. What is the maximum collector current of PMBT3904QAZ?

    • The maximum collector current of PMBT3904QAZ is 200mA.

  2. What is the maximum power dissipation of PMBT3904QAZ?

    • The maximum power dissipation of PMBT3904QAZ is 350mW.

  3. What is the typical hFE (DC current gain) of PMBT3904QAZ?

    • The typical hFE of PMBT3904QAZ is 100-300 at a collector current of 10mA.

  4. What is the maximum Vce (collector-emitter voltage) of PMBT3904QAZ?

    • The maximum Vce of PMBT3904QAZ is 40V.

  5. What are the recommended operating and storage temperatures for PMBT3904QAZ?

    • The recommended operating temperature range for PMBT3904QAZ is -55°C to +150°C, and the storage temperature range is -65°C to +150°C.

  6. Is PMBT3904QAZ suitable for switching applications?

    • Yes, PMBT3904QAZ is suitable for switching applications due to its fast switching speed and low saturation voltage.

  7. Can PMBT3904QAZ be used in audio amplifier circuits?

    • Yes, PMBT3904QAZ can be used in audio amplifier circuits due to its high current gain and low noise characteristics.

  8. What are some common technical solutions where PMBT3904QAZ is commonly used?

    • PMBT3904QAZ is commonly used in applications such as signal amplification, voltage regulation, LED driving, and sensor interfacing.

  9. Does PMBT3904QAZ require any external components for typical applications?

    • PMBT3904QAZ may require external resistors, capacitors, and other components depending on the specific application requirements.

  10. Are there any known reliability issues or failure modes associated with PMBT3904QAZ?

    • PMBT3904QAZ is a reliable and robust transistor with no known major reliability issues or failure modes under normal operating conditions.