Diodes Incorporated
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MMDT3904-7
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MMDT3904-7

Product Overview

Category

The MMDT3904-7 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 MMDT3904-7 is typically available in a SOT-363 package.

Essence

This transistor is essential for electronic circuit design, especially in low-power applications.

Packaging/Quantity

It is usually supplied in reels with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Collector-Base Voltage: 40V
  • Maximum Collector Current: 200mA
  • Power Dissipation: 225mW
  • Transition Frequency: 300MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The MMDT3904-7 has a total of 5 pins: 1. Base (B) 2. Emitter (E1) 3. Emitter (E2) 4. Collector (C1) 5. Collector (C2)

Functional Features

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

Advantages

  • Small form factor
  • Versatile usage in various electronic circuits
  • Reliable performance

Disadvantages

  • Limited maximum collector current
  • Sensitive to overvoltage conditions

Working Principles

The MMDT3904-7 operates based on the principles of bipolar junction transistors, utilizing the control of current flow for signal amplification and switching.

Detailed Application Field Plans

The MMDT3904-7 is widely used in: - Audio amplifiers - Signal processing circuits - Sensor interfaces - Oscillator circuits - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the MMDT3904-7 include: - 2N3904 - BC547 - 2SC945 - PN2222A

In conclusion, the MMDT3904-7 is a versatile small signal transistor with wide-ranging applications in electronic circuit design. Its compact size, high gain, and fast switching speed make it an essential component in various low-power electronic systems.

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Énumérez 10 questions et réponses courantes liées à l'application de MMDT3904-7 dans les solutions techniques

  1. What is the MMDT3904-7?

    • The MMDT3904-7 is a dual NPN small signal transistor in a common cathode configuration.

  2. What are the typical applications of MMDT3904-7?

    • It is commonly used in amplification, switching, and other general-purpose applications in electronic circuits.

  3. What is the maximum collector current for MMDT3904-7?

    • The maximum collector current for MMDT3904-7 is 200mA per transistor.

  4. What is the maximum power dissipation for MMDT3904-7?

    • The maximum power dissipation for MMDT3904-7 is 350mW per transistor.

  5. What is the voltage rating for MMDT3904-7?

    • The voltage rating for MMDT3904-7 is 40V.

  6. What are the typical gain values for MMDT3904-7?

    • The typical gain values for MMDT3904-7 range from 100 to 300.

  7. Can MMDT3904-7 be used in high-frequency applications?

    • Yes, MMDT3904-7 can be used in moderate to high-frequency applications due to its fast switching characteristics.

  8. Is MMDT3904-7 suitable for low-noise applications?

    • Yes, MMDT3904-7 is suitable for low-noise applications due to its low base spreading resistance.

  9. What are the temperature specifications for MMDT3904-7?

    • The operating temperature range for MMDT3904-7 is typically -55°C to 150°C.

  10. Are there any specific layout considerations for using MMDT3904-7 in a circuit?

    • It is recommended to minimize lead lengths and keep input and output traces short to reduce parasitic effects and maintain stability in the circuit.