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MMBT3904-13

MMBT3904-13

Introduction

The MMBT3904-13 is a widely used NPN bipolar junction transistor (BJT) belonging to the category of small signal transistors. This versatile component finds applications in various electronic circuits due to its unique characteristics and performance.

Basic Information Overview

  • Category: Small Signal Transistor
  • Use: Amplification, Switching
  • Characteristics: High voltage and current gain, low noise, fast switching speed
  • Package: SOT-23
  • Essence: NPN BJT
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Collector-Base Voltage (VCBO): 60V
  • Collector-Emitter Voltage (VCEO): 40V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 200mA
  • Power Dissipation (Pd): 350mW
  • Transition Frequency (ft): 250MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The MMBT3904-13 transistor has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High voltage and current gain make it suitable for amplification purposes.
  • Low noise characteristic enables use in sensitive signal processing circuits.
  • Fast switching speed allows for efficient switching applications.

Advantages and Disadvantages

Advantages

  • Versatile applications in amplification and switching circuits.
  • Small form factor and easy to handle due to SOT-23 package.
  • High transition frequency enables high-frequency applications.

Disadvantages

  • Limited power dissipation capability compared to larger transistors.
  • Relatively lower collector current rating restricts high-power applications.

Working Principles

The MMBT3904-13 operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a much larger current between the collector and emitter terminals, allowing for amplification or switching of signals.

Detailed Application Field Plans

The MMBT3904-13 is commonly used in the following applications: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillators

Detailed and Complete Alternative Models

Some alternative models to MMBT3904-13 include: - 2N3904 - BC547 - PN2222

In conclusion, the MMBT3904-13 NPN transistor offers a balance of performance and versatility, making it an essential component in various electronic circuits.

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技術ソリューションにおける MMBT3904-13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the MMBT3904-13 transistor used for?

    • The MMBT3904-13 is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the MMBT3904-13 transistor?

    • The MMBT3904-13 transistor typically has a maximum collector current of 200mA, a maximum collector-base voltage of 60V, and a maximum power dissipation of 350mW.

  3. How can I use the MMBT3904-13 in an amplifier circuit?

    • The MMBT3904-13 can be used as a small-signal amplifier in audio or radio frequency (RF) circuits by biasing it in the active region and connecting appropriate input and output components.

  4. Can the MMBT3904-13 be used for switching applications?

    • Yes, the MMBT3904-13 can be used to switch moderate loads on and off in digital or analog circuits when biased properly and driven with appropriate base current.

  5. What are some common circuit configurations for the MMBT3904-13?

    • Common configurations include common-emitter, common-base, and emitter-follower configurations, each offering different advantages in specific applications.

  6. Are there any special considerations for using the MMBT3904-13 in high-frequency applications?

    • Yes, at higher frequencies, parasitic capacitances and inductances become more significant, so careful attention to layout and component selection is important for optimal performance.

  7. What are the typical operating conditions for the MMBT3904-13?

    • The MMBT3904-13 is typically operated within a temperature range of -55°C to 150°C and is suitable for use in a wide variety of electronic devices and systems.

  8. Can the MMBT3904-13 be used in low-power applications?

    • Yes, the MMBT3904-13 is well-suited for low-power applications due to its relatively low collector current and power dissipation ratings.

  9. What are some potential alternatives to the MMBT3904-13 for similar applications?

    • Alternatives include the 2N2222, BC547, and BC548 transistors, which have similar characteristics and can be used in many of the same applications.

  10. Where can I find detailed application notes and reference designs for the MMBT3904-13?

    • Detailed application notes and reference designs for the MMBT3904-13 can often be found in the datasheet provided by the manufacturer, as well as in various electronics textbooks and online resources.