ON Semiconductor
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MMBTA42LT3G
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MMBTA42LT3G

Product Overview

Category

The MMBTA42LT3G 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 MMBTA42LT3G is typically available in a SOT-23 package.

Essence

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

Packaging/Quantity

The MMBTA42LT3G is usually packaged in reels containing a specific quantity, such as 3000 units per reel.

Specifications

  • Maximum Collector-Base Voltage: 300V
  • Maximum Collector Current: 600mA
  • Power Dissipation: 225mW
  • Transition Frequency: 250MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The MMBTA42LT3G has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High voltage capability
  • Low leakage current
  • High current gain

Advantages

  • Small form factor
  • Versatile usage in various electronic circuits
  • Suitable for low-power applications

Disadvantages

  • Limited maximum collector current compared to other transistors
  • Relatively lower transition frequency

Working Principles

The MMBTA42LT3G 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 MMBTA42LT3G is widely used in: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the MMBTA42LT3G include: - 2N3904 - BC547 - 2N2222

In conclusion, the MMBTA42LT3G is a versatile small signal transistor with high voltage capability and low power consumption, making it suitable for a wide range of electronic applications. Its compact size and functional features make it an essential component in modern electronic circuit design.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MMBTA42LT3G i tekniske løsninger

  1. What is MMBTA42LT3G?

    • MMBTA42LT3G is a high-performance NPN bipolar transistor used in various technical solutions.

  2. What are the key specifications of MMBTA42LT3G?

    • The key specifications include a maximum collector current of 300mA, a maximum collector-emitter voltage of 300V, and a maximum power dissipation of 225mW.

  3. In what applications can MMBTA42LT3G be used?

    • MMBTA42LT3G is commonly used in switching and amplification applications such as signal processing, audio amplification, and general purpose switching circuits.

  4. What are the thermal characteristics of MMBTA42LT3G?

    • The thermal resistance from junction to ambient is typically 625°C/W, and the junction temperature should not exceed 150°C.

  5. What are the recommended operating conditions for MMBTA42LT3G?

    • The recommended operating conditions include a collector current of 100mA, a collector-emitter voltage of 40V, and an ambient temperature range of -55°C to 150°C.

  6. How does MMBTA42LT3G compare to other transistors in its class?

    • MMBTA42LT3G offers low saturation voltage, high current gain, and low equivalent on-resistance, making it suitable for various technical solutions.

  7. Are there any specific layout considerations when using MMBTA42LT3G?

    • It is important to minimize the length of the traces connecting the transistor to other components to reduce parasitic effects and ensure stable operation.

  8. Can MMBTA42LT3G be used in high-frequency applications?

    • While MMBTA42LT3G has moderate transition frequency characteristics, it may not be suitable for very high-frequency applications above a few megahertz.

  9. What are the typical packaging options available for MMBTA42LT3G?

    • MMBTA42LT3G is commonly available in SOT-23 surface mount packages, which offer compact size and ease of assembly.

  10. Where can I find detailed application notes and reference designs for MMBTA42LT3G?

    • Detailed application notes and reference designs for MMBTA42LT3G can be found in the manufacturer's datasheet and application guides, providing comprehensive guidance for incorporating the transistor into technical solutions.