ON Semiconductor
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MPSA42_J18Z
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MPSA42_J18Z

Product Overview

Category

The MPSA42_J18Z 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 MPSA42_J18Z is typically available in a TO-92 package.

Essence

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

Packaging/Quantity

The MPSA42_J18Z is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 300V
  • Collector-Emitter Voltage (VCEO): 300V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 500mA
  • Power Dissipation (PD): 625mW
  • DC Current Gain (hFE): 40-250
  • Transition Frequency (fT): 250MHz

Detailed Pin Configuration

The MPSA42_J18Z has three pins: collector, base, and emitter. The pinout configuration is as follows: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High voltage capability
  • Low leakage current
  • Wide range of hFE values

Advantages

  • Versatile application in amplification and switching circuits
  • High voltage tolerance
  • Compact size

Disadvantages

  • Limited maximum current handling capability
  • Relatively low transition frequency compared to some alternatives

Working Principles

The MPSA42_J18Z operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The MPSA42_J18Z finds extensive use in the following applications: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the MPSA42_J18Z include: - 2N4403 - BC557 - BC558 - 2N3906

In conclusion, the MPSA42_J18Z is a versatile small signal transistor with high voltage capability and wide application in electronic circuits. Its compact size and low power consumption make it an ideal choice for various amplification and switching applications.

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Énumérez 10 questions et réponses courantes liées à l'application de MPSA42_J18Z dans les solutions techniques

  1. What is the MPSA42_J18Z transistor used for?

    • The MPSA42_J18Z is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications.

  2. What are the key specifications of the MPSA42_J18Z transistor?

    • The MPSA42_J18Z transistor typically has a collector current (IC) rating of 500mA, a collector-emitter voltage (VCEO) of 300V, and a power dissipation (Pd) of 625mW.

  3. How can I use the MPSA42_J18Z in an amplification circuit?

    • The MPSA42_J18Z can be used as a common-emitter amplifier by biasing the base with a suitable voltage and connecting the collector to the load resistor.

  4. Can the MPSA42_J18Z be used for switching applications?

    • Yes, the MPSA42_J18Z can be used for low-power switching applications due to its moderate current and voltage ratings.

  5. What are the typical operating conditions for the MPSA42_J18Z?

    • The MPSA42_J18Z is typically operated within a temperature range of -55°C to 150°C and is suitable for low to moderate frequency applications.

  6. How do I determine the appropriate biasing for the MPSA42_J18Z in my circuit?

    • The biasing of the MPSA42_J18Z can be determined using standard transistor biasing techniques such as fixed bias, emitter bias, or voltage divider bias.

  7. Are there any specific considerations for using the MPSA42_J18Z in high-frequency applications?

    • While the MPSA42_J18Z can be used in moderate frequency applications, it may not be suitable for very high-frequency applications due to its transition frequency limitations.

  8. What are some common alternatives to the MPSA42_J18Z transistor?

    • Common alternatives to the MPSA42_J18Z include the 2N3904, BC547, and BC548 transistors, which have similar characteristics and can be used in similar applications.

  9. Can the MPSA42_J18Z be used in audio amplifier circuits?

    • Yes, the MPSA42_J18Z can be used in small-signal audio amplifier circuits, especially for low-power applications.

  10. Where can I find detailed application notes and reference designs for using the MPSA42_J18Z in technical solutions?

    • Detailed application notes and reference designs for the MPSA42_J18Z can be found in the datasheet provided by the manufacturer, as well as in various electronics engineering resources and forums.