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MPSA55_D74Z
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MPSA55_D74Z

Product Overview

Category: Transistor
Use: Amplification and switching of electronic signals
Characteristics: Small signal NPN bipolar junction transistor, high current gain, low noise
Package: TO-92
Essence: Amplifying weak electronic signals
Packaging/Quantity: Bulk packaging, 1000 units per pack

Specifications

  • Collector-Base Voltage (VCBO): 80V
  • Collector-Emitter Voltage (VCEO): 60V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 500mA
  • Power Dissipation (PD): 625mW
  • Transition Frequency (fT): 150MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

  1. Emitter (E)
  2. Base (B)
  3. Collector (C)

Functional Features

  • High current gain
  • Low noise
  • Fast switching speed

Advantages

  • Small size
  • High current gain
  • Low noise

Disadvantages

  • Limited power dissipation
  • Limited voltage and current ratings

Working Principles

The MPSA55_D74Z is a small signal NPN bipolar junction transistor that operates by amplifying weak electronic signals. When a small current flows into the base terminal, it controls a much larger current flowing between the collector and emitter terminals, allowing for signal amplification.

Detailed Application Field Plans

The MPSA55_D74Z is commonly used in audio amplifiers, signal processing circuits, and low-power switching applications due to its high current gain and low noise characteristics. It is also utilized in sensor interfaces and voltage regulators.

Detailed and Complete Alternative Models

  • BC547
  • 2N3904
  • 2N2222

This comprehensive entry provides detailed information about the MPSA55_D74Z transistor, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του MPSA55_D74Z σε τεχνικές λύσεις

  1. What is MPSA55_D74Z?

    • MPSA55_D74Z is a high voltage NPN bipolar junction transistor (BJT) commonly used in electronic circuits for amplification and switching applications.

  2. What are the typical applications of MPSA55_D74Z?

    • MPSA55_D74Z is commonly used in audio amplifiers, voltage regulators, motor control circuits, and other general-purpose electronic applications requiring high voltage and current capabilities.

  3. What are the key specifications of MPSA55_D74Z?

    • The key specifications of MPSA55_D74Z include a maximum collector-emitter voltage (VCEO) of 300V, a continuous collector current (IC) of 500mA, and a power dissipation (PD) of 625mW.

  4. How do I properly bias MPSA55_D74Z in a circuit?

    • Proper biasing of MPSA55_D74Z involves setting the base current to a level that ensures the transistor operates within its specified parameters. This typically involves using a suitable base resistor to limit the base current.

  5. Can MPSA55_D74Z be used for high-frequency applications?

    • While MPSA55_D74Z can function at moderate frequencies, it is not optimized for high-frequency applications due to its transition frequency and capacitance characteristics.

  6. What are the recommended operating conditions for MPSA55_D74Z?

    • It is recommended to operate MPSA55_D74Z within a temperature range of -55°C to 150°C and to ensure that the maximum ratings for voltage, current, and power dissipation are not exceeded.

  7. Are there any common failure modes associated with MPSA55_D74Z?

    • Common failure modes for MPSA55_D74Z include thermal runaway due to excessive power dissipation, overvoltage breakdown, and overstress from improper handling or static discharge.

  8. Can MPSA55_D74Z be used in automotive applications?

    • MPSA55_D74Z can be used in certain automotive applications, but it is important to ensure that it meets the specific requirements and standards for automotive electronics.

  9. What are some alternative transistors to consider if MPSA55_D74Z is not available?

    • Alternatives to MPSA55_D74Z include similar high voltage NPN transistors such as BC546, 2N5551, and KSP2222A, which may have comparable characteristics for certain applications.

  10. Where can I find detailed application notes and reference designs for using MPSA55_D74Z in technical solutions?

    • Detailed application notes and reference designs for MPSA55D74Z can often be found in the manufacturer's datasheet, application guides, and technical support resources. Additionally, online forums and communities dedicated to electronics may provide valuable insights and examples of MPSA55D74Z usage in technical solutions.