ON Semiconductor
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MPSW42RLRA
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MPSW42RLRA

Introduction

The MPSW42RLRA is a bipolar junction transistor (BJT) belonging to the category of small-signal transistors. It is commonly used in electronic circuits for amplification and switching applications due to its high gain and low noise characteristics.

Basic Information Overview

  • Category: Small-signal transistor
  • Use: Amplification and switching in electronic circuits
  • Characteristics: High gain, low noise
  • Package: TO-92
  • Essence: NPN BJT
  • Packaging/Quantity: Typically available in reels of 2000 units

Specifications

  • Collector-Base Voltage (VCBO): 300V
  • Collector-Emitter Voltage (VCEO): 300V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 500mA
  • Power Dissipation (Pd): 625mW
  • Transition Frequency (ft): 250MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The MPSW42RLRA has three pins: 1. Collector (C): Connected to the positive supply voltage in typical usage. 2. Base (B): Used to control the transistor's conductivity. 3. Emitter (E): Connected to the ground or common reference point.

Functional Features

  • High current gain (hFE)
  • Low noise
  • Fast switching speed
  • Wide operating temperature range

Advantages and Disadvantages

Advantages

  • High gain makes it suitable for amplification applications
  • Low noise performance ideal for signal processing circuits
  • Fast switching speed enables efficient switching applications

Disadvantages

  • Limited power handling capability compared to power transistors
  • Susceptible to thermal runaway if not properly biased and heatsinked

Working Principles

The MPSW42RLRA operates based on the principles of current amplification and control. 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 and switching.

Detailed Application Field Plans

The MPSW42RLRA finds extensive use in various electronic applications, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillators - Voltage regulators

Detailed and Complete Alternative Models

Some alternative models to the MPSW42RLRA include: - BC547 - 2N3904 - 2N2222 - PN2222

In conclusion, the MPSW42RLRA is a versatile small-signal transistor with high gain and low noise characteristics, making it suitable for a wide range of electronic applications.

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  1. What is MPSW42RLRA?

    • MPSW42RLRA is a PNP Darlington transistor commonly used in electronic circuits for amplification and switching applications.

  2. What are the key specifications of MPSW42RLRA?

    • The key specifications of MPSW42RLRA include a collector-emitter voltage (VCEO) of 300V, a collector current (IC) of 500mA, and a power dissipation (PD) of 625mW.

  3. How can MPSW42RLRA be used in amplifier circuits?

    • MPSW42RLRA can be used as a high-voltage, high-current amplifier due to its ability to provide significant gain and current amplification.

  4. In what types of switching applications is MPSW42RLRA commonly used?

    • MPSW42RLRA is often used in applications where high voltage and current switching is required, such as motor control circuits and power management systems.

  5. What are the typical operating conditions for MPSW42RLRA?

    • The typical operating conditions for MPSW42RLRA include a collector current (IC) of 100mA, a collector-emitter voltage (VCE) of 10V, and a base current (IB) of 5mA.

  6. Can MPSW42RLRA be used in low-power applications?

    • While MPSW42RLRA is capable of handling high power, it can also be used in low-power applications by appropriately adjusting the operating conditions and circuit design.

  7. What are the thermal considerations for using MPSW42RLRA in technical solutions?

    • Thermal considerations for MPSW42RLRA include proper heat sinking and ensuring that the maximum power dissipation rating is not exceeded to prevent overheating.

  8. Are there any common alternative transistors to MPSW42RLRA?

    • Yes, some common alternative transistors to MPSW42RLRA include TIP127, TIP122, and BD679, which have similar characteristics and can be used as substitutes in certain applications.

  9. What are the typical applications where MPSW42RLRA excels?

    • MPSW42RLRA excels in applications such as high-voltage power supplies, audio amplifiers, and industrial control systems due to its high voltage and current capabilities.

  10. How can I ensure reliable performance when using MPSW42RLRA in my technical solution?

    • To ensure reliable performance, it's important to follow the manufacturer's datasheet recommendations, properly design the circuit for the specific application, and consider factors such as temperature, voltage, and current requirements.