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MPSW01A from ON,ON Semiconductor

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MPSW01A

Manufacturer: ON, FAIRCHILD, FSC

One Watt High Current Transistors

Partnumber Manufacturer Quantity Availability
MPSW01A ON, FAIRCHILD, FSC 10625 In Stock

Description and Introduction

One Watt High Current Transistors # Introduction to the MPSW01A Transistor  

The **MPSW01A** is a general-purpose PNP bipolar junction transistor (BJT) designed for low-power amplification and switching applications. With a compact TO-92 package, it is widely used in consumer electronics, signal processing, and small control circuits where efficient current handling and reliability are essential.  

Key specifications of the MPSW01A include a collector-emitter voltage (*VCEO*) of -40V and a continuous collector current (*IC*) of -500mA, making it suitable for moderate-load applications. Its DC current gain (*hFE*) ranges between 100 and 300, ensuring stable performance in amplification tasks. The transistor also features low saturation voltage, enhancing energy efficiency in switching operations.  

Common applications include audio amplifiers, signal drivers, and relay control circuits. Its robust construction and consistent performance under varying conditions make it a reliable choice for hobbyists and engineers alike.  

When integrating the MPSW01A into a circuit, proper biasing and heat dissipation should be considered to maximize longevity and efficiency. Always refer to the datasheet for precise operating conditions and thermal characteristics.  

In summary, the MPSW01A is a versatile PNP transistor that balances performance, affordability, and ease of use, making it a practical component for various electronic designs.

Application Scenarios & Design Considerations

One Watt High Current Transistors

Alternative Part Number

  • 2N3904 --: General-purpose NPN transistor in TO-92, widely available and commonly used as a substitute for small-signal switching applications.
  • BC547 --: Popular NPN small-signal transistor in TO-92 with similar low-current switching characteristics and broad availability.
  • PN2222A --: Standard NPN switching transistor in TO-92 offering comparable current and voltage ratings for general-purpose use.
  • 2N2222A --: Robust NPN switching transistor in TO-92 with higher current capability, commonly used as a drop-in alternative for general-purpose small-signal NPN applications.

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