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MPSW51 from ON,ON Semiconductor

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MPSW51

Manufacturer: ON, MOT

TO-92 Plastic-Encapsulate Biploar Transistors

Partnumber Manufacturer Quantity Availability
MPSW51 ON, MOT 2418 In Stock

Description and Introduction

TO-92 Plastic-Encapsulate Biploar Transistors The **MPSW51** is a high-performance PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. As part of the MPSW series, it offers reliable performance in low-power circuits, making it suitable for use in signal processing, audio amplification, and driver stages.  

With a collector-emitter voltage (V_CEO) of -30V and a continuous collector current (I_C) of -500mA, the MPSW51 provides sufficient capability for many small-signal applications. Its high current gain (h_FE) ranging from 100 to 300 ensures efficient amplification, while a power dissipation of 625mW allows for moderate thermal handling. The transistor is housed in a compact TO-92 package, making it easy to integrate into various circuit designs.  

Key features of the MPSW51 include low saturation voltage, fast switching speeds, and stable operation over a wide temperature range. These characteristics make it particularly useful in audio preamplifiers, signal conditioning circuits, and low-power switching systems. Engineers and hobbyists often favor this component for its balance of performance, affordability, and availability.  

When designing with the MPSW51, proper biasing and heat management should be considered to ensure optimal performance. Datasheet specifications should always be referenced to confirm compatibility with specific circuit requirements.  

Overall, the MPSW51 is a versatile and dependable PNP transistor that continues to be a practical choice for a variety of electronic applications.

Application Scenarios & Design Considerations

TO-92 Plastic-Encapsulate Biploar Transistors

Alternative Part Number

  • 2N3904 --: Widely available general-purpose NPN transistor often used as a functional substitute in low-power switching and amplification circuits.
  • BC547 --: Popular general-purpose NPN transistor with similar small-signal switching characteristics, suitable for many MPSW51 applications.
  • PN2222A --: Standard NPN switching transistor with comparable current and voltage ratings, commonly used as a cross-reference for general-purpose bipolar transistors.
  • 2N4403 --: Widely available PNP general-purpose transistor with similar current and voltage ratings, suitable for many low-power switching and amplifier applications.
  • BC557 --: Common PNP transistor with comparable small-signal characteristics, often used as a drop-in replacement in low-power circuits.
  • 2SA1015 --: PNP transistor with similar voltage and current ratings, commonly used in audio and general-purpose switching circuits.

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