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MPSA55 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MPSA55MOTO1958Yes

# Introduction to the MPSA55 Transistor The **MPSA55** is a **PNP bipolar junction transistor (BJT)** commonly used in amplification and switching applications.

# Introduction to the MPSA55 Transistor

The MPSA55 is a PNP bipolar junction transistor (BJT) commonly used in amplification and switching applications. Designed for general-purpose use, it offers reliable performance in low-power circuits, making it a versatile choice for hobbyists and engineers alike.

Key Features

  • High Voltage Capability: The MPSA55 can handle collector-emitter voltages up to -60V, making it suitable for medium-voltage applications.
  • Moderate Current Handling: With a collector current rating of -500mA, it is well-suited for small-signal amplification and switching tasks.
  • Low Noise: Its design ensures minimal noise interference, which is beneficial for audio and signal processing circuits.

Applications

The MPSA55 is frequently used in:

  • Audio amplifiers
  • Signal amplification stages
  • Switching circuits
  • Voltage regulators

Complementary Pair

For complementary push-pull configurations, the MPSA55 (PNP) is often paired with its NPN counterpart, the MPSA05, ensuring balanced performance in symmetrical circuits.

Packaging

The transistor is typically available in a TO-92 package, which is compact and easy to mount on breadboards or PCBs.

Conclusion

With its robust voltage tolerance and dependable performance, the MPSA55 remains a practical choice for various electronic designs. Whether used in amplification or switching, it provides a cost-effective solution for low to medium-power applications.

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