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MPSA25 Specifications

Detailed technical information and Application Scenarios

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PartNumberManufactorQuantityAvailability
MPSA25S991Yes

# Introduction to the MPSA25 Transistor The **MPSA25** is a high-voltage NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications.

# Introduction to the MPSA25 Transistor

The MPSA25 is a high-voltage NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its robust performance, this component is commonly used in circuits requiring medium power handling and elevated voltage levels.

## Key Features

  • High Voltage Capability: The MPSA25 can withstand collector-emitter voltages (VCEO) up to 250V, making it suitable for high-voltage circuits.
  • Moderate Current Handling: With a continuous collector current (IC) of 500mA, it is well-suited for low to medium-power applications.
  • Good Gain Characteristics: The transistor offers a DC current gain (hFE) ranging from 40 to 250, ensuring reliable signal amplification.
  • Low Saturation Voltage: This feature enhances efficiency in switching applications.

## Typical Applications

The MPSA25 is widely used in:

  • Audio amplifiers
  • Voltage regulators
  • Relay and motor drivers
  • High-voltage signal switching

## Package and Pin Configuration

The transistor is typically housed in a TO-92 package, with standard pin assignments: Emitter (E), Base (B), Collector (C). Its compact size and ease of use make it a popular choice for prototyping and commercial designs.

## Conclusion

With its high-voltage tolerance and dependable performance, the MPSA25 remains a versatile choice for engineers and hobbyists working on amplification and switching circuits. Proper heat management and adherence to datasheet specifications ensure optimal operation.

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