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MPSA42ZL1G from ON,ON Semiconductor

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MPSA42ZL1G

Manufacturer: ON

High Voltage Transistors

Partnumber Manufacturer Quantity Availability
MPSA42ZL1G ON 30191 In Stock

Description and Introduction

High Voltage Transistors # Introduction to the MPSA42ZL1G Transistor  

The **MPSA42ZL1G** is a high-voltage NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its robust performance in demanding circuits, this component is widely used in power supplies, telecommunication systems, and industrial control modules.  

With a collector-emitter voltage (**VCEO**) rating of **300V**, the MPSA42ZL1G can handle high-voltage operations efficiently. Its moderate current capability, with a continuous collector current (**IC**) of **500mA**, makes it suitable for low to medium-power applications. Additionally, the device features a high DC current gain (**hFE**), ensuring reliable signal amplification.  

Packaged in a compact **SOT-23** surface-mount form factor, the MPSA42ZL1G is ideal for space-constrained designs while maintaining thermal stability. Its low saturation voltage enhances energy efficiency in switching circuits, reducing power losses.  

Engineers often select this transistor for its durability and consistent performance across a wide temperature range, making it a dependable choice for both commercial and industrial electronics. Whether used in voltage regulators, relay drivers, or audio amplifiers, the MPSA42ZL1G provides a cost-effective solution without compromising reliability.  

For optimal performance, proper circuit design considerations—such as appropriate biasing and heat dissipation—should be followed to maximize the transistor’s lifespan and efficiency.

Application Scenarios & Design Considerations

High Voltage Transistors

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