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MPSA29 from FSC,Fairchild Semiconductor

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MPSA29

Manufacturer: FSC, MOTO, ON, MOTOROLA, Fairchild

Leaded Small Signal Transistor Darlington

Partnumber Manufacturer Quantity Availability
MPSA29 FSC, MOTO, ON, MOTOROLA, Fairchild 1716 In Stock

Description and Introduction

Leaded Small Signal Transistor Darlington # Introduction to the MPSA29 Transistor  

The **MPSA29** is a high-voltage NPN bipolar junction transistor (BJT) designed for applications requiring robust performance in demanding electronic circuits. Known for its high breakdown voltage and reliable switching characteristics, the MPSA29 is commonly used in power supply circuits, voltage regulators, and amplification stages where elevated voltage handling is essential.  

With a collector-emitter voltage (**VCEO**) rating of up to 300V, the MPSA29 is well-suited for high-voltage switching and amplification tasks. Its moderate current gain (**hFE**) ensures stable operation in linear and switching applications, while its low saturation voltage enhances efficiency in power circuits.  

The transistor is housed in a **TO-92** package, making it compact and easy to integrate into various circuit designs. Its robust construction ensures durability in industrial and consumer electronics, where consistent performance under varying conditions is critical.  

Typical applications of the MPSA29 include:  
- High-voltage power supplies  
- Voltage regulation circuits  
- Audio amplification stages  
- Switching and driver circuits  

Engineers and hobbyists favor the MPSA29 for its balance of performance, cost-effectiveness, and reliability. When selecting this transistor, it is important to consider proper heat dissipation and biasing to ensure optimal operation in high-voltage environments.  

In summary, the MPSA29 is a versatile and dependable component for electronic designs requiring high-voltage handling, making it a valuable choice for both professional and experimental applications.

Application Scenarios & Design Considerations

Leaded Small Signal Transistor Darlington

Alternative Part Number

  • 2N6426 --: NPN Darlington transistor with similar high gain and current rating, widely available and commonly used as a direct substitute for MPSA29.
  • BC517 --: NPN Darlington transistor offering comparable gain and voltage ratings, suitable for general-purpose switching and amplification replacement.
  • MMBTA14 --: SMD NPN Darlington transistor with similar electrical characteristics; good alternative when surface-mount package is acceptable.
  • MMBTA28 --: NPN Darlington transistor in SOT-23 with similar electrical characteristics; a practical alternative when a surface-mount package is acceptable.
  • MMBTA29 --: SMD NPN Darlington with equivalent electrical characteristics to the MPSA29, ideal when a surface-mount alternative is needed.

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