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MPSA10

Manufacturer: FSC, Fairchild

NPN Silicon Epitaxial Planar Transistor

Partnumber Manufacturer Quantity Availability
MPSA10 FSC, Fairchild 19456 In Stock

Description and Introduction

NPN Silicon Epitaxial Planar Transistor # Introduction to the MPSA10 Transistor  

The **MPSA10** is a high-gain, low-power **NPN bipolar junction transistor (BJT)** designed for general-purpose amplification and switching applications. Known for its high current gain (hFE) and low noise characteristics, it is commonly used in audio amplifiers, signal processing circuits, and small-signal switching operations.  

## Key Features  

- **High DC Current Gain (hFE):** Typically ranging from 100 to 500, making it suitable for low-level signal amplification.  
- **Low Noise:** Ideal for preamplifier stages in audio and RF circuits.  
- **Moderate Voltage and Current Ratings:** Supports collector-emitter voltages (VCEO) up to 45V and collector currents (IC) up to 500mA.  
- **Compact Package:** Available in TO-92 packaging, ensuring easy integration into various circuit designs.  

## Applications  

The MPSA10 is widely used in:  
- **Audio amplifiers** (preamplifiers and tone control circuits).  
- **Signal conditioning** in sensor interfaces.  
- **Switching circuits** for relays and LEDs.  
- **Oscillators and RF stages** in communication devices.  

## Considerations  

While the MPSA10 excels in low-power applications, designers should ensure proper biasing and thermal management to maintain performance. Its high gain makes it sensitive to temperature variations, so stable operating conditions are recommended.  

In summary, the MPSA10 is a versatile, cost-effective transistor well-suited for amplification and switching tasks in consumer electronics, industrial controls, and communication systems. Its reliability and performance make it a popular choice among engineers and hobbyists alike.

Application Scenarios & Design Considerations

NPN Silicon Epitaxial Planar Transistor

Alternative Part Number

  • 2N3904 --: Widely available NPN general-purpose transistor with similar small-signal switching characteristics and low cost.
  • BC547 --: Common NPN transistor with comparable current gain and voltage ratings, suitable for general amplification and switching.
  • 2N2222A --: Robust NPN transistor with higher current capability, often used as a drop-in substitute in general-purpose circuits.

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