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MPS918 from MOTOROLA

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MPS918

Manufacturer: MOTOROLA, ME

NPN small signal high frequency amplifier & oscillator.

Partnumber Manufacturer Quantity Availability
MPS918 MOTOROLA, ME 2577 In Stock

Description and Introduction

NPN small signal high frequency amplifier & oscillator. # Introduction to the MPS918 Electronic Component  

The **MPS918** is a widely used electronic component known for its reliability and versatility in various circuit applications. As a general-purpose **NPN bipolar junction transistor (BJT)**, it is commonly employed in amplification, switching, and signal processing tasks.  

### Key Features  
- **High Current Gain (hFE):** The MPS918 offers a moderate to high current gain, making it suitable for low-power amplification.  
- **Low Voltage Operation:** Designed for low-voltage circuits, it is often used in battery-powered devices and small-signal applications.  
- **Compact Package:** Typically available in a TO-92 package, the MPS918 is easy to integrate into compact circuit designs.  

### Applications  
Due to its dependable performance, the MPS918 is frequently found in:  
- Audio amplifiers  
- Signal conditioning circuits  
- Switching modules  
- Sensor interfaces  

### Electrical Characteristics  
The transistor operates within standard voltage and current limits, with a collector-emitter voltage (**VCE**) typically rated up to 30V and a collector current (**IC**) of around 500mA. These specifications make it a practical choice for hobbyist projects and industrial applications alike.  

### Conclusion  
The MPS918 remains a popular choice among engineers and electronics enthusiasts for its balance of performance, affordability, and ease of use. Whether in prototyping or production, this transistor continues to serve as a fundamental building block in electronic design.

Application Scenarios & Design Considerations

NPN small signal high frequency amplifier & oscillator.

Alternative Part Number

  • 2N918 --: Classic NPN VHF/UHF transistor in the same family as the MPS918, widely available and electrically similar for RF amplifier and oscillator use.
  • PN918 --: NPN RF transistor with comparable VHF performance and pinout, commonly used as a direct substitute for MPS918 in small-signal RF circuits.
  • BF199 --: NPN VHF transistor with similar gain and frequency characteristics, suitable replacement where MPS918 is used in RF and general-purpose amplifier stages.

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