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MPSW56 from FAIRCHILD,Fairchild Semiconductor

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MPSW56

Manufacturer: FAIRCHILD, MOTOROLA, FSC

One Watt Amplifier Transistors

Partnumber Manufacturer Quantity Availability
MPSW56 FAIRCHILD, MOTOROLA, FSC 24560 In Stock

Description and Introduction

One Watt Amplifier Transistors # Introduction to the MPSW56 Transistor  

The **MPSW56** is a PNP bipolar junction transistor (BJT) commonly used in switching and amplification applications. Designed for medium-power applications, it features a collector current rating of **500 mA** and a collector-emitter voltage (**VCE**) of **80 V**, making it suitable for various electronic circuits requiring reliable performance.  

### Key Features  
- **High Voltage Capability:** With a **VCEO** of 80 V, the MPSW56 can handle moderate voltage levels in power supply and control circuits.  
- **Moderate Current Handling:** A maximum collector current of 500 mA allows it to drive small relays, LEDs, and other low-power loads.  
- **Low Saturation Voltage:** Ensures efficient switching performance with minimal power loss.  
- **TO-92 Package:** Compact and widely compatible, facilitating easy integration into circuit designs.  

### Typical Applications  
The MPSW56 is often employed in:  
- **Switching circuits** (relay drivers, motor control).  
- **Signal amplification** in audio and sensor interfaces.  
- **Voltage regulation** and power management systems.  

### Considerations  
While the MPSW56 is robust for its class, designers should ensure proper heat dissipation in high-current applications and adhere to its absolute maximum ratings to prevent damage.  

In summary, the MPSW56 is a versatile PNP transistor well-suited for low-to-medium power applications, offering a balance of performance and reliability. Its straightforward use and availability make it a practical choice for hobbyists and engineers alike.

Application Scenarios & Design Considerations

One Watt Amplifier Transistors

Alternative Part Number

  • 2N3904 --: Widely available general-purpose NPN transistor with similar small-signal switching characteristics and pinout, easy drop-in for many MPSW56 applications.
  • BC547 --: Common low-power NPN transistor with comparable voltage and current ratings, suitable alternative when gain and switching behavior are not critical.
  • 2N2222A --: Robust general-purpose NPN transistor with higher current capability, often used as a substitute where slightly higher ratings are acceptable.
  • 2N4401 --: General-purpose NPN transistor with similar small-signal switching characteristics and widely available as a functional substitute.
  • BC337 --: NPN transistor with comparable current gain and voltage ratings, suitable for general switching and amplification replacement.
  • PN2222A --: Popular NPN switching transistor with similar ratings, commonly used as a cross-reference for general-purpose small-signal applications.

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