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MPSW45A from ON,ON Semiconductor

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MPSW45A

Manufacturer: ON

One Watt Darlington Transistors

Partnumber Manufacturer Quantity Availability
MPSW45A ON 5000 In Stock

Description and Introduction

One Watt Darlington Transistors # Introduction to the MPSW45A Transistor  

The **MPSW45A** is a high-voltage, low-power PNP bipolar junction transistor (BJT) designed for applications requiring reliable switching and amplification. With a collector-emitter voltage (*VCEO*) rating of **-45V** and a continuous collector current (*IC*) of **-500mA**, it is well-suited for use in power management, signal amplification, and general-purpose switching circuits.  

This transistor features a compact **TO-92** package, making it easy to integrate into various circuit designs while maintaining efficient thermal performance. Its high current gain (*hFE*) ensures stable operation in amplification stages, while its fast switching characteristics make it useful in digital and analog control applications.  

Key specifications of the MPSW45A include:  
- **Collector-Emitter Voltage (VCEO):** -45V  
- **Collector Current (IC):** -500mA  
- **Power Dissipation (PD):** 625mW  
- **Transition Frequency (fT):** 50MHz  

Common applications include voltage regulation, relay driving, and low-power amplification in consumer electronics, industrial controls, and automotive systems. Engineers and hobbyists favor the MPSW45A for its balance of performance, durability, and cost-effectiveness.  

When designing circuits with this transistor, proper heat dissipation and current limiting should be considered to ensure optimal performance and longevity. Its datasheet provides detailed electrical characteristics and operating guidelines for reliable implementation.  

The MPSW45A remains a versatile choice for designers seeking a robust PNP transistor for medium-voltage applications.

Application Scenarios & Design Considerations

One Watt Darlington Transistors

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