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MJD45H11T4 from ON,ON Semiconductor

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MJD45H11T4

Manufacturer: ON

SILICON POWER TRANSISTORS 8 AMPERES 80 VOLTS 20 WATTS

Partnumber Manufacturer Quantity Availability
MJD45H11T4 ON 32645 In Stock

Description and Introduction

SILICON POWER TRANSISTORS 8 AMPERES 80 VOLTS 20 WATTS # MJD45H11T4: A High-Performance Power Transistor for Robust Applications  

The MJD45H11T4 is a high-performance NPN power transistor designed to meet the demands of power management and switching applications. With its robust construction and reliable performance, this component is an excellent choice for industrial, automotive, and consumer electronics where efficiency and durability are critical.  

## Key Features  

- **High Current Handling**: Capable of sustaining a collector current (IC) of up to 8A, the MJD45H11T4 is well-suited for medium to high-power applications.  
- **Low Saturation Voltage**: With a collector-emitter saturation voltage (VCE(sat)) as low as 1.5V, it ensures minimal power loss, enhancing overall system efficiency.  
- **High Voltage Tolerance**: The device supports a collector-emitter voltage (VCEO) of 80V, making it ideal for circuits requiring higher voltage operations.  
- **Thermal Stability**: The MJD45H11T4 features a power dissipation (PD) of 40W and is housed in a TO-252 (DPAK) package, providing excellent thermal management for prolonged operation under heavy loads.  

## Applications  

This transistor is widely used in power regulation, motor control, and switching circuits. Its high current and voltage ratings make it particularly effective in:  
- DC-DC converters  
- Relay and solenoid drivers  
- Automotive electronic systems  
- Industrial power supplies  

## Reliability and Efficiency  

Engineers and designers favor the MJD45H11T4 for its consistent performance in demanding environments. Its low on-state resistance and fast switching characteristics contribute to reduced energy losses, ensuring optimal efficiency in power applications.  

For those seeking a dependable power transistor with strong thermal and electrical properties, the MJD45H11T4 stands out as a reliable solution for modern electronic designs.

Application Scenarios & Design Considerations

SILICON POWER TRANSISTORS 8 AMPERES 80 VOLTS 20 WATTS

Alternative Part Number

  • TIP42C --: PNP power transistor with similar 80V/6A ratings, widely available and commonly used as a substitute in switching and amplifier circuits.
  • BD242C --: PNP power transistor rated around 100V/3A, suitable for similar medium-power switching and linear applications.
  • 2SB1188 --: PNP power transistor with comparable current and voltage capability, useful as an alternative in general-purpose power switching designs.
  • 2SA1943 --: High-voltage PNP power transistor (230V/15A) in TO-3P, usable as an overrated alternative for audio and general switching applications when board space allows.

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