MRF5S4140HSR5

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The MRF5S4140HSR5 is an RF MOSFET Transistor designed to be used in amplifier applications. The transistor features high output power and low voltage operation. It is suitable for applications such as cellular base stations, RF amplifiers, and microwave applications. The MRF5S4140HSR5 is part of Motorola\'s HSR Series of power devices.

Features:

• High Output Power: 4 W
• Typical VSWR: 2.5:1
• Low Voltage Operation: 9.3V
• High Gain: 17dB
• Low Thermal Resistance: 0.09°C/W

Application Field:

The MRF5S4140HSR5 RF transistor is ideal for a variety of applications requiring high power and low voltage operation. It is used in applications such as cellular base stations, RF amplifiers, and microwave applications. It is also the ideal choice for applications requiring high gain, low thermal resistance, and low VSWR.

Working Principle:

The MRF5S4140HSR5 is an RF MOSFET transistor that utilizes field-effect operation. This device features an N-Channel MOSFET, which allows it to operate at very low voltages while providing increased output. The device is designed to use the MOSFET’s gate region to control the current through the Source and Drain regions. By applying a drain-source voltage (VDS), the MOSFET transistor turns on and allows current to flow through the drain.

The Gate region acts as a capacitance in a very small area across the MOSFET, allowing it to control the current flowing into the drain. The Gate region also acts as a resistive element, allowing it to function as a controllable amplifier. When the gate voltage (VGS) is increased, more current flows into the drain, while decreasing the gate voltage reduces the current flow.

The MRF5S4140HSR5 is a very efficient transistor that can operate over a wide range of frequencies and temperatures. It has a low thermal resistance, which means that it can provide high power output even in extreme conditions. The transistor is also designed to have a low VSWR and high gain, ensuring it performs well in a variety of applications.

Conclusion:

The MRF5S4140HSR5 has a wide range of features that make it an ideal choice for many RF amplifier applications. It operates at low voltages while providing increased output power. The device has a low thermal resistance and VSWR, as well as high gain. The MRF5S4140HSR5 is suitable for applications such as cellular base stations, RF amplifiers, and microwave applications.

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