MRF6S19140HR3

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The MRF6S19140HR3 is a high-power gallium nitride (GaN) field effect transistor (FET), used primarily in many RF applications. It is an enhancement-mode device, which features a low-voltage drain-to-source breakdown voltage. It is ideal for applications requiring high power density, wide bandwidth, and high-performance efficiency.

The MRF6S19140HR3 is mainly used in robust amplifier applications such as automotive, industrial and telecommunication. With its high gain bandwidth product (fT) and its superior temperature and power handling characteristics, it is used as an ideal solution for power amplifier applications operating in linear or compression modes.

The MRF6S19140HR3 is designed to operate with a supply voltage range of 4V to 11V. It has a drain current of 100A with a maximum drain current of 150A, a drain-source breakdown voltage of 20V, and a gate threshold voltage of 3.5V. It is capable of delivering an output power of 20 watts at 3.8 GHz and has a maximum output power of 50 watts at 5.6GHz.

In order to achieve the desired high output power and efficiency, the MRF6S19140HR3 features a unique design consisting of two independent FET banks. Each bank has an independent gate drive and output signal. This design allows the device to provide more flexible control over the bandwidth and gain of the output signal.

The MRF6S19140HR3 is also capable of providing efficient operation under various extreme conditions. In cold conditions, it can operate over a temperature range of -55°C to +125°C. In hot conditions, it can operate up to +175°C. Additionally, it has an extended life expectancy of approximately one million hours due to its high reliability.

The working principle of the MRF6S19140HR3 is based on an enhancement-mode MOSFET. When the gate voltage is applied, the current starts flowing from the drain to the source. This current, called the drain-source current and denoted by iDS, is the current flowing through the transistor. The source-drain voltage, denoted as vDS, is also known as the drain-to-source voltage, and is the voltage difference between the drain and source connections of the device. The higher the gate voltage, the more current will be supplied to the drain.<

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