MUR120

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MUR120 is a fast recovery rectifier diode designed for surface mounting applications that require high current and low losses. The package helps to miniaturize the device and provide a cost-effective solution for applications from 120 to 140Volt DC input. The device has a fast transient response due to its low recovery time of only 15ns. It is also designed to withstand a maximum of 1A continuous forward current and 350V continuous reverse current, which makes it ideal for power supplies, protection circuits and DC motors.

The MUR120 is a rectifier diode that is composed of two distinct and separate semiconductor paths, an anode and a cathode. These two paths are connected in series and form the overall structure of the diode. When a voltage is applied to the diode, an electron current flows in one direction, namely that of the anode to the cathode. This current is limited to a single direction, allowing the diode to function as a rectifier. As the electrons flow through the anode, they traverse the body of the semiconductor and the gate regions, which act as the barrier between the anode and the cathode side of the diode.

The MUR120 also has a fast turn-off action, which makes it ideal for switched mode power supplies. When the current flow through the diode falls below the device on threshold current, the diode is automatically switched off, preventing any excessive current flow. Additionally, the device voltage rating is usually slightly higher than the power supply voltage applied, further increasing protection from over-voltage conditions.

The MUR120 also has an inherent ability to reduce the current ripple in circuits, this property making it well suited for use in Noise Emission Reduction (NER) applications. The fast turn-off action reduces noise spikes which should be kept as low as possible as they can be seen as a distortion in signal. This makes the MUR 120 a welcome addition to any circuit where signal distortion is a concern.

The MUR120 can also be used in circuits that require fast switching of large currents, as it has a very low capacitance which limits the time the device is in transition. This makes it the choice of many high power supply manufacturers as switching speed is an essential feature. In addition, the device has a low leakage current in reverse bias, which is useful in any circuit where minimal leakage current is important.

Overall, the MUR120 is an excellent choice for many applications as it has good power dissipation, high efficiency and low profile. It is a fast rectifier diode which can be helpful in many applications, from DC motors to power supplies, protection circuits and noise emission reduction. With its low capacitance and fast turn-off action, the MUR120 is a great choice for switching high currents. The device is able to offer low leakage current at a reasonable cost, making it an attractive solution for many different applications.

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