CDBFN140-G

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Diodes play an important role in almost any electrical system, since they can convert alternating current to direct current and can act as a gate between two circuits. The CDBFN140-G is a single rectifier with a variety of applications.

The CDBFN140-G is an axial-leaded single rectifier diode with a fast switching speed and low forward voltage drop. This diode is capable of delivering an average forward current of 14 amperes and an instantaneous peak forward current of 140 amperes. The maximum reverse voltage of the CDBFN140-G is often specified as the 50V Standard. It also has a reverse current leakage of less than 3mA and a maximum junction temperature of 175℃.

The most common application for the CDBFN140-G is in DC/DC converters and AC/DC rectification. The fast switching speed and low voltage drop makes this diode an ideal choice for high efficiency power supplies, such as inverters and power converters. It has also been used in automotive applications, such as high-current battery charging, low-voltage lighting, engine starting, and small motor control.

When using the CDBFN140-G, it is important to remember to observe the forward voltage drop rated for the diode and to ensure that the power supply can handle the diode’s maximum reverse voltage. This diode can be used with a heatsink if necessary, as it can dissipate up to 70 watts of power in extreme cases.

The working principle of the CDBFN140-G is same as other single rectifier diodes, where the device has two electrodes, the anode and the cathode. When the anode is connected to the positive terminal of a DC power source, current flows through the diode in the forward direction and is blocked in the reverse direction. This is known as rectification, as the diode allows current to flow in one direction only. In the “on” state, the diode presents a relatively low voltage drop, whereas in the reverse direction, the voltage across the diode can be as high as the breakdown voltage of the device.

In summary, the CDBFN140-G can be used in a variety of different applications, since it is capable of delivering a high continuous current, while also offering a fast switching speed and low voltage drop. It is important to remember to observe the forward voltage drop rated for the diode, as well as ensuring that the power supply can handle the diode’s maximum reverse voltage.

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