STP85N3LH5

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The STP85N3LH5 is a type of field effect transistor (FET). FETs are unipolar transistors that are commonly used in a variety of applications. The STP85N3LH5 is a single type FET that is specifically designed for low voltage switching applications.

The STP85N3LH5 is a Type B (Standard) enhancement mode N-Channel FET. It provides a high degree of flexibility in terms of its usage, although it is important to note the gate-source voltage is limited to 5 volts. This limits the maximum switching voltage of the STP85N3LH5 to 8 volts. It is also important to note that the STP85N3LH5 has a continuous drain current of 18 amps, a drain source voltage of 85 volts and a maximum power dissipation of 35 watts.

The working principle of the STP85N3LH5 is relatively simple. The FET acts as a type of analog switch; when the gate-to-source voltage is low, the FET is in the cutoff mode and provides no conduction between the source and the drain. However, when the gate-to-source voltage is high, the FET is in the enhancement mode and acts as a low impedance connection, allowing electricity to flow freely between the source and the drain. This allows the FET to be easily switched on and off depending on the desired application.

Due to its low voltage switching specifications, the STP85N3LH5 is ideally suited for low voltage, low power applications. It is commonly used for motor control applications, including the control of small DC motors and small AC motors. It can also be used for controlling the power supply of small circuits, such as battery powered circuits, or for switching other low power components. Furthermore, it can be used for driving LED’s, as well as for controlling solenoids and relays.

In conclusion, the STP85N3LH5 is a single type FET that is specifically designed for low voltage switching applications. It has a continuous drain current of 18 amps, a drain source voltage of 85 volts and a maximum power dissipation of 35 watts. Its working principle is relatively simple; when the gate-to-source voltage is low, the FET is in the cutoff mode and provides no conduction between the source and the drain, however, when the gate-to-source voltage is high, the FET is in the enhancement mode and acts as a low impedance connection, allowing electricity to flow freely between the source and the drain. It is commonly used for motor control applications, as a power switch, or for driving LED’s, solenoids and relays.

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