STL7N80K5

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STL7N80K5 is a MOSFET transistor product under the ‘Single’ category of FETs (Field Effect Transistors) product line. It is a self-protected, N-channel MOSFET with a relatively high drain current capacity of 8A and low gate threshold voltage. This device is found to be useful in a wide range of applications due to its unique electrical and thermal characteristics.

Application Field:

The versatile ST7LN80K5 is used in various consumer, commercial, and industrial applications. Its low RDS(on) (drain-source on-resistance) makes it an ideal choice for power management designs not only for consumer electronics but also for switching power supplies. This MOSFET device is also used for providing load switching and protection in industrial drives, office automation, vending machines, and factory automation.

Moreover, ST7LN80K5 offers exceptional performance in switching applications even when subjected to severe operating conditions, such as high temperature and high voltage. As such, it proves to be a reliable choice for battery operated devices, motor control applications, DC-DC converters etc.

Working Principle:

STL7N80K5 is a type of MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). It belongs to the family of electronically controlled transistors which are used as an electrical switch to control current flow in circuits. The transistor, through its gate sensitivity (gate threshold voltage) can be used to switch on or off the current flowing between the source and the drain.

The STL7N80K5 is a current-controlled device, where the current flowing through the gate control the flow of the drain-source current. This type of transistor works on the principle of field-effect, when the charges from the gate accumulates on the channel as depletion or enhancement layer, and thus controls the current flowing between the drain and source.

The drain current (ID) of STL7N80K5 transistors is directly proportional to the gate-source voltage (VGS). This is because the accumulation of charges on the channel increases as the gate-source voltage increases and subsequently increases the current flow. This phenomenon happens until the drain-source voltage is saturated, beyond which the current flow becomes constant.

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