TK8A50D(STA4,Q,M)

Vgs(th) (Max) @ Id:	4V @ 1mA
Package / Case:	TO-220-3 Full Pack
Supplier Device Package:	TO-220SIS
Mounting Type:	Through Hole
Operating Temperature:	150°C (TJ)
Power Dissipation (Max):	40W (Tc)
FET Feature:	--
Input Capacitance (Ciss) (Max) @ Vds:	800pF @ 25V
Vgs (Max):	±30V
Gate Charge (Qg) (Max) @ Vgs:	16nC @ 10V
Series:	π-MOSVII
Rds On (Max) @ Id, Vgs:	850 mOhm @ 4A, 10V
Drive Voltage (Max Rds On, Min Rds On):	10V
Current - Continuous Drain (Id) @ 25°C:	8A (Ta)
Drain to Source Voltage (Vdss):	500V
Technology:	MOSFET (Metal Oxide)
FET Type:	N-Channel
Part Status:	Active
Packaging:	Tube

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IntroductionTK8A50D (STA4, Q, M) is a type of power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistors) that is used for switching and amplifying digital logic signals in electronics. It is a single device that is used in various applications such as digital and analog circuits, switch mode power supplies, and uninterruptible power supplies. It is distinguished from other types of MOSFETs such as n-channel MOSFET, p-channel MOSFET, and enhancement-mode MOSFET devices by its photo-sensitive gate structure that can be triggered by optical signals. Application FieldsTK8A50D (STA4, Q, M) has many applications in both digital and analog circuits. Its capability of switching and amplifying digital logic signals makes it suitable for a variety of digital applications, such as microcontrollers, data converters, and programmable logic circuits. In analog applications, it can be used as a voltage regulator, a current regulator, and a power amplifier. Its unique photo-sensitive gate structure also makes it suitable for optical applications, such as optical switches, optical sensors, and other optical devices. TK8A50D (STA4, Q, M) is also widely used in switch mode power supplies, uninterruptible power supplies, and motor control systems. Its ability to switch and amplify power signals makes it suitable for regulating the power supply and controlling the power consumption in battery-powered systems. It is also often used for switching and controlling AC and DC loads. Working PrinciplesTK8A50D (STA4, Q, M) is an n-channel MOSFET device with an internal photo-sensitive gate structure. The source and drain are connected through an n-channel and the device is designed with a depletion-type MOS structure. This allows the device to be triggered by optical signals, which makes it suitable for optical applications. The MOSFET structure operates by controlling the flow of current through the channel, and is controlled by the voltage applied to the gate. When the voltage applied to the gate is more positive than the source, an electric field is created that causes the electrons to move from source to drain, and current will flow. The gate of the MOSFET can also be triggered by light with the same voltage being applied, as the photons from the light will create excitations in the gate that allow current to flow. The MOSFETs can be configured in various ways, including as an amplifier, voltage regulator, current regulator, switch, or any other type of digital logic circuit. By adjusting the gate voltage, the current flow of the device can be controlled, allowing it to switch and amplify digital logic signals. ConclusionTK8A50D (STA4, Q, M) is a type of power MOSFET device used for switching and amplifying digital logic signals in electronics. Its photo-sensitive gate structure makes it suitable for both digital and analog applications, as well as optical applications. It is widely used in switch mode power supplies, uninterruptible power supplies, and motor control systems. The device operates by controlling the flow of current through an n-channel, and is controlled by the voltage applied to the gate. Through the control of the gate voltage, the device can switch and amplify digital logic signals.

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