STP270N04

Vgs(th) (Max) @ Id:	4V @ 250µA
Package / Case:	TO-220-3
Supplier Device Package:	TO-220AB
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Power Dissipation (Max):	330W (Tc)
FET Feature:	--
Input Capacitance (Ciss) (Max) @ Vds:	7400pF @ 25V
Vgs (Max):	±20V
Gate Charge (Qg) (Max) @ Vgs:	150nC @ 10V
Series:	STripFET™
Rds On (Max) @ Id, Vgs:	2.9 mOhm @ 80A, 10V
Drive Voltage (Max Rds On, Min Rds On):	10V
Current - Continuous Drain (Id) @ 25°C:	120A (Tc)
Drain to Source Voltage (Vdss):	40V
Technology:	MOSFET (Metal Oxide)
FET Type:	N-Channel
Part Status:	Obsolete
Packaging:	Tube

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STP270N04 Application Field and Working Principle

The STP270N04 is a MOSFET transistor, utilizing a single channel. It is part of the family of transistors and FETs, which provide efficient performance and enable switching of heavy current loads. The STP270N04 is a metal-oxide-semiconductor field-effect transistor (MOSFET) that works with a voltage applied across its source and drain electrodes. This voltage forms an electric field which affects the conductivity of the transistor. It was designed to switch or amplify low voltage or power signals up to 27 volts, with a total power dissipation of 0.8 watts.

STP270N04 Applications

The STP270N04 is used in applications where a low on-state resistance, combined with fast switching performance, is desired. It is used for switching power loads, such as AC and DC motors, lighting, and other inductive loads. It can also be used for switching in the audio industry, as a general DC to DC converter, and as a current-limiting device.The STP270N04 is also frequently used in the industrial and automotive industries. It is used in the automotive industry as a driver for Cruise Control, Anti-Lock Brakes, MIMO (Multi Input Multi Output) electrical components such as power steering, brakes and airbags, and air conditioning and climate control systems. As industry-standard components, STP270N04 transistors are also used in industrial applications, including power control circuits, welding machine control systems, motor drives, and inverters.

STP270N04 Working Principle

The STP270N04 is an N-channel MOSFET, meaning it transfers current from the drain to the source through a channel of N-type silicon atoms. It has two basic modes of operation: the Cut-Off Mode and the Active Mode.In the Cut-Off Mode, the transistor is off, meaning current will not pass through the device. This is achieved through applying a negative voltage across the Gate-Source terminals. This voltage opposes the positive voltage on the drain, creating a potential barrier that impedes current flow.In the Active Mode, the transistor is on, meaning current will flow through the device. This is done by applying a positive voltage across the Gate-Source terminals. This voltage “opens” the potential barrier created by the negative voltage in the Cut-Off Mode, allowing electrons to flow freely. This creates a current path from the source to the drain, allowing current to pass through the transistor.The STP270N04 can be operated in either the Cut-Off or Active Mode using a signal. The signal level received by the Gate terminal determines which mode the transistor will be in. When a signal is applied to the terminal, the voltage will exceed a certain threshold, and the transistor will turn on or off depending on the signal level.

Conclusion

The STP270N04 is a MOSFET transistor that offers fast switching performance, low on-state resistance, and power switching up to 27 volts. It is a standard part of the transistor and FET family, and is commonly used in industrial and automotive applications to control power, motors, audio and light switches, and climate control systems. Its operation is based on the application of a voltage across the Gate-Source terminals, and can be switched between the Cut-Off and Active Modes, depending on the voltage level of the gate signal.

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