2SK137400L Discrete Semiconductor Products

Vgs(th) (Max) @ Id:	1.1V @ 100µA
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SMini3-G1
Mounting Type:	Surface Mount
Operating Temperature:	150°C (TJ)
Power Dissipation (Max):	150mW (Ta)
FET Feature:	--
Input Capacitance (Ciss) (Max) @ Vds:	4.5pF @ 5V
Vgs (Max):	10V
Series:	--
Rds On (Max) @ Id, Vgs:	50 Ohm @ 10mA, 2.5V
Drive Voltage (Max Rds On, Min Rds On):	2.5V
Current - Continuous Drain (Id) @ 25°C:	50mA (Ta)
Drain to Source Voltage (Vdss):	50V
Technology:	MOSFET (Metal Oxide)
FET Type:	N-Channel
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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2SK137400L Application Field and Working Principle

Introduction

The 2SK137400L is an MOSFET C-MOS that belongs to the Single-FETs technology. It is used as a power switch and demand high currents of up to 32 A. This power FETs has the advantage of few losses at a high temperature and shows a high performance over temperature range.

Application Field

The 2SK137400L MOSFET is powered by predefined voltage and can be used for both DC and AC applications. The wiring of the power fet helps reduce power losses and increases efficiency of the application.It is particularly useful in professional applications such as:

• Linear actuators
• Electric vehicle
• UPS (Uninterruptible Power Supply)
• Battery charger
• Motor control system
• Security systems applications such as camera system
• Motion control systems
• Servo motors
• Computer or network security systems
• Industrial robotics
• Ovens, Cooking appliances
• Solar or energy generation systems
• Photonics application.

Working Principle

The 2SK137400L is an N-channel FET (field-effect transistor) that is operated as a switch. Its output is normally open, meaning that main-circuit current is not flowing from drain to source.The N-channel MOSFET works as a switch and has three pins: the gate (G), the drain (D) and the source (S). It can operate in three different modes: in cut-off region, there is no current flowing from the drain to the source; in saturation region, the current flows from the drain to the source and in triode region, it is in between cut-off and saturation regions.When a positive charge is applied to the gate, it creates an electric field and attracts free electrons, creating a conductive channel between the drain and the source. At that point, the MOSFET is in saturation mode and the current is flowing. The current flow is proportional to the voltage applied to the gate.When the gate voltage drops to zero, the MOSFET is in cut-off mode and the output is open. As the gate voltage is driven lower than the source, the MOSFET is operated in reverse mode.

Conclusion

The 2SK137400L is a high current MOSFET used for professional applications such as Linear actuators, electric vehicles, UPS, Battery chargers, Motor control systems and others. The main application is as a switch, used as a current controller, in which current flows from drain to source when the gate is charged. The cutting-edge technology of 2SK137400L assures a high performance over temperature range and with fewer power losses.

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