BUK9610-55A,118 Discrete Semiconductor Products

Series:	TrenchMOS™
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
FET Type:	N-Channel
Technology:	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss):	55V
Current - Continuous Drain (Id) @ 25°C:	75A (Tc)
Drive Voltage (Max Rds On, Min Rds On):	4.5V, 10V
Rds On (Max) @ Id, Vgs:	9 mOhm @ 25A, 10V
Vgs(th) (Max) @ Id:	2V @ 1mA
Gate Charge (Qg) (Max) @ Vgs:	68nC @ 5V
Vgs (Max):	±15V
Input Capacitance (Ciss) (Max) @ Vds:	4307pF @ 25V
FET Feature:	--
Power Dissipation (Max):	200W (Tc)
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Supplier Device Package:	D2PAK
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB

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Introduction

The BUK9610-55A,118, commonly referred to as just the BUK9610, is a depletion-mode N-channel enhancement mosfet transistor. The use of depletion-mode transistor is of great importance in many circuitry within consumer and industrial electronics applications. The BUK9610 is a single transistor and it is used for the purpose of switching, amplifying and rectifying. In this article, we will discuss the application fields, working principle and the implications of using the BUK9610.

Application Fields

The BUK9610 is an extremely versatile single mosfet transistor. It is used in various consumer and industrial electronics applications, ranging from those that may just involve one transistor in the circuit to those where multiple cells of transistors are integrated to build highly-integrated systems, such as home appliances, servers and advanced industrial products. For example, in consumer electronics applications, the BUK9610 is often seen used in loudspeakers, TV sets and microphones, where switching and amplification are needed. Furthermore, it can be used for the power amplification of audio circuits, for example as a secondary amplifier in car sound systems. On the industrial side, it is mainly used in the power rectification circuitry, where the switching and amplification properties come in to play. It is also an essential part of portable and rugged systems, such as those targeting medical, aerospace, military and automotive applications, due to its low on-resistance and its durability in the hostile environment around these applications.

Working Principle

The basic operation of a mosfet transistor is based on two important principles. First, its source-drain current is mainly carried by a phenomenon known as charge carriers, or electrons. Second, when a voltage is applied to the gate, a depletion region is created in the channel between the source and the drain, which causes a change in the conductivity of the channel. When a voltage is applied to the gate of the BUK9610, a depletion region is created. This depletion region modifies the source-drain current, creating either an increase or a decrease in the current, depending on the voltage applied to the gate. When the gate voltage is zero, the depletion region is at its minimum, allowing most of the current to flow freely from source to drain. When the gate voltage is increased, the depletion region increases, thus decreasing the current. This effect can be used for switching and/or amplification purposes. When the BUK9610 is used for switching, it acts as a switch between the source and the drain, turning the circuit \'on\' or \'off\' depending on the voltage applied to the gate. Furthermore, it can be used as an amplifier of the source-drain current, as the depletion region created by the gate voltage increases or decreases the current flow.

Conclusion

The BUK9610 is a single depletion-mode N-channel enhancement mosfet transistor which is used in a wide range of consumer and industrial electronics applications. It has the ability to switch and amplify signals, making it an essential part of circuitry such as audio and power rectification. Its low on-resistance and its durability makes it a sought-after transistor for applications in hostile environments, such as medical, aerospace, military and automotive. It is a versatile and reliable transistor that is used in many circuits around the world.

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