BSS138DW-7-F

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
FET Type:	2 N-Channel (Dual)
FET Feature:	Logic Level Gate
Drain to Source Voltage (Vdss):	50V
Current - Continuous Drain (Id) @ 25°C:	200mA
Rds On (Max) @ Id, Vgs:	3.5 Ohm @ 220mA, 10V
Vgs(th) (Max) @ Id:	1.5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs:	--
Input Capacitance (Ciss) (Max) @ Vds:	50pF @ 10V
Power - Max:	200mW
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	6-TSSOP, SC-88, SOT-363
Supplier Device Package:	SOT-363

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Introduction

The BSS138DW-7-F is a P-channel field effect transistor (FET) that belongs to the family of JFETs, a dedicated two-terminal current-controlled devices. These devices are commonly used where it is necessary to regulate power flow in switching applications. It is an important component in the transistor array, used in the design of more complex integrated circuits. This article will discuss the application field and working principle of the BSS138DW-7-F.

Application Field

The BSS138DW-7-F is typically used in low-noise applications such as mixer circuits, as well as in audio amplifier and RF preamplifier circuits. It is also used as a switch to control the flow of current when the gate is activated. It can be used both in digital and analog applications. For example, it can be used to control the charging/discharging cycles of lead-acid cells by connecting it to a power source. Additionally, the BSS138DW-7-F can also be used in pulse-width modulated (PWM) applications.

Working Principle

The BSS138DW-7-F is a three-terminal transistor that functions as a voltage-controlled switch. It has an insulated gate, which keeps the conductive channel in an unaffected state until a voltage is applied between the gate and the source. When a positive voltage is applied to the gate, it causes the conductive channel to open. This allows current to flow through the transistor, allowing it to act as a switch.When the voltage is removed from the gate, the conductive channel closes, effectively halting the flow of current through the transistor. This on/off operation makes it suitable for use in switching applications.The BSS138DW-7-F is relatively small. It is a surface-mount package device, which makes it suitable for use in small-scale applications. The maximum current that it can handle is 1.6A, making it suitable for low-current switching operations.

Conclusion

In conclusion, the BSS138DW-7-F is an important component of a transistor array, used in the design of complex integrated circuits. It is a P-channel FET, typically used in low-noise applications such as mixer circuits, as well as in audio amplifier and RF preamplifier circuits. It has an insulated gate and a three-terminal system, which allows it to act as a voltage-controlled switch. The BSS138DW-7-F is a surface-mount device, suitable for small-scale applications, and can handle a maximum current of 1.6A.

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