TF256TH-4-TL-H

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
FET Type:	N-Channel
Current - Drain (Idss) @ Vds (Vgs=0):	140µA @ 2V
Current Drain (Id) - Max:	1mA
Voltage - Cutoff (VGS off) @ Id:	100mV @ 1µA
Input Capacitance (Ciss) (Max) @ Vds:	3.1pF @ 2V
Power - Max:	100mW
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	3-SMD, Flat Leads
Supplier Device Package:	3-VTFP
Base Part Number:	TF256

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Introduction

JFETs, or junction field-effect transistors, are semiconductor devices that are operated by the electric field from a voltage applied to the gate of the device. Transistors are one of the most ubiquitous and essential components of the modern electronic circuit. The TF256TH-4-TL-H is a junction field-effect transistor, or JFET, that is used in a variety of applications, from test and measurement to industrial, automotive and consumer applications. In this article, we will discuss the application field and working principle of the TF256TH-4-TL-H JFET.

Application Field of TF256TH-4-TL-H JFET

The TF256TH-4-TL-H JFET is a general purpose N-channel JFET suitable for a variety of applications. It is widely used in fields ranging from medical instruments to professional broadcast equipment, and it has been certified for use in a variety of automotive and consumer applications.The TF256TH-4-TL-H is an open-circuit transistor, meaning that it operates without the need for a bias voltage. This makes it well-suited for applications that require low power consumption with the possibility of linear operation. It can be used in circuit amplifiers and voltage regulators, as well as for linear input control in low-battery voltage applications.The TF256TH-4-TL-H is also suitable for use in circuits where high input impedance and low capacitance are required. It is a stable device that can handle high power levels and high temperatures, making it suitable for operation in harsh environments. It is also used in designs that require low noise levels.

Working Principle of TF256TH-4-TL-H JFET

The TF256TH-4-TL-H JFET operates using a pn junction structure to control the amount of current flowing through it. The gate of the TF256TH-4-TL-H JFET acts as an insulator, and when a voltage is applied to the gate, it creates an electric field that changes the conductivity of the pn junction. This allows the JFET to control the amount of current flowing through it.In the TF256TH-4-TL-H JFET, the gate is connected to the source and drains, and the current flow is controlled by the bias voltage on the gate. The JFET can be used as a voltage-controlled resistor or as an amplifier, depending on the bias voltage applied to the gate. When the voltage applied to the gate is positive, the JFET operates as a voltage-controlled resistor, and when the voltage is negative, the JFET operates as an amplifier.JFETs are used in a variety of applications, from industrial control and test and measurement to automotive and consumer applications. The TF256TH-4-TL-H JFET is a reliable and versatile advanced device, suitable for a range of applications due to its low power consumption, low capacitance and high reliability. Its simple operation and ability to handle high power levels and high temperatures make it ideal for use in circuits where noise is an issue.

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