1N4740G R1G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	10V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 9.9V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 200°C (TA)
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)

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Introduction

1N4740G R1G is an integral part of the field of diodes, specifically Zener diodes. Zener diodes are specialized semiconductor devices designed to be used in circuits involving regulation of voltage, current, and temperature. As a single component, the 1N4740G R1G is known for its ability to regulate electrical power or voltage in many industrial and consumer applications.

Data Sheet

The 1N4740G R1G is a 4.7 volt, 1 watt Zener diode with a 120 milliamp reverse voltage rating. The device offers a low dynamic resistance and a small package size. The Zener diode has a maximum DC current rating of 150 milliamps and an operating temperature range of -55 to + 125 degrees Celsius. The part is manufactured using an “internal redissolution” process, giving it superior thermal resistance and reliability.

Application Fields

The 1N4740G R1G is mainly used in voltage regulation applications. These applications can range from power supplies, which regulate the output voltages, to circuit protection, which prevent the circuit from over-voltage. The Zener diode is also ideal for use in low-voltage circuits, such as circuit boards, where it is used to protect sensitive components from high voltage transients. In addition, the 1N4740G R1G is used in a variety of consumer electronics, such as television receivers and digital cameras, for voltage regulation.

Working Principle

The 1N4740G R1G works on the principle of Zener breakdown. Zener breakdown occurs when the reverse voltage applied to the Zener diode is greater than the breakdown voltage of the diode. When this occurs, the diode’s p-n junction breaks down, allowing a high current to flow in the reverse direction, creating a voltage “clamp”. This voltage clamp acts like a voltage regulator, ensuring that the voltage between its applied terminals remains constant. The Zener diode is also capable of regulating the voltage in both directions, meaning it can limit both the voltage going up as well as down.

Advantages and Disadvantages

The 1N4740G R1G has many advantages over many other types of voltage regulating components. These include its small size and low cost, as well as its reliable performance and long lasting life. The Zener diode is also very simple to use, which makes it ideal for use in a variety of applications.However, the 1N4740G R1G also has some drawbacks. The main disadvantage is its low power rating, as it can only handle 1 watt of power. In addition, it also has a limited temperature range, as it only works between -55 and +125 degrees Celsius. Finally, the Zener diode can only regulate in one direction, meaning it cannot be used in reverse current situations.

Conclusion

The 1N4740G R1G is an integral part of the field of diodes, specifically Zener diodes. The 1N4740G R1G is mainly used in voltage regulation applications, such as power supplies and circuit protection. The device works on the principle of Zener breakdown, where the reverse voltage applied to the Zener diode is greater than the breakdown voltage of the diode. The 1N4740G R1G has many advantages over other types of voltage regulating components, such as its small size and low cost, as well as its reliable performance and long-lasting life. However, the 1N4740G R1G does have some drawbacks, such as its low power rating and limited temperature range.

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