1N2973B

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	±5%
Power - Max:	10W
Impedance (Max) (Zzt):	2 Ohms
Current - Reverse Leakage @ Vr:	25µA @ 6.9V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 2A
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Chassis, Stud Mount
Package / Case:	DO-203AA, DO-4, Stud
Supplier Device Package:	DO-213AA
Base Part Number:	1N2973

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction of 1N2973B

1N2973B is a semiconductor component of the Zener diode single series which means it is a diode that is able to maintain a constant reverse breakdown voltage over a wide range of current and temperature. The 1N2973B specifically is capable of withstanding a reverse voltage up to 5.6V and has a power dissipation of 500mW. It is a three-terminal, dual-anode device with the maximum operating temperature of 200 degrees Celsius.

Application Field

The 1N2973B is a versatile component and can be used in a variety of applications. It can be used as a reference voltage source, bus termination, and an inrush current limiting component. It is often used to provide constant current output for various applications. It is also used in power supplies, voltage regulators, and voltage stepping down applications.1N2973B can be used in circuits that require highly stable and reliable voltage, such as on-board voltage controlling circuits. It is used in motor control systems and audio amplifiers to provide voltage control. It is also used in video surveillance systems and industrial automation control systems. It can also be used as a protection component in high-voltage circuits and as a temperature sensor.

Working Principle

The 1N2973B consists of a junction between two different types of semiconductor materials. When a bias voltage is applied to the diode, the electric field created by the reverse voltage causes electrons to cross the junction and flow from the n-type material to the p-type material. This phenomenon is known as reverse bias and sets up a reverse current within the device. The 1N2973B is a breakdown device. This means that the device can maintain a constant breakdown voltage due to the inherent instability of the junction when it reaches a certain voltage level. In other words, the reverse bias voltage must exceed the breakdown voltage at which point the current begins to increase rapidly. This phenomenon is known as the Zener effect. When the 1N2973B reaches its breakdown voltage, the flow of current is sudden, which is helpful for controlling things like spikes in voltage. In addition, the Zener voltage remains relatively constant over a wide range of current and temperature, making it an ideal choice for voltage reference applications.

Conclusion

1N2973B is a versatile semiconductor component that is widely used in various applications. It has wide range of operating temperature and voltage, making it an ideal choice for voltage reference applications. The 1N2973B is a Zener diode that is able to maintain a constant reverse breakdown voltage when it reaches a certain voltage level, which is known as the Zener effect. This makes it an ideal choice for motor control systems, audio amplifiers, and video surveillance systems as well as other industrial automation control systems.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description