1N2992RB

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	39V
Tolerance:	±5%
Power - Max:	10W
Impedance (Max) (Zzt):	11 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 29.7V
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:	1N2992

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1N2992RB is a silicon Zener diode which is widely used in applications where a stable voltage reference or less regulation is needed. It is a single diode, with a nominal Zener voltage of 31.2 V and a power dissipation of 0.5 W. It has an ampere rating of 360 mA and an operating temperature range from -55 to +125 °C.This device can be used in voltage regulation. By connecting it in reverse bias to a voltage source, an output voltage can be maintained during current surges or drops. It is usually used to provide a regulated voltage between 0.3 to 33 V. This diode can also be used in constant-voltage circuits, since it has a tight voltage-tolerance range, with a typical accuracy of 5%, while maintaining a good stability over the ambient temperature range.The working principle of 1N2992RB is based on the concept of Zener breakdown. A Zener diode allows for current to move in the reverse direction when it is subject to a specific reverse potential. Due to this effect, the diode can maintain a stable voltage level under load, as current is diverted from its circuit in directions other than the normal direction (i.e. in the reverse direction).For this type of diode, the concept of Zener breakdown is actually more complicated than just allowing for current to move in the reverse direction. Upon the application of reverse voltage, thermally-generated electron-hole pairs are accelerated by the electric field of the applied voltage, promoting them to the conduction band. The probability of such events increases with increasing temperature and or electric field.The Zener voltage of 1N2992RB is defined as the minimum voltage at which the device begins to conduct in reverse. This is the actual breakdown voltage of the device, and it is the voltage at which the electrons in the device can be thermally-accelerated to the conduction band.As the Zener voltage is reached, the device begins to conduct in reverse and a steady voltage can then be maintained by adjusting the amount of current that is applied. The current will travel through the diode, allowing for a stable voltage level and limiting any fluctuations in output.This diode can also be used in voltage level switching circuits, providing protection from over-voltage and under-voltage conditions. Additionally, it can be used in reverse polarity blocking circuits, surge and noise suppression circuits, and radio frequency interference suppression circuits.The 1N2992RB diode can be used in a broad range of applications, from consumer and industrial electronics, to automotive and military applications. Its wide range of operating temperature and its tight tolerance range makes it a favorable option for many projects. Additionally, its small size and low power consumption also makes it an attractive choice.

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