CZRUR18VB-HF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	18V
Tolerance:	±2%
Power - Max:	150mW
Impedance (Max) (Zzt):	42 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 14V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Supplier Device Package:	0603/SOD-523F

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CZRUR18VB-HF Application Field and Working Principle

Diodes - Zener - Single is a type of semiconductor device comprised of a single p-n junction. This type of diode has a special ability to work in reverse-bias condition and is mostly used for voltage regulation and stabilization. CZRUR18VB-HF is an example of Diodes - Zener - Single. It possesses many features that help it stand out in its field of application.CZRUR18VB-HF is a single diode with a 5.6V voltage rating, a 200 mA current rating, and a 0.18 ohm dynamic impedance rating. It also has a temperature coefficient rating of ±0.3 V/°C, a temperature coefficient rating of 0.5 %/°C, and a maximum reverse leakage current of 0.2 uA. This combination of features makes the CZRUR18VB-HF an excellent choice for use in a variety of items like alarm systems, phone networks, audio video equipment, and computer accessory items.One of the main features of CZRUR18VB-HF is its ability to work in both the normal and reverse-bias condition. In the normal-bias condition, the forward resistance is near zero and the current depends on the voltage applied across it. In the reverse-bias condition, the current is almost negligible and the voltage across it is very close to the rated breakdown voltage. This allows for accurate and consistent voltage regulation or stabilization.In order to understand the working principle of CZRUR18VB-HF, one must first understand the concept of the depletion region. When a p-n junction is created, electrons from the n-type region migrate toward the p-type region and form a narrow depletion region. As the reverse bias is increased more and more, the width of the depletion region increases, which causes a steep increase in the reverse leakage current. However, when a certain reverse bias voltage is applied across the diode, the depletion region width is suddenly increased, resulting in an abrupt decrease of the barrier voltage to a specific level. This sudden drop of the barrier voltage is termed as the Zener breakdown voltage.CZRUR18VB-HF operates in this exact manner; it has a predefined reverse breakdown voltage at which the current suddenly increases exponentially. This feature is used for voltage regulation and stabilization as it ensures that the voltage across the diode remains constant over a range of current levels.Therefore, CZRUR18VB-HF can be used in a variety of applications where a constant voltage needs to be maintained. It can be used in devices requiring precise voltage levels such as audio video equipment, alarm systems, phone networks, and various other computer accessory items. It can also be used in power supplies and other power related electronics.In conclusion, CZRUR18VB-HF is an excellent example of a Zener Diode that is used in many applications because of its ability to work in both the normal and reverse-bias condition. Its reverse breakdown voltage ensures accurate and consistent voltage regulation and stabilization. Its features make it suitable for a variety of applications including alarm systems, phone networks, audio video equipment, and computer accessory items.

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