BZT52C12-E3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	410mW
Impedance (Max) (Zzt):	7 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 9V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123

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Application Field

BZT52C12-E3-18 is a single Zener diode which is generally used for regulating and suppressing the voltage. It is widely used in applications such as voltage limiting, peak current limiting, reverse polarity protection, overvoltage protection and more. The main applications of BZT52C12-E3-18 are in TV sets, laptop computers, solar panels, power supplies and other DC power regulating devices.

Working Principle

A Zener diode is a type of diode that has a special characteristic. Unlike the usual structure of a normal diode, it is constructed with a thin layer of lightly doped P-type semiconductor sandwiched between a thicker layer of N-type semiconductor material. When the diode is forward biased, the diode behaves like an ordinary diode and behaves as a switch, allowing the current to pass through. However, when a reverse voltage or potential is applied across the terminal of the diode, it starts to conduct, in the opposite direction. This is known as a Zener breakdown, which is the working principle of the BZT52C12-E3-18. The Zener breakdown voltage of BZT52C12-E3-18 is 12 volts. This means that when the diode is forward biased, no current will pass through the diode until the voltage across the diode exceeds 12 volts. When the voltage crosses 12 volts, the diode starts to conduct current. This breakdown leads to current flow in the opposite direction, up until the point the breakdown current flow is too great and the diode burns out and stops working.BZT52C12-E3-18 is a low power single Zener diode, meaning that the level of current it can handle is limited up to 3.2mA. That being said, the diode is mostly used to regulate the voltage - it can either limit the current to a safe level or completely shut off the power when the voltage gets too high or too low. The size and design of the BZT52C12-E3-18 also allow it to be used in a variety of applications, such as in test and measurement systems, communication equipments and electronics. The size and design makes it easy to fit into small spaces and connects to other circuits.

Conclusion

In conclusion, the BZT52C12-E3-18 is a single Zener diode which is most commonly used for voltage regulation and power supply protection. It is designed to sustain up to 12 volts and can handle up to 3.2mA of breakdown current. This makes it an ideal diode for a wide range of applications such as TV sets, laptop computers, solar panels, power supplies and other DC power regulating devices. It can also be used in test and measurement systems, communication equipments and electronics due to its small size and flexibility.

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