BZX84C12-E3-18

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	300mW
Impedance (Max) (Zzt):	25 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 8V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3

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The BZX84C12-E3-18 is a single range Zener diode capable of handling voltage fluctuations up to 18 volts. It can be used in wide variety of applications including noise suppression, level shifting and voltage regulation. In this article, we will explore the application field and working principle of the BZX84C12-E3-18.The BZX84C12-E3-18 is a popular choice for noise suppression, level shifting and voltage regulation due to its wide voltage range and low power dissipation. It is suitable for applications such as automotive audio systems, industrial controllers, portable devices, and more.In terms of noise suppression, the BZX84C12-E3-18 is designed to clamp any supply voltage fluctuation to a safe level. This makes it ideal for protecting sensitive components and circuits from voltage spikes which may cause permanent damage.For level shifting, the BZX84C12-E3-18 can be used to convert a high voltage to a lower one. This is beneficial for situations where one device needs to be powered from a higher source than another. The Zener diode helps to prevent overvoltage from damaging the components during the level shifting process.As a voltage regulator, the BZX84C12-E3-18 helps to maintain a steady output voltage during varying input voltages. This ensures that the equipment is powered with a consistent supply, free from large power fluctuations. This is particularly useful for sensitive devices such as portable electronics.The BZX84C12-E3-18 is able to handle up to 18 volts of power. It is also constructed with a high temperature coefficient that enables it to regulate successive voltage surges without exceeding its current rating.In terms of its working principle, the BZX84C12-E3-18 is designed using a special reverse biasing principle. When powered directly, the device will clamp any voltage over 18V, thereby protecting the connected equipment. When the input voltage is harmful, the Zener diode will draw current and reduce the output to the recommended level.In conclusion, the BZX84C12-E3-18 is a single range Zener diode that is ideal for noise suppression, level shifting and voltage regulation applications. Thanks to its wide voltage range, low power dissipation and high temperature coefficient, it is able to protect connected devices from overvoltage and power spikes. Its working principle is based on a special reverse biasing capability which enables it to regulate and clamp harmful voltages to safe levels.

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