BZX84C12LT1 Discrete Semiconductor Products

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The BZX84C12LT1 is a single Zener diode, popularly used in the electronics industry. It is part of a family of single diodes, which are available in different voltage ratings and sizes. Its major applications include stabilizing voltage, providing over-voltage protection, protecting against transients, and acting as voltage references.

The BZX84C12LT1’s maximum operating voltage is 12V, which is the crucial parameter when making a decision on its applications. A typical forward voltage drop of 1.2V and a maximum reverse current of 50nA make it a suitable choice for low voltage ripple applications. In addition, its power dissipation is also an important factor in deciding its applicability: with a reverse power dissipation of 800mW, it is suitable for applications that require higher power dissipation.

The working principle of the BZX84C12LT1 can be divided into three stages. Firstly, during the forward bias stage, the positive voltage applied is higher than the negative voltage, which allows the current to pass through the diode easily. During the reverse bias stage, a potential barrier is created by the depletion region. This region does not allow current to pass and hence holds up the reverse voltage. Finally, when the applied voltage exceeds a certain magnitude, the potential barrier is broken down and the current passes in the reverse direction. This phenomenon is referred to as the Zener breakdown.

This single Zener diode, due to its low forward voltage drop and high power dissipation, is suitable for use in areas such as TV receivers, stabilizing voltage, controlling LED brightness, preventing over-voltage damage and providing over-voltage protection. It can also be used in signal applications such as signal diodes, clamp diodes, shunt regulator and signal detectors. Additionally, its relatively low cost makes it attractive to many engineers.

In conclusion, the BZX84C12LT1 is a single Zener diode built for a variety of both general and specific applications. Its unique voltage and current ratings, as well as its cost-effectiveness and high power dissipation, make it an attractive choice for a range of projects.

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