BZX384C12-HE3-18

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The BZX384C12-HE3-18 is a single Zener diode, with 12 volts of PIV (peak inverse voltage) and 3.12 watts of power ratings. It is capable of operating at temperatures ranging between -55°C to 150°C. It is ideal for a variety of applications, such as reverse voltage protection, crossover adjustment, and clamping. The BZX384C12-HE3-18 also offers high stability and high current handling capabilities.

The working principle of BZX384C12-HE3-18 consists of two main aspects: forward and reverse breakdown. In forward biasing, a positive voltage is applied to the diode, and electrons flow through it from the anode to the cathode. This flow of electrons creates an equilibrium which allows for the biasing. The forward current is limited by the junction\'s resistance, band gap energy, and temperature.

When a reverse voltage is applied to the BZX384C12-HE3-18, a greater current will flow from the cathode to the anode. This is called reverse breakdown voltage and is limited by the amount of voltage. As the applied voltage increases, the current increases, until it reaches a maximum, known as the peak inverse voltage, or PIV. When the PIV is reached, the diode is destroyed, as the current can no longer flow.

The BZX384C12-HE3-18 can be used for various applications, some of the most common being for surge protection, transient overvoltage protection, and noise suppression. In the case of surge protection, the diode will block any voltage from passing through it, protecting the connected device from any external spikes in voltage. It can also be used as a transient protection device, where it can mitigate any possible instantaneous voltage spikes have hit the connected device.

The BZX384C12-HE3-18 can also be used in noise suppression applications. It acts as a low pass filter, blocking any high frequency noise that passes through it. As the diode has a low capacitance, it is particularly useful for preventing power line noise from entering a device.

In addition to its use as a protection and noise suppression device, the BZX384C12-HE3-18 can also be used as a voltage regulating device. Its PIV rating allows it to act as a fixed voltage reference, meaning that a constant voltage is applied across the diode, regardless of load variations. This can be very useful in controlling components in a circuit.

The BZX384C12-HE3-18 is a versatile and reliable component, and is suitable for a wide range of applications. Its PIV rating and ability to handle high current make it an ideal choice for many applications. As a single Zener diode, it can provide a wealth of protection and regulation capabilities, making it an invaluable component.

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