BZX79-C12,143

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A BZX79-C12,143 Zener Diode is a single diode used for voltage regulation applications. It is a silicon epitaxial planar Zener diode capable of regulating a wide variety of DC voltages, from 6 to 146 volts. It is typically used to provide a different output voltage that is more appropriate for a particular electronic component or circuit. This type of diode is used to protect circuits from voltage spikes and over-voltage conditions, making it an important component in power supply circuits.

The BZX79-C12,143 Zener Diode consists of a single N-type semiconductor layer sandwiched between two P-type semiconductor layers. It has very low on-state resistance and is capable of switching at higher frequencies than most other Zener diodes. This makes it ideal for use in high-frequency voltage regulation applications. It also has a relatively low breakdown voltage, which makes it suitable for use in low-voltage circuits.

The BZX79-C12,143 Zener Diode is designed to operate in the reverse breakdown mode. When a reverse bias electric field is applied to the diode, holes flow from the P-type semiconductor layer to the N-type semiconductor layer. This flow of charge creates a narrow depletion region, causing the diode to conduct in the reverse voltage direction. The reverse voltage must exceed a certain threshold before the diode will start conducting. This point is known as the Zener voltage and represents the maximum output voltage of the diode.

Once the Zener voltage is exceeded, the diode will begin to conduct in the reverse voltage direction, producing a constant voltage output. This helps to prevent voltage levels from exceeding the rated voltage of any downstream electronic components or circuits. The diode also acts as a short-circuit protector and helps to limit surges and spikes. It can also be used to provide reference voltages to ensure consistent performance in various applications.

The BZX79-C12,143 Zener Diode is typically used in power supplies, voltage regulators, battery chargers, and other applications that require reliable voltage regulation. It can also be used as a voltage divider to provide an adjustable voltage reference. It can also be used to protect sensitive components such as transistors and ICs from over-voltage conditions. It is an important part of any design that requires stable voltage regulation or protection from voltage spikes.

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