PLVA665A,215 Discrete Semiconductor Products

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Diodes - Zener - Single

The PLVA665A,215 is a zener diode that acts as a voltage regulator. It is single junction, which means the basic PN junction is created by the silicon material used in its construction. Zener diodes are used in applications that require a regulated output. Their major advantage is that they only draw current when the voltage reaches or exceeds the zener voltage.

Applications

Zener diodes like the PLVA665A,215 are used in many electrical and electronic devices. They are most often used to stabilize voltage in power supplies and these can be direct current (DC) power supplies or alternating current (AC) power supplies. The PN junction of the diode is used to provide the stabilizing voltage, even when the initial voltage is fluctuating. The diode can also be used as a voltage comparator, which means that if the input voltage rises above or drops below a certain level, then the output will be different (for example, the output may switch off).

Zener diodes are also often used as a part of semiconductor oscillators, and they can be used as current stabilizers and voltage references in circuits. They can also be used as series regulators in power supplies and for control and protection purposes.

Working Principle

The zener diode works on the principle of the PN junction. The PN junction allows for current to flow between two materials when a certain voltage is present. When the voltage applied to the diode is less than the breakdown voltage, no current will flow. When the applied voltage reaches the breakdown voltage, an avalanche breakdown occurs, which causes current to flow.

In the case of the PLVA665A,215, the breakdown voltage is 6.65 volts. This means that when the voltage applied to the diode exceeds 6.65 volts, a current will flow. The current will continue to flow until the applied voltage drops below 6.65 volts. This is known as the zener voltage.

The main advantage of the zener diode is its ability to regulate voltage fluctuations. By controlling the current flow, the diode can regulate the input voltage and keep it within a specific range. This means that devices operating within the protected range of the diode will be less susceptible to voltage fluctuations.

Conclusion

The PLVA665A,215 is a zener diode with a breakdown voltage of 6.65 volts. It is used in many electronic devices, from power supplies to electronic oscillators, current stabilizers, and voltage references. Its major advantage is its ability to regulate voltage fluctuations and this is done by controlling the current flow. This helps to ensure that devices operating within the protected range of the diode will be less susceptible to voltage fluctuations.

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