BZX84-A11,215

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

A BZX84-A11,215 is a single Zener diode, a semiconductor device with the ability to regulate a certain voltage. It is typically used in the electronic field to regulate, switch, protect and condition electronic signals. Its application field can range from protecting delicate audio components from being damaged by voltage spikes, to being used as a precision voltage regulator for powering sophisticated electronic circuits.

The primary job of a Zener diode is to keep the voltage across it fixed at a certain value, regardless of differences in current amplitude. It does this by utilizing a process called reverse breakdown. The reverse breakdown voltage is the key voltage specified for a zener diode, and it is the voltage at which Zener diode begins to conduct. The breakdown voltage for a BZX84-A11,215 is 11.215 Volts.

The working principle of a Zener diode is relatively straightforward. Zener diodes use a “reverse breakdown” technique, meaning that when the voltage across the diode reaches a certain value known as the “breakdown voltage” also known as the “Zener voltage”, it suddenly “breaks down” and conducts in the reverse direction. This reverse current, however, is usually small and if uncontrolled can damage the diode. Thus, the Zener diode is placed in series with a resistor to limit the reverse current in the circuit. This “zener impedance” can be adjusted by varying the resistance of the resistor in series with the diode.

The Zener diode can be used as a precision voltage regulator, allowing a steady voltage to power delicate circuits despite fluctuations in input. When the input voltage is below the breakdown voltage, the diode behaves as an open circuit and no current passes through it. When the input voltage is equal to or greater than the breakdown voltage, the diode enters the breakdown region and conducts current in the forward direction, regulating the output voltage to a steady value. It is important to choose a Zener diode whose reverse breakdown voltage is slightly higher than the desired output voltage for the circuit, as the actual output voltage will be approximately the stated Zener breakdown voltage.

The BZX84-A11,215 is a typical example of a single Zener diode, with a breakdown voltage of 11.215 volts. While these are simple devices, their application field reaches far, from protecting delicate components from voltage spikes, to precision voltage regulating.

The specific data is subject to PDF, and the above content is for reference