KDZVTR22B

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

The KDZVTR22B is a single Zener diode that is widely used for various applications. It is a highly reliable device with a wide operating temperature range from -65 ℃ to +175 ℃. The diode has a breakdown voltage of 22V, with a maximum power dissipation of 500mW, and a low reverse current at 25mA.

The KDZVTR22B is mainly used in voltage regulation, voltage-clamping, and peak-pulse protection. As a voltage regulator, it can supply a reasonably constant voltage output at changing load conditions or changing input conditions. As a voltage-clamping device, the diode helps protect other components of the circuit against high voltage transients, such as electrical noise and power supply spikes. As a peak-pulse protector, it helps limit the current output of the circuits under extreme load-operating conditions.

The working principle of the KDZVTR22 is based on the fact that when a small current is passed through a reverse-biased PN junction, the potential barrier created by the PN junction breaks down and a large current flows across the junction. In the case of the KDZVTR22, during its normal operation, the current passing through it is always more than the Zener reverse current, and the PN junction does not breakdown, hence regulating the output voltage.

When the input voltage is high enough, the breakdown voltage of the diode is exceeded, and a large current flows across the PN junction, thus preventing any further increase in voltage. This voltage clamping helps to protect other components of the circuit in the event of a power spike or electrical noise.

The KDZVTR22 can also be used as a peak-pulse protector. In this application, the diode is connected in parallel with the load, and helps to limit the current output of the circuits during over-load operating conditions, thus protecting the other components in the circuit from damage.

In summary, the KDZVTR22B is a highly reliable, single Zener diode with a wide operating temperature range. It is mainly used in voltage regulation, voltage-clamping, and peak-pulse protection applications. Its principle of operation is based on the breakdown voltage of the PN junction and its capability to limit the output current during over-load conditions.

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