BZV55-B15,115

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A BZV55-B15,115 is a type of single Zener diode. This is a diode that provides a very precise voltage reference level, and a stable current flow when the parasitic PN junction and terminals are connected in a circuit. The BZV55-B15,115 has a total power dissipation of 1 watt, maximum reverse voltage of 15 volts, and a Zener voltage of 11.5 volts.

Application

The BZV55-B15,115 can be used in integrated circuits, electronic sensors, and other devices that require a high level of accuracy. It is well suited for low-power voltage-regulated applications, such as voltage regulators or shunt regulators, where the Zener diode will provide a stable constant voltage. The BZV55-B15,115 can also be used to protect sensitive circuit components from voltage over-stress, by limiting the voltage value to the pre-set Zener voltage.

Working Principle

When a small current is applied to the diode, the voltage drop across its terminals is fixed at the Zener voltage. This voltage remains stable even when the current increases. This reaction is caused by the presence of a depletion region created within the PN junction, which eventually becomes wide enough to allow electrons to flow in the reverse direction. This process is referred to as Zener Breakdown, or Zener effect. The Zener diode is designed to pass a controlled current in the reverse direction, and a constant voltage across its terminals when the voltage is at or above a certain threshold. Once a certain threshold is reached, the PN junction starts conducting current in both directions, forcing the device to act as a semi-conductor and replicate the Zener voltage.

Conclusion

The BZV55-B15,115 is a single Zener diode, capable of supplying highly stable and accurate output voltage under different conditions. It is suitable for use in integrated circuits, sensors, voltage regulator circuits and other applications requiring precision voltage reference levels. It has a total power dissipation of 1 watt, a maximum reverse voltage of 15 volts and a Zener voltage of 11.5 volts. Thanks to its ability to perform a Zener breakdown, the diode allows controlled current flow in the reverse direction and a constant voltage across its terminals when the voltage exceeds the set threshold.

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