BZX55C11 Datasheet/PDFThe BZX55C11 diode is a single zener diode, which can be used for voltage regulation and various other applications. It is capable of operating from 5.1V to 11.0V, with an operating temperature range from -55°C to +150°C. It has an on state voltage drop of about 2V and a maximum reverse current of 1A.
This diode is commonly used for voltage regulation, as a voltage reference, as a current limiter and in inverters. It is also used as a clamping diode, to protect other components in a circuit from excessive voltages, and as a flyback diode, to protect against voltage transients in power systems.
In voltage regulation applications, the BZX55C11 diode is used to adjust the output voltage of a power supply to a desired level. This is done by setting the reference voltage of a voltage regulator to the desired level and attaching the diode to the output of the voltage regulator. The diode then acts as a clamp, allowing only the regulated voltage to pass through, so that the desired voltage is maintained no matter what the input voltage is.
In current limiting applications, the BZX55C11 diode is used mainly to limit the current in a circuit, by allowing current to flow only up to a certain level. This is done by attaching the diode to the input of the circuit in series, so that the voltage across it is limited to the breakdown voltage of the diode. This prevents current from exceeding the level set by the breakdown voltage of the diode.
In inverters, the BZX55C11 diode is used to block the flow of current in one direction and to allow it to flow in the other direction. This is done by placing the diode in series with the input of the inverter, so that current can only flow from the output of the inverter to the input of the inverter. This allows the inverter to invert the input signal, as the current will be flowing in the opposite direction.
In flyback diode applications, the BZX55C11 diode is used to protect other components in a circuit from voltage transients. When a sudden change in voltage occurs, the diode will immediately respond and divert the excess voltage away from other components in the circuit, thus preventing damage to those components.
Overall, the BZX55C11 diode is a versatile and reliable component that can be used in a variety of applications, such as voltage regulation, current limiting, inverting and flyback diode protection. It is capable of operating within a wide temperature range and can handle up to 1A of reverse current.