BZX884-C20,315

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Diodes, especially Zener diodes, are two terminal devices which allow current flow in either direction when forward biased. Zener diodes can also be used in reverse biased configuration to regulate and supply a fixed voltage drop. The BZX884-C20,315 is an example of a popular Zener diode.

The BZX884-C20,315 is a single Zener diode that operates over a wide operating temperature range of -40 to 85°C. It is a two-port device with an anode connected to the cathode of a reverse biased Zener diode and a gate connected to the anode of the Zener diode. The Zener Element of this diode can be regulated between 15 to 20 V with a nominal breakdown voltage of 1.5 V.

Before the application of the diode, selecting the proper Zener voltage is the most important factor. With the BZX884-C20,315, it can provide 15 to 20 volts of reliable voltage regulation in the forward biased configuration mode. Since the voltage of a Zener diode is semi-fixed and can easily manage overcurrent protection because its circuit appears to be always open, it is often used in voltage regulation and voltage stabilizer designs.

The primary function of a Zener diode is to regulate a particular voltage for systems with fluctuating current flows. To achieve this, the Zener diode must be placed in a circuit as a Zener element. The cathode of the Zener diode is connected to the load and the anode is connected to the power supply. When the Zener diode is forward biased, it behaves similar to a normal diode, allowing current to flow from the anode to the cathode. The voltage of the diode will remain relatively constant despite any variations in current flow.

When the diode is placed in reverse biased, there is an electric field between the anode and cathode that opposes current flow resulting in a voltage drop across the device. This drop is a semi-fixed voltage that is independent of the current through the diode. BZX884-C20,315 is designed to work with a Zener voltage of 15 to 20V and 500nA of maximum current. It also has a total power dissipation of 200mW and a slew rate of 100V/μs.

Insum, BZX884-C20,315 is an example of single Zener diode that helps to protect against electrical over-voltage by maintaining a fixed voltage output. When placed in a circuit, it functions as a voltage regulator and is commonly used in voltage stabilizing circuits to maintain an output voltage level independent of changes in the current load. The BZX884-C20,315 also offers great performance in a wide range of temperatures and features optimized ratings for safe, yet reliable operation.

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