BZX85C20

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A BZX85C20 is a single, zener diode commonly used in many electrical circuit applications. It is an integrated circuit (IC) that produces a regulated voltage regardless of the input voltage, typically providing up to 20 volts of output power. It is used in various types of consumer electronics, automotive and industrial electronics, as well as telecommunications and data processing applications. With its relatively low cost, the BZX85C20 diode is a widely used device in a variety of consumer and industrial applications.

The BZX85C20 is designed as a two-terminal device used for generating a regulated voltage that does not exceed 20 volts. It contains two PN junctions in series, which form the diode structure. The anode is connected to the end of the internal PN junction, and the cathode is connected to the other end of the internal PN junction. The current passes through the PN junction between the anode and the cathode, and as the current passes through, the voltage is regulated and limited to the rated output voltage specified by the manufacturer.

The way the BZX85C20 works is known as “reverse-biased zener break down”. This means that the diode behaves like a resistor when exposed to a current or voltage according to its design parameters. As the current passes through the PN junction, the resistance of the diode increases, limiting the output voltage. In this way, the current is effectively limited to the desired voltage, making it an effective way to protect against voltage surges and overvoltage protection in many electrical systems.

The BZX85C20 is commonly used for voltage regulator and voltage reference applications. It has a relatively low power dissipation, making it an ideal choice for many consumer, automotive and industrial applications. Its low power requirements make it well suited for portable electronics, since it will not draw too much current, resulting in improved battery life. Additionally, as the diode is relatively inexpensive, its wide availability makes it attractive for many applications.

In addition to its use in regulating voltage in applications, the BZX85C20 is also used for voltage conditioning applications. Its two PN junctions provide low-impedance output, which is essential for accurate data transmission. Because of its low power dissipation and relatively small size, the diode can be incorporated easily into many types of circuits, making it suitable for many types of small to medium-sized electronic products.

Overall, the BZX85C20 diode is one of the most popular and widely used diodes for a variety of applications, ranging from voltage regulator and reference applications for consumer and industrial electronics, to voltage conditioning for data transmission. Its relatively low cost and robust design make it an attractive choice for many different applications, offering the benefits of efficiency, reliability and convenience.

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