BZM55C13-TR Discrete Semiconductor Products

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Diodes are specialized electronic components used as a switch or rectifier for current or voltage in a circuit. A Zener diode is a particular type of diode that, when reverse-biased, allows current to flow from its anode back to its cathode. Zener diodes are optimized to make use of their reverse breakdown voltage characteristic and are used for voltage regulation, voltage-reference, and surge absorption. They have various application fields, ranging from digital and analog circuits to power supplies and voltage regulation.

BZM55C13-TR is a single Zener diode with a breakdown voltage of 13V and a power rating of 200mW. It is designed to work in both periodic and transient over-voltage conditions, with an operating temperature range of -65 ~ +150 °C. This series device can provide protection against overvoltage and ESD. BZM55C13-TR is molded in a surface mount SOD-1ZN package, allowing it to fit in a small unit and be easily surface mounted.

The working principle of BZM55C13-TR can be illustrated by analyzing it\'s equivalent circuit. The equivalent diagram of the Zener diode is a two-port device, consisting of a reverse biased diode in series with the Zener voltage source. The Zener voltage source represents the Zener breakdown current. When the applied voltage across the diode exceeds the Zener breakdown voltage, current flows through the diode, creating the Zener effect. As the voltage across the diode increases further, the diode can pass large electric currents and regulate voltage for a range of applications. 17

In summary, BZM55C13-TR Zener diodes have various application fields ranging from digital and analog circuits to power supplies and voltage regulation. The working principle of it is based on the Zener breakdown effect, where electric current flows through the diode when the applied voltage exceeds the Zener voltage. The SOD-1ZN package allows BZM55C13-TR to fit in a small unit and be easily surface mounted, making it suitable for many electronic projects or products.18

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