BZD27B39P-M3-18

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The BZD27B39P-M3-18 is a class of single Zener diodes commonly employed in electronic circuits. Its purpose is to keep the voltage of an electrical signal within a specified range and protect sensitive electronic components. It is composed of a single N-type layer structure and its electrical characteristics ensure that the zener voltage remains constant even when the current and temperature vary.

Application field

The BZD27B39P-M3-18 is specifically designed for protection from high voltage transients and current surges due to its efficient and stable voltage regulation. It is usually found in power supplies, inverters, high-voltage inverters, voltage regulators, and switching circuits. It is also used in electrical equipment such as communications networks, personal computers, amplifiers, radio receivers, and frequency dividers.

Working principle

The BZD27B39P-M3-18 is a Zener diode designed for a 6.3V voltage breakdown, allowing applied voltage up to 8.5V. The diode works in the reverse bias mode; this means that the depletion region of the diode acts as an electrical insulator, allowing the diode to regulate the voltage at its desired level. When the applied voltage exceeds the rated breakdown voltage, the diode produces a small reverse current, and this current produces an opposite voltage, thus keeping the voltage across the diode constant.

When the applied voltage rises above the breakdown voltage, the diode\'s reverse current also increases proportionally. This is how it ensures that the output voltage remains constant and within the specified range. The maximum current it can handle is 5A.

In summary, the BZD27B39P-M3-18 is a single Zener diode which offers efficient and stable voltage regulation. It is suitable for applications such as power supplies, voltage regulators, switching circuits, and inverters. It is used in a variety of electronic devices to protect delicate electronic components from high voltage transients and current surges.

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