CD0603-Z3V9 Discrete Semiconductor Products

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CD0603-Z3V9 is a single Zener diode in a very small 0603 surface-mount package. It is designed to provide protection against overvoltage, while also allowing current to flow in the normal direction.

The Zener diode is an elemental semiconductor diode that exhibits a breakdown voltage very close to its nominal Zener voltage when an adequate amount of reverse bias voltage is applied. At the breakdown point, the diode allows a reverse current to flow at an exponentially increasing rate through the silicon junction. This current is proportional to the applied voltage, and decreases as the load increases. This type of diode doesn’t exhibit the usual forward voltage drop characteristic of an ordinary diode.

A Zener diode is used to protect electrical circuits from overvoltage conditions, in order to maintain required conditions like voltage or current levels within a circuit. The Zener diode’s Zener voltage is primarily established by the dopant concentration and its temperature coefficient. The CD0603-Z3V9 has a nominal reverse breakdown voltage of 3.9 V, and its VF is typically 12 mV in forward bias.

By using CD0603-Z3V9, an electrical system can be protected from overvoltage, thus ensuring stable operation over a temperature range from -40°C to 125°C without the need for any compensation circuitry.

CD0603-Z3V9 can be used in various applications. In automotive systems, it can be used to protect against EMC interference, or as a voltage division network to maintain voltage levels within circuit tolerances. It can also be used as a reference voltage or protection against overvoltage in electronic equipment or battery-powered devices. In addition, the CD0603-Z3V9 can be used in power supplies to prevent power supply or load instabilities.

CD0603-Z3V9 Zener diode provides advanced performance both in terms of design flexibility and reliability. Its small size and wide temperature range give it the potential to be used in a variety of applications. Its reliable performance and excellent protection makes it ideal for use in many high-precision electronics.

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