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Diodes - Zener - Single

DDZ9697-7 application field and working principle

The DDZ9697-7 is a single Zener diode, usually used for electrical regulation in order to maintain a certain voltage level. This device is a widely used component specially designed for circuits in which a regulated voltage of about 5V is necessary for correct operation. The diode consists of a single PN junction and is used for controlling circuit voltages.

The device comes in an SOD-123 package, with a maximum lead spacing of 3.3mm, as specified by its manufacturer. It is designed for surface mount technology, a method for PCB assembly that uses automated pick-and-place machines and solder reflow to attach components to the board reliably.

The working principle of the component is relatively simple and straightforward. When a voltage is applied to its anode, a current is allowed to pass through since the component offers a very low resistance (called reverse breakdown voltage). This is the regulated voltage that needs to be maintained. However, when the applied current reaches the critical point, the component will then shut off, thus regulating and maintaining the voltage of the circuit.

The component can handle up to 500mA of peak current and 50mW of power dissipation, making it suitable for a variety of applications, such as voltage regulators for LCDs, LEDs, digital circuits and others. The component has an operating temperature range between -55°C and 150°C and a great line regulation of 0.01%, which allows a precise and stable control of the voltage.

In conclusion, the DDZ9697-7 is an excellent choice for electrical circuits in which maintaining a certain voltage level is paramount, due to its simple working principle, low power consumption, high reliability and great features.

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