D690S20TXPSA1

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D690S20TXPSA1 is a type of single package rectifier diode manufactured by Panasonic, an electronics company based in Japan.
The diode has an internal mounting type and an external polarity. It has a nominal maximum reverse voltage of 20 volts and a nominal forward voltage of 0.75 volts. The D690S20TXPSA1 is primarily used for AC-DC conversion and for high-current rectification.

Application Field

The application field of the D690S20TXPSA1 rectifier diode is mainly used in AC-DC conversion as well as in high current rectification applications. The diode can be used in high power inefficient AC loads such as industrial machinery, welding systems and automated equipment. Besides, it is suitable for charging applications in battery powered toys, electrical tools, and medical equipment.

D690S20TXPSA1 is also ideal for voltage clamping, surge suppression, and transient protection applications. It is also used in AC-DC switching converters as well as high current bridge rectifiers for smaller demands.

Working Principle

The D690S20TXPSA1 rectifier diode is a silicon-based device that acts as a one-way valve for electricity. It is a semi-conductor device that allows electric current to flow through it in one direction and blocks the current flow in the opposite direction. The diode is a V-I (voltage-amperage) device which has a V-I curve that indicates the voltage and current relationships.

When adequate voltage is provided, the diode will become forwardly biased and will allow electric current to flow through it. This current is then rectified and smoothed to produce a steady DC voltage. On the other hand, when the reverse voltage is higher than the nominal forward voltage, the diode will become reversely biased and no current will flow through it. The D690S20TXPSA1 is powered by a DC supply, with the required voltage determined by the AC source voltage, the rectifier load and the bridge rectifier configuration.

The diode can also be used as a voltage clamping device. In this application, a diode is connected in parallel with the load in such a way that the anode of the diode is facing the ground and the cathode to the load. When a voltage spike or surge occurs, the diode will be forwardly biased and the voltage is clamped to the predetermined voltage level. This prevents the voltage spike or surge from reaching the load and causing damage.

The rectifier diode has a wide variety of application fields, making it an essential device in many modern electronics like smartphones, tablets and laptops. As a reliable source of power supply, rectifier diodes are often used alongside other components to set up AC-DC power supplies.

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