GF1B/17A

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Diodes - Rectifiers - Single - GF1B/17A Application Field and Working Principle

GF1B/17A is a type of diode rectifier, composed of a single diode. It is designed for general purpose full-wave steering rectification, such as rectifying the voltage to fluctuating DC voltage. This article focuses on looking into its application field and working principle.

Application Field

This type of diode rectifier is typically suitable for AC-DC rectification, with a diverse application range from automotive electronics, industrial, personnel and home appliances, to communication and lighting control. A typical application includes the conversion of variable AC voltage to DC voltage.

It is commonly used in applications requiring high-voltage supplies of up to 400V. The lowest available rectifier operating voltage is 400V, whereas the highest is up to 600V. In some cases, the diodes of this type can be used to replace low-voltage, low-power and low-noise rectifier tubes. Thus it is also suitable for applications requiring electromechanical switches and relays.

Working Principle

The GF1B/17A rectifier is essentially a semiconductor device, operating on the principle of an AC to DC voltage conversion. In AC circuit to DC circuit conversion, an electric current is directed by a diode rectifier in one direction, with the diode blocking electric current flowing in the opposite direction. A diode may also be defined as a two terminal device comprised of P and N type semiconductor material, allowing electric current flow through it in only one direction.

In the GF1B/17A rectifier, when the AC voltage applied rises above the voltage of the forward junction, the diode turns ON and the current flows from the cathode to the anode. This causes the voltage at the anode to rise and the voltage at the cathode to fall. As the voltage further rises, the diode turns OFF and a reverse voltage is applied. This prevents the current from flowing in the opposite direction.

Conclusion

The GF1B/17A rectifier is a type of single diode, designed for general purpose full-wave steering rectification and AC-DC rectification. It is suitable for automotive electronics, industrial, personnel and home appliances, communication and lighting control, as long as the voltage supply requirements are met. The rectifier operates on the principle of an AC to DC voltage conversion, allowing electric current to flow through it in only one direction.

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