80CNQ045A

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Diodes are a really prevalent part of many electrical systems, and the 80CNQ045A is a particular multiple-diode array that has a wide range of applications. This article presents information about the 80CNQ045A application field and working principle.

The 80CNQ045A

The 80CNQ045A is a diode array that contains four Schottky diodes – hence the ‘quad’ in its name. It comes in either a surface mounted (SMT) form or through-hole format. The model is manufactured by the rectifiers, regulators, and switches devices division of ON Semiconductor and, while the SMT form has dimensions of 1.8mmx1.2mm, the through-hole form has dimensions of 2.6mmx2.0mm.

The devices are completely hermetically sealed and composed of a molded plastic package with an epoxy, and have safety features implemented for increased protection. These features include a high thermal flow rate, low thermal resistance and a wide operating temperature range.

Applications & Working Principle

The 80CNQ045A is mainly used for applications such as power switching, motor control, high voltage power supply control, and energy storage. The device’s high-current and wide operating temperature range make it suitable for these applications.

The 80CNQ045A works on a very simple principle. The voltage between two terminals is applied and current flows through the device in one direction. This is known as forward biasing and it causes the device to permit current in a single direction. When the voltage is reversed, this is known as reverse biasing and current flow is completely blocked. This process allows the device to be used as a switch and to regulate current flow in a circuit.

The device works by enabling current flow through the diodes when a potential difference is applied. The potential difference determines the direction of current flow and the amount of current that flows. The four Schottky diodes of the 80CNQ045A are connected in series, and the amount of voltage required to initiate current flow is determined by the addition of the voltage drops across each diode. This means that the 80CNQ045A has an increased breakdown voltage rating compared to single diodes.

Conclusion

The 80CNQ045A is a four-diode array that is suited to power switching, motor control and high voltage applications. The device is very simple in its operation and works by enabling current flowing in one direction when a potential difference is applied. It has higher breakdown voltage rating than single diodes due to the series connection of four diodes.

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