VI40120CHM3/4W

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VI40120CHM3/4W is a high-current bridge rectifier diode array from Vishay Semiconductors. It offers a total power rating of up to 28 A, with a single diode peak forward current rating of up to 12 A at ambients of up to 125°C. The diode array has a 4-pin TO-220AB package with a height of 9.7 mm and a duty cycle of up to 100%. The forward voltage drop of the device is typically 1.41 V at an ambient temperature of 25°C and up to 1.52 V at 125°C.

The VI40120CHM3/4W bridge rectifier diode array is used to convert AC power to DC power and is suitable for applications such as automotive battery charging systems, high-power LED drivers, and general rectification in automation and power supply systems. It is particularly useful when high-current dc power is needed in a limited space, as it provides a single, compact solution for eliminating the need for multiple discrete high-power diodes. This reduces both the cost and time required for assembly, as well as the thermal stress put on the components, resulting in improved performance and reduced power loss.

The VI40120CHM3/4W bridge rectifier diode array works by allowing current to flow in one direction and blocking it in the other. The bridge rectifier is composed of four diodes wired together in a bridge configuration, with two main terminals and two auxiliary terminals. The main terminals are connected to the source of AC power, and the two auxiliary terminals are used to complete the bridge circuit. When AC is applied to the main terminals, the diodes conduct current alternately in two directions, allowing for a smooth DC output. The VI40120CHM3/4W can be used in a bridge rectifier circuit to produce more power than what a single diode can provide.

The VI40120CHM3/4W bridge rectifier diode array is an ideal solution for high-current industrial and automotive applications. It is designed with a thick gold wire bond on the anode, providing improved thermal and electrical performance and enhanced stability. The device also features high peak surge currents and low forward voltage drop, resulting in improved efficiency and reduced component count. Additionally, the device has a wide junction temperature range of -55°C to +150°C.

In conclusion, the VI40120CHM3/4W bridge rectifier diode array is an efficient and reliable solution for high-current applications. It offers a compact package, high surge currents, and low forward voltage drop for improved power efficiency. The device is reliable over a wide operating temperature range and is suitable for automotive, industrial, and general rectification applications.

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