FST7345M

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The FST7345M rectifier array is a popular choice for designing high-efficiency circuits for wide-ranging applications. It is a six-element bridge rectifier array that is available in a small SOIC-8 package with copper leadframes. It has a total on-state resistance of 4 mΩ, which is low enough for high frequency switching applications. The maximum forward current rating is 3 A and the maximum reverse voltage rating is 35 V DC. The FST7345M is designed for high current, low voltage applications and is suitable for both AC and DC applications.

The device is designed so that on-state resistance is minimized and switching losses are kept low. The balanced nature of the FST7345M rectifier array makes it a popular choice for AC applications in low voltage DC power supplies, battery charging circuits, and motor control. It also works well in synchronous rectification applications due to its low forward voltage drop.

The working principle of the FST7345M rectifier array is based on the principle of rectification, which is the process of converting alternating current (AC) to direct current (DC). It does this by using a semiconductor device such as a diode or a MOSFET, which acts as a one-way gate allowing current to flow in only one direction.

The basic operation of the FST7345M rectifier array is identical to that of a diode bridge rectifier. It utilizes four series-connected diodes arranged in a bridge format with two terminals. When a voltage is applied to the two terminals, current flows through the diodes in one direction only. This is what enables the FST7345M rectifier array to convert AC to DC.

The FST7345M rectifier array also has protection features to protect against surges. The device’s OC protection feature provides circuit protection by limiting the maximum current that can flow through the diode bridge. Its reverse polarity protection feature ensures that when reverse voltage is applied, no current passes through the rectifier array, thus making it immune to reverse voltage damage.

The FST7345M rectifier array is a versatile, efficient, and reliable bridge diode array. Its low on-state resistance and protection features make it an ideal choice for a variety of applications, including medical equipment, consumer electronics, automotive, and home appliance applications.

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