VS-1N3892R

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Diodes - Rectifiers - Single: VS-1N3892R application field and working principle

The VS-1N3892R diode is a single-rectifier part manufactured by Vishay Semiconductors and is the perfect choice for circuit protection and rectification applications. The VS-1N3892R has very high current rating - up to 40 amperes of continuous rectifying current - and can withstand peak surge currents of up to 800 amperes. It is capable of continuous operation at temperatures as high as 125 degrees Celsius.

It is a polar device with a current flow from anode to cathode, which means that a voltage drop is created across the device when current flows through it. This voltage drop, called the “forward voltage drop”, is the amount of voltage that the device allows to pass through when the anode is more positive than the cathode. When the device is reversed biased, no voltage is allowed to pass through.

The VS-1N3892R has many applications, ranging from use as a rectifier in power conversions to use in power switches and rectifier bridges to provide boosted voltage generation. It is also used in the automotive industry as EMC suppression diodes and as transfer substrates in power converters. In each application, the device’s ability to handle high currents and its high temperature tolerance are beneficial. In addition, the device’s surface mount package further enhances its versatility.

The VS-1N3892R’s working principle is quite simple. When the anode is more positive than the cathode, by a certain amount, the device starts to conduct current. Current then flows through the device until the voltage across the device drops to approximately 0.7V, at which point it stops conducting. This phenomenon is known as the “forward voltage drop”, and is a property of all diodes.

The VS-1N3892R has an average forward voltage drop of 1.2V at 25 degrees Celsius, and its maximum continuous forward current rating is 40 amperes at a temperature of 25 degrees Celsius. The device’s reverse voltage breakdown rating is 130V at a temperature of 25 degrees Celsius. This means that when a voltage greater than 130V is applied to the device’s anode and cathode in the opposite direction, the device will not become electrically conductive.

The VS-1N3892R is a versatile rectifier diode with a wide range of uses and benefits. Its ability to handle high currents and high temperature tolerance make it ideal for use in power applications, while its surface mount package allows for easy mounting in tight spaces. Its working principle is simple, making it an excellent choice for any application requiring rectification and protection from EMC noise.

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