SM4T82CAY Circuit Protection

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In the semiconductor industry, Transient Voltage Suppressor (TVS) diodes are a category of reliable voltage surge protectors. Among the TVS diode family, SM4T82CAY is one of the most popular. It is unparalleled in its capability to protect any circuit from excessive power surges and any possible dramatic data loss caused by such surges.

SM4T82CAY is a Transient Voltage Suppressor (TVS) Diode with a VBR (Breakdown Voltage Range) of 6 Volts and an IH (Hold Voltage Range) of 6.8 Volts-8.2 Volts. It is capable of absorbing 5 kW Transient energy (8/20μsec. of pulse waveform) in addition to at least 60A of continuous current. It is available in an extremely compact DO-9 surface mount package, making it extremely easy to install.

SM4T82CAY is best suited for applications which require both transient voltage protection and high reverse power characteristic. It is designed to protect sensitive electronic components from voltage spikes and power supply irregularities. It can be used in circuits in which the maximum rated current is less than 60A. Thanks to its small package size and ability to withstand high voltage transients, SM4T82CAY can be used in many different applications.

One of the most commonly used application of SM4T82CAY TVS diode is in automotive applications. Spikes in power supply due to the cranking of the vehicle’s starter motor, lightning and power outages can cause heat, sparks, and possible destruction of sensitive electronic components. SM4T82CAY provides a robust solution for protecting automotive systems from such voltage transients.

SM4T82CAY can also be used to provide both overvoltage and EMI/RFI protection. It is also often used to protect telecom and networking equipment such as base stations and routers. In addition to these applications, the SM4T82CAY can also be used to protect computer systems, video systems, and other data processing equipment from voltage surges.

The working principle of the SM4T82CAY is relatively simple: the reverse breakdown voltage of the device (VBR) is designed to trigger the avalanche breakdown of the diode when the voltage across the diode exceeds the reverse breakdown voltage of the device. When this occurs, the diode switches to a very low impedance state which diverts current away from the protected circuitry and towards the ground. This protects the circuit by absorbing the excess voltage and dissipating the energy in the form of heat.

The SM4T82CAY is an extremely reliable voltage surge protector that can be used in a wide variety of applications. It provides protection for electronic components from excessive power surges, minimizes the risk of data loss, and is available in an extremely compact surface-mount package. The device is simple in design and easy to install, making it perfect for both automotive and telecom/networking applications.

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