SMC3K48CA-M3/9A

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SMC3K48CA-M3/9A is an important part of TVS Diode array, which is widely used in many applications and has a wide range of working principles.

TVS (transient voltage suppressors) diodes are special electronic protection devices designed to protect sensitive electronic components from voltage transients that exceed the industry specifications. They are designed for working with high voltage, current, power and speed, making them suitable for a lot of high frequency and high performance applications. They provide efficient protection from Interference (EMI/RFI), electrical overstress (EOS), power oscillations, noise, and other transients, which may occur in electrical circuits.

The SMC3K48CA-M3/9A is a tri-mode, four-diode TVS array. It consists of four TVS diodes connected in a low parallel configuration, providing a wide range of protection abilities. It offers superior protection from various voltage transients, with peak power levels of over 2000W (25μs). Its high clamping voltage can handle up to 48V of sustained transient voltage, providing extensive protection from over-voltage spikes. It also has a low forward voltage drop of less than 0.15V, enabling the device to operate with minimal power losses and a low on-state reverse leakage.

SMC3K48CA-M3/9A can be used in many applications that require robust voltage protection, such as AC/DC power supply systems, industrial control systems, electronic assemblies, automotive systems, and communications systems. It is particularly suitable for those workspaces that require high surge protection, low power losses, and fast response times.

The working principle of SMC3K48CA-M3/9A is based on the fact that TVS diodes have a reverse breakdown voltage, meaning that when the voltage applied to the diode exceeds this breakdown voltage, the diode is turned on and will conduct current. This causes the voltage across the diode to stay constant, so the clamped voltage is not allowed to increase. When the voltage decreases to normal, the diode becomes reverse biased again and will not conduct any current.

SMC3K48CA-M3/9A has a breakdown voltage of 48V, which means that it will turn on at 48V and clamp the voltage down to this level. When the transient voltage comes above 48V, the TVS diodes will turn on, absorbing the excess energy and clamping the voltage down. Once the transient voltage decreases below 48V, the TVS diodes will turn off again.

In summary, SMC3K48CA-M3/9A is an important part of TVS diode array, offering a wide range of protection abilities and providing superior protection from various voltage transients. It is widely used in many applications due to its high surge protection, low power losses, and fast response times. Its working principle is based on its reverse breakdown voltage and it will clamp down the voltage when the transient voltage exceeds the breakdown voltage.

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