SMC3K26CAHM3/9A

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TVS diodes are components used to prevent electrical damage due to overvoltages. The SMC3K26CAHM3/9A is a type of TVS diode designed to protect circuits from a variety of high-voltage sources. This type of diode is used in a variety of applications ranging from high-end integrated circuits to automotive and industrial applications.

The SMC3K26CAHM3/9A is an unidirectional diode composed of two separate silicon chips. Each chip contains an integrated thin-film resistor, an integrated diode, and an integrated Zener diode. The integrated thin-film resistor limits the current passing through the diode while the integrated Zener diode clamps the maximum voltage across the diode. This combination of two components provides a highly efficient charge- and current-limiting product for transient voltage surge protection.

The primary application for this particular TVS diode is the protection of integrated circuits from high-voltage surge sources ranging from 1 kV to 5 kV. In integrated circuits, transistors and other active components only operate within a certain voltage range. The SMC3K26CAHM3/9A protects these components by limiting the voltage applied to the circuit, thus preventing damage or destruction.

The SMC3K26CAHM3/9A also finds application in automotive applications such as onboard systems where transient voltage surge protection is essential to protecting circuit components. In addition, it is also used in a variety of industrial applications such as protection for power supplies used in equipment and machinery. These applications require the TVS diode to be able to limit the current and provide surge or ESD protection.

The working principle of the SMC3K26CAHM3/9A TVS diode is based on two actions. Firstly, when the diode is forward-biased with a voltage higher than the breakdown voltage of the Zener diode, it will conduct current in the forward direction and provide current limiting. Secondly, when a surge voltage is applied, the diode will also suppress the voltage by momentarily clamping the voltage below the breakdown voltage of the Zener diode, thus providing protection to the circuit components.

The SMC3K26CAHM3/9A is an ideal choice for providing surge protection to integrated circuits, automotive electronics, and industrial supplies. It is a highly reliable and efficient device, providing effective voltage and current limiting while also providing effective transient voltage surge protection. Its combination of current limitation and surge protection makes it an ideal choice for protecting sensitive components from damage.

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