SM6S33ATHE3/I

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SM6S33ATHE3/I Application Field and Working Principle

The SM6S33ATHE3/I series of TVS - diode products have been designed to provide effective protection against voltage transients and overvoltage caused by lightning, power grid faults and switching operations. The series offers high surge capability, low leakage and low clamping voltage in a small surface-mount package. Suitable for both mobile and fixed installations, the SM6S33ATHE3/I devices provide dependable system security.

The TVS - diode series is available in a variety of packages, including single-line, two-line, SMF, SLL, SOIC8, SOD-123 and chip-scale packages. It has a wide range of ESD levels, including 8kV with a 80A peak pulse current. These devices can be used in a variety of applications, from circuit protection in telecom systems to automotive power protection.

The working principle of a TVS diode is based on the avalanche breakdown mechanism. When the voltage applied to the cathode of the diode exceeds the threshold voltage, a region of high electric field forms inside the diode, allowing electrons to gain enough energy to cause further ionization in the vicinity. This is the avalanche breakdown, which causes the current to increase rapidly.

The SM6S33ATHE3/I series includes some non-linear devices, which offer a higher surge capability and lower leakage current. These devices can be used in circuits requiring higher levels of protection, as they can absorb up to 400A peak operating current without damage.

When worked in conjunction with other overvoltage protection components, such as capacitors, resistors and varistors, the SM6S33ATHE3/I series can effectively reduce the destructive power surges and overvoltages that are typically caused by lightning strikes and power grid faults.

The SM6S33ATHE3/I series of TVS - diodes has excellent ESD performance, offering up to 8kV ESD protection and up to 80A peak pulse current. The series is RoHS compliant, making it a reliable and cost-effective protection solution for many different types of circuits. With its wide range of packages, it is suitable for both mobile and fixed applications.

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