1KSMB33A M4G Circuit Protection

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A transient voltage suppressor or TVS is an electronic component used to protect circuits from electrical overstress. It acts like a diode, preventing voltage spikes in excess of the rated peak voltage from damaging the circuit. The 1KSMB33A M4G is a unidirectional Transient Voltage Suppressor (TVS) designed to protect high-speed data lines from damage and degradation caused by Electrostatic Discharge (ESD).

The 1KSMB33A M4G offers superior ESD protection for high-speed interfaces, including USB, Ethernet, HDMI, DisplayPort, and VGA, in consumer electronic and industrial applications. The device operates at a low capacitance of 0.007 pF, making it ideal for protecting high-speed data lines. It is rated with an ESD strike level of up to 25kV, offering superior protection against ESD damage.

The 1KSMB33A M4G utilizes the Electric Field Clamping concept to provide protection against Electrostatic Discharges (ESD) and other types of electrical overstress events. The Electric Field Clamping concept is the process of charging an insulation layer between the backplate and the silicon chip. This layer collects the excess energy from an ESD strike and dissipates it directly to ground, providing superior ESD protection without sacrificing signal performance.

The 1KSMB33A M4G offers superior protection from ESD damage by integrating a very low capacitance diode across two high-speed Tx and Rx lines. This allows the 1KSMB33A M4G to quickly clamp the voltage across the high-speed data line and quickly discharge any ESD energy. This offers superior ESD protection without sacrificing signal integrity.

The 1KSMB33A M4G is capable of operating in temperatures ranging from -40°C to 85°C. It is rated with a peak pulse power of 500 W and a junction capacitance of 2 pF. The device has a two-lead DO-219AB package for ease of mounting and minimal footprint on the PCB. The device meets the RoHS requirements of the European Union.

In summary, the 1KSMB33A M4G is an electro-static discharge (ESD) transient voltage suppressor (TVS) designed for protection of high-speed data lines from ESD and other electrical overstress events. It utilizes a low capacitance diode and electric field clamping concept to provide superior ESD protection without sacrificing signal performance. It is rated with an ESD strike level of up to 25kV and is capable of operating in temperatures ranging from -40°C to 85°C. It is ideal for consumer electronic and industrial applications.

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