SZP6SMB24CAT3G Circuit Protection

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TVS - Diodes are an essential passive component of electronic equipment. They are used to protect sensitive circuits in a wide array of applications from electrical surge, ESD (electro-static discharge) and other transient voltages. The SZP6SMB24CAT3G is part of the large family of transil toolbox components specially designed to protect automotive electronic systems. Its features make it ideal for use in automotive, industrial and consumer applications were it can provide an extra layer of protection for sensitive circuits.

The SZP6SMB24CAT3G is a small size, 400V (automotive grade TVS) tri-level protection component. It is composed of one anode and two cathodes terminals. It similarly is available in different versions, which have different levels of clamping voltage.

The SZP6SMB24CAT3G application field includes:

• Automotive Systems - engine shut down, start/stop, Body Control Module, Light switch control, airbags, etc.
• High speed data lines - USB, LIN, CAN, etc.
• Telecommunications - analog and digital lines.

The working principle of the SZP6SMB24CAT3G is based on the principle of electrical “transil”; meaning that in the event of a voltage surge, the device “conducts” this surge from the anode to one or both the cathode terminals, thus creating an avalanche effect.

The SZP6SMB24CAT3G, in particular, can provide clamping protection, up to 400V (6.3A 8/20us) and up to 500V (1.7A 8/20us) depending on the product version. It also brings a low dynamic resistance, allowing the device to respond quickly to transients.The low induction design allows the device to deliver extremely low capacitance. The SZP6SMB24CAT3G offers an IEC 61000-4-2 (ESD) level 4, 15kV(air) and 8kV (contact), a high peak pulse current capability and is compliant with the RoHS Directive (lead free).

In conclusion, the SZP6SMB24CAT3G is a high performance, robust and reliable device which is suitable for any application requiring high levels of ESD and transient voltage protection. Its small size and wide variety of versions make it suitable for a range of different applications and also presents an economic solution for overvoltage protection.

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