SMLJ190AE3/TR13

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TVS - diodes have numerous applications and are used for providing protection to sensitive electronics. Overvoltages can be caused by a variety of sources, ranging from lightning strikes to electrical transients. TVS - diodes provide a fast, robust solution for protecting the sensitive electronics against such overvoltages.

SMLJ190AE3/TR13 is one such TVS diode with a maximum stand-off voltage of 190V. It has an Ipp (peak pulse current) rating of 13A which indicates its current handling capability. It has an IEC 61000-4-5 certified maximum surge rating of 30A (8/20 µs pulse). The diode offers reliable protection for two lines with symmetrical data lines.

The SMLJ190AE3/TR13 is designed to provide protection against transient or surge voltages when connected between two lines such as EIA RS-422, RS-485, V.35, V.28, etc. The diode can also be used in applications to protect critical buses such as I2C, SPI, LAN, etc. Its bidirectional protection ensures that both positive and negative voltages are protected.

The working principle of the SMLJ190AE3/TR13 is simple but effective. When a transient voltage or surge higher than the rated voltage is applied, the diode breaks down, allowing the surge current to pass through it. This effectively shunts the high voltage and prevents it from overloading the device connected to it. Once the surge is over, the diode remains in a functioning mode, allowing the current to pass through again.

The SMLJ190AE3/TR13\'s low clamping voltage and fast response time make it a great choice for protecting sensitive electronics. This makes it an ideal choice for applications where a fast response is needed, such as power source switching, over voltage protection and ESD protection.

In summary, the SMLJ190AE3/TR13 is a great choice for providing over voltage protection for two line symmetric communication protocols. Its high Ipp rating, low clamping voltage, and fast response time make it an ideal choice for protecting critical buses and sensitive electronics.

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