SMCG45A-HR

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The SMCG45A-HR is an uni-directional TVS diode designed for use in signal and data line protection in high speed line (<1GHz) applications. It is designed to protect against electrostatic discharges (ESDs), inductive switching even in data-critical applications. It is designed for applications such as automotive, industrial, consumer electronics, etc. The SMCG45A-HR can also be used for high frequency data and signal applications where high speed data rates are required.

The SMCG45A-HR TVS diode is a triple-line array, which is comprised of two outer lines containing diodes and an inner line of triple diodes. Both the outer and inner lines are designed to help dissipate the over voltage current in the event of an ESD discharge. The outer lines contain diodes with reverse breakdown voltages between 12V to 24V, while the middle line is designed with breakdown voltages between 5.6V to 8.2V. The combination of the three lines of protection provides superior ESD protection, while the inner line helps reduce the overshoot voltage.

The SMCG45A-HR TVS diode has a maximum power dissipation of 150mW, along with an ESD protection rating of 8kV. The device has a peak pulse surge current rating of 12A, with a continuous forward current rating of 200mA. The device also features a clamping voltage of 25V, so it can withstand up to 25V and it has a surge resistance of 40Ω. The SMCG45A-HR can withstand multiple surge pulses, with a typical life expectancy of 5,000 hours.

The SMCG45A-HR TVS diode is designed with a working principle whereby it acts like a voltage regulator that can clamp any voltage surge occurring on the protected line. When a voltage surge is detected, the diode acts to ground out the voltage surge by allowing current to flow through the diode or multiple diodes depending on the design. This current is then drawn away from the device and grounded out safely, thus providing protection for the device.

In conclusion, the SMCG45A-HR is an ideal solution for applications such as automotive, industrial, and consumer electronics. Its triple-line design, coupled with its superior ESD protection and low clamping voltage, ensures maximum protection for the device even in the most data-critical applications. The SMCG45A-HR is a reliable and cost-effective TVS diode solution, perfect for high speed data and signal line protection.

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