PGSMAJ75A M2G Circuit Protection

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TVS – Diodes refer to a semiconductor device that protects other electronic components, primarily integrated circuits, from electrical overstress, electrostatic discharge, voltage transients and induced surge currents. A Specific example is the PGSMAJ75A M2G series from Littelfuse which are designed for high quality 7.5 Watt applications where reverse voltage above 50 volts and low capacitance requirements may be present.

The PGSMAJ75A M2G series offers engineers the ability to use a wide range of routing boards and base materials to design their circuit boards. It also offers a wide range of operating temperatures from -55 C up to +150 C. With a low operating voltage of 3 Volts, its versatile design makes it ideal for automotive, medical, military and telecom applications.

The operating principle of this device is based on a reverse biased junction. In the reverse bias the diode acts as a resistor and forces the current to flow one direction. In this case, the diode is deployed in surge protection mode and when a surge in voltage is observed the anode side of the diode will draw an electric current, in order to regulate the voltage. After the voltage transient event has passed the reverse leakage current of the device is so low that it can still operate correctly even in high quality applications.

The device has a surge pulse rating of 8/20µs and clamping voltage of 530 Volts with a maximum operating voltage of 5Volts. It has a high level energy rating of 7. 5Watts and is capable of working at currents as high as 10A peak. The device also offers excellent heat dissipation thanks to its thermal design.

The device also has a low profile of 1.0mm max making it ideal for use in high-density applications. It also has a maximum breakdown voltage of 600 Volts and a high operating temperature of 150 degrees Celsius. Finally, the device offers excellent reliability and can withstand multiple surge events.

In conclusion, the PGSMAJ75A M2G series from Littelfuse is an ideal solution for 7.5 Watt applications that require low capacitance, reverse voltage above 50 volts, high performance and ultimate reliability. It offers a wide range of operating voltages from 3V up to 5 Volts and reliable surge protection thanks to its reverse biased junction. Moreover, the low profile of 1.0mm and its thermal design make it an ideal candidate for high-density applications.

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