PGSMAJ78A M2G Circuit Protection

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TVS (Transient Voltage Suppressors) diodes are current-limiting devices primarily used to protect sensitive electronic systems and components from any voltage transients. The PGSMAJ78A M2G is a TVS diode with common applications in automotive systems, general-purpose applications, and consumer electronics. This TVS diode affords superior electrostatic discharge (ESD) protection and is designed to withstand voltage levels up to ± 17kV. It has a maximum repetitive peak reverse voltage of 10V and a maximum non-repetitive peak surge current of 8A.

The PGSMAJ78A M2G exhibits very low series resistance, allowing for a favorable power profile when compared to standard uni-directional TVS diodes. It provides bi-directional ESD protection and is especially effective at protecting against electrostatic discharges (ESDs). It has a maximum junction speed of 10 picoseconds, which makes it well-suited for applications that require ESD protection with low capacitance and inductance. In addition to its low series resistance, the PGSMAJ78A M2G also features a low input capacitance of 0.2pF, making it ideal for high-speed digital circuitry.

The working principle of the PGSMAJ78A M2G is based on the principle of a voltage-dependent resistor (VDR). When a voltage greater than the breakdown voltage is applied across the diode, current begins to flow through the diode as the resistance reduces. This current low-value flow causes a voltage drop proportional to the applied voltage. This voltage drop serves as a protective barrier which prevents the system from any further damage due to overvoltage transients.

The PGSMAJ78A M2G also features a low leakage current of 0.02uA and exhibits very high reliability. It has a low capacitance-to-voltage ratio, allowing it to work effectively even in fast transients. This makes the PGSMAJ78A M2G an ideal choice for applications such as automotive systems, consumer electronics, and general-purpose electronics. It can also be used in systems or equipment to protect against overvoltage. In addition, it is also suitable for indoor and outdoor applications.

In conclusion, the PGSMAJ78A M2G is a robust and reliable TVS diode, suitable for almost any application requiring protection from overvoltage due to transients. Its low series resistance, low input capacitance, and high reliability make it a great choice for high-speed digital circuitry, automobiles, consumer electronics, and general-purpose electronics. It is also effective at protecting against electrostatic discharges (ESDs).

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