PGSMAJ22AHM2G Circuit Protection

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TVS (Transient Voltage Suppressor) Diodes are widely used in various applications for safeguarding equipment from transients of high energy. The PGSMAJ22AHM2G is a unidirectional TVS diode that provides a superior level of protection and is designed for ESD (electrostatic discharge) protection. It has a low capacitance of 0.6pF, and a high surge capability of 22A. The device is qualified according to JEDEC standard JESD22-A114-A.

The PGSMAJ22AHM2G is a small and low profile device. It has a bidirectional P-I-N diode configuration that is subject to a reverse voltage of up to 600V. The device has two sets of integrated suppressors which provide a surge current capability of 22A each. It has a maximum breakdown voltage of 8V, maximum allowable forward current is 1 Amp, and reverse current is 2.5uA.

The PGSMAJ22AHM2G is designed primarily for transient protection and ESD protection. It is suitable for use in a variety of applications, including automobiles, consumer electronics, computers, and industrial equipment. It is used to protect systems from transients, ESD, and overvoltage conditions. It is also suitable for use in applications where space is at a premium, such as Height-of-Components (HOC) compatible, and narrow-board applications.

The working principle of the PGSMAJ22AHM2G is to absorb the excessive energy caused by an external disturbance or transients, and dissipate this energy safely and quickly. The PGSMAJ22AHM2G is able to absorb and dissipate these transient energies by utilizing the junction capacitance of its diodes. The junction capacitance is the amount of energy stored in the junction of the diode and its lead wires. When a peak voltage surge greater than the junction capacitance level is applied, the PGSMAJ22AHM2G’s internal diode absorbs the excess energy by converting it to current and then to heat.

In the case of an ESD event, the transient current is absorbed by the PGSMAJ22AHM2G’s diodes and it dissipates the energy quickly in the form of heat. The accumulated charge is then safely dissipated via the connection wires to a safely isolated ground. This dissipating process prevents any damage to the protected circuitry.

The PGSMAJ22AHM2G is an ideal device for transient and ESD protection due to its low capacitance, its high surge capability, and its small size. It is suitable for use in a variety of applications, and is a reliable and cost-effective solution for protecting vulnerable components and systems from transients, ESD, and overvoltage conditions.

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