PGSMAJ8.5CAHM2G Circuit Protection

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TVS diodes, also known as Transient Voltage Suppressors (TVSs) are unidirectional devices used to protect circuits from electrostatic discharge (ESD) and voltage surges. Applications include protecting electronics from voltage spikes, ESD, and lightning damage. The PGSMAJ8.5CAHM2G is a TVS diode designed to protect electronic circuits from voltage spikes, ESD, and lightning damage.

This diode can provide up to 8.5 kilovolts of protection, with multilayer protection against ESD voltages as high as +/- 25kV. It also has a feedback-free operation. This makes it most suitable for telecommunications and networking applications such as Ethernet, VoIP, DSL, and FTTx.

The diode\'s structure is designed to maximize its electrical field distribution and reduce the possibility of spark-over or field enhancement failures. The device has an expanded lead length and optimized lead angle for improved stability and ease of welding. This leads to better device protection and robustness, especially when deployed in multiple-diode applications.

The PGSMAJ8.5CAHM2G is suitable for operation in the temperature range -55°C to +125°C. The typical breakdown voltage for these diodes is 8.5kV. It has a peak pulse power rating of 600W (tp = 8/20µs) and an average power dissipation of 1 watt. It has an ESD clamping voltage of 5V. The device features a low junction capacitance of 5pF maximum.

The working principle behind the PGSMAJ8.5CAHM2G is that it is a zener diode. When an overvoltage is applied to the diode, it initiates its breakdown voltage. This creates a low resistance path that diverts the excess current from the circuit, protecting it from damage caused by the overvoltage. The diode then conducts a small amount of current until the voltage returns to the normal operating range.

The device can be used for various applications such as I/O port protection, automotive ESD protection, and overvoltage protection. It is especially useful in applications where high levels of protection are required from transients and ESD, such as in industrial, military and aerospace applications. The PGSMAJ8.5CAHM2G is a reliable device, and is ideal for ensuring the safe and proper operation of electronic devices.

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