1SMA6.5AT3G

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TVS - Diodes are an important part of the electronic circuit that protect from overvoltage, overheating, or even electrical noise. The 1SMA6.5AT3G is a diode designed to protect circuits from high speeds of transients like lightning and switching a load in an electronic device.

The 1SMA6.5AT3G belongs to the unidirectional low-capacitance transient voltage suppressors (TVS) diode series. Its applications include data and signal line protection and telecom components and other applications where EMC conformant protection is required. It has a reverse standoff voltage of 6.5V, a peak pulse power of 1500W, and a clamping voltage of 9.3V, making it suitable for providing protection for circuits against over voltage and transients.

The 1SMA6.5AT3G consists of three components: a diode, an insulator, and a resistor. The diode element consists of an anode and cathode. The initial voltage on the cathode is 6.5V, and the diode will enter non-conduction region if the voltage increases. The insulator is made of a dielectric material to separate the anode and cathode. The resistor is to limit the current during the on-state.

It works in the following manner. When an overvoltage or transient occurs, the voltage increase causes a current surge in the circuit. This in turn causes an upward shift in the voltage across the diode. When the voltage is high enough, the diode turns on and current flows. The diode\'s clamping voltage (9.3V) limits the voltage across the diode so as to maintain a normal working voltage.

Though the 1SMA6.5AT3G has a low capacitance, it also has a high peak power rating (1500W). This makes it suitable for high-voltage applications, such as lightning protection and power line transients. It can also be used in data, signal, and telecom components for protection against surges and noise.

In summary, 1SMA6.5AT3G is a type of TVS diode designed for use in data, signal, and telecom applications. It has a low capacitance, a high peak power rating, and a clamping voltage of 9.3V. It is used to protect circuits from overvoltage and transient events such as lightning and power line transients.

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