3KASMC18AHM3/57T Circuit Protection

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TVS (Transient Voltage Suppression) diodes are semiconductor components designed to protect electrical equipment from transients, which are short duration electrical disturbances on their power lines or data lines. They are installed in locations where transient voltages may wind up, such as in electrical and electronic equipment. The most common type of TVS diode is the 3KASMC18AHM3/57T.

The 3KASMC18AHM3/57T TVS diode is a silicon avalanche rectifier with a high peak power dissipation of 72 W and a breakdown voltage of 18 volts. It features a low capacitance of 7pF and a high Clamping Voltage of 32.3 volts. It also has an operating temperature range of -55 to +150°C, and ESD rating of 15kV.

The 3KASMC18AHM3/57T TVS diode is commonly used in applications where heavy transient activity is expected, such as in broadcast receivers, medical equipment, telecommunication systems, AC/DC power supplies, and surge protectors. It offers protection against both surge pulses and ESD. It is also suitable for applications where high reliability is required, as it is rated for a wide temperature range and has a very low Clamping Voltage.

The 3KASMC18AHM3/57T TVS diode works on the principle of avalanche breakdown. When a transient voltage is applied, a current flows through the diode, resulting in a localized increase in temperature and part of a material\'s atoms to become excited. This causes the electrons to acquire extra energy and move from their normal orbits, creating electron-electron collisions which allow the diode to conduct higher current levels. The current then quickly dissipates when the transient voltage falls below the breakdown voltage.

The 3KASMC18AHM3/57T TVS diode is a very effective means of protecting electrical equipment from transient voltages and high current pulses. It has a high peak power dissipation, low capacitance, and wide operating temperature range. It is commonly used in broadcast receivers, medical equipment, telecommunication systems, and AC/DC power supplies, and is a great choice for any application requiring reliable protection against transient voltage and high current pulses.

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