SMAJ24A-13

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TVS – diodes are a class of transient voltage suppressor diodes, designed to protect electronic equipment from surges of voltage from lightning strikes, line or load inductance, and even static discharges. The SMAJ24A-13 is a subtype of the SMAJ family of TVS-diodes, performing transient voltage suppressing up to a peak pulse power of 600W. It is designed for use in situations for which surge protection is needed, such as when connecting or disconnecting AC power sources or switching equipment.

The SMAJ24A-13 TVS-diode offers superior surge protection in applications that require a high degree of protection against voltage transients. This device is constructed of a dual-sensing mechanism, where capacitors are connected in series leading to an avalanche breakdown zone. This provides a much quicker response against voltage surges than the conventional single-sensing method. It is rated to suppress surge voltage up to 20 volts (the breakdown voltage) and operates with peak pulse current up to 150A.

The working principle of the SMAJ24A-13 is relatively simple. When an electric field is applied across its leads, the resulting avalanche breakdown voltage across the capacitors in series causes current flow from the anode to the cathode. This current is then limited by the breakdown voltage and the capacitance. Current flows through the device until either current or voltage reaches its leader or the capacitance is depleted.

The SMAJ24A-13 is specially designed for AC power sources and switching equipment. Typical applications include protecting television sets, computer power supplies, home audio systems, industrial motors, and other electronics from overvoltages and surges. It is also suitable for protecting downstream circuitry such as resistors, capacitors, and ICs, from damage caused by overvoltages.

The device features an active response, meaning it reacts quickly to short-term voltage events. This allows it to be used in more sensitive applications than other TVS diodes. The response time of the SMAJ24A-13 is around 0.5ns, which is much faster than most other devices. The device is also designed to be highly resistant to ESD events and offers excellent protection against overvoltage and overcurrent.

The SMAJ24A-13 TVS-diode is designed to offer superior protection in sensitive applications such as television sets, computers, and industrial motors. It is constructed of a dual-sensing mechanism providing faster response against voltage surges, and it is rated to suppress surge voltage up to 20 volts (breakdown voltage). It operates with peak pulse current up to 150A and an active response of 0.5 nSec. It is highly resistant to ESD events and provides excellent protection against overvoltage and overcurrent.

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