AK10-240C-12

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A Transient Voltage Suppressor (TVS) diode is an electronic component used in circuits for the purpose of protecting the circuit from voltage spikes, also known as transient voltages. The AK10-240C-12 is a type of TVS diode which is designed to provide protection against overvoltages and reverse-voltage transients in applications such as automobiles, consumer electronics, and LED lighting. This device is capable of absorbing large transient pulses in the range of 10 A to 240 V, and is designed for use in those applications that require a low-clamping voltage and high surge energy capability.

The AK10-240C-12’s unique feature is its ability to quickly clamp the rising transient voltage to a safe level without the need for a current limiting resistor. This is made possible by the low inner capacitance and the low leakage current. The low capacitance enables the device to dissipate the energy faster and more efficiently, while the low leakage current provides a longer service life with minimal degradation of the device over time.

The AK10-240C-12 has two different triggering modes. The unidirectional mode allows protection for one polarity of the transient voltages, while the bidirectional mode allows protection for both polarities. The device offers a wide range of operating and storage temperatures (-55C to +125C). The device’s maximum peak pulse energy remains consistent and not affected by temperature, and the minimum clamping voltage is 18.3V. It is also designed with an over-temperature shutdown feature, which protects the device from thermal failure.

The major application of the AK10-240C-12 is for transient voltage suppression in consumer electronics, LED lighting, and automotive systems. The device is also suitable for industrial applications such as AC power lines, DC systems, and I/O systems. Some common applications of this device are for DC-DC converters, motor drives, solar installations, and overvoltage protection in various audio and video electronics. In these applications, the device works by clamping transient overvoltages to a safe voltage level, thus protecting the sensitive electronics from the damaging effects of the voltage spike.

In terms of working principle, the AK10-240C-12 operates on the principle of avalanche breakdown. The device contains a zener diode which is connected in parallel with a fast-acting diode. When a voltage spike occurs, the fast-acting diode will quickly conduct the excess energy, while the zener diode conducts the remaining energy and clamps the voltage level to a safe level. This process of clamping the voltage level is called the clamping effect, and it is accomplished in a very short time. Once the voltage has been clamped to a safe level, the fast-acting diode will stop conducting and the zener diode will remain as an open circuit.

To conclude, the AK10-240C-12 is a type of TVS diode that provides protection against transient overvoltages and reverse-voltages. It is used in applications such as consumer electronics, LED lighting, and automotive systems. The device works on the principle of avalanche breakdown, and uses a fast-acting diode and a zener diode in parallel. The fast-acting diode quickly conducts the excess energy while the zener diode clamps the voltage and absorbs the remaining energy. This device is designed with a wide operating temperature range and low capacitance, allowing it to provide superior protection against voltage spikes in various applications.

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