MAC4DLM-1G

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A thyristor is a solid state semiconductor electronics device with four layers of alternating N and P-type material. On the first meeting of three layers, when the applied gate voltage exceeds the gate trigger voltage, the thyristor can be switched from the off state to the on state, and then conduct an electric current. Thyristors are mainly used in power electronic devices and other switching applications, and they are used in a variety of motor control, DC-to-AC power conversion, and AC power control applications. The MAC4DLM-1G thyristor is used for AC power control applications.

MAC4DLM-1G Application Field and Working Principle

The MAC4DLM-1G thyristor is widely used in AC power control applications such as motor speed drives, motor soft-start feedback control, and machine tools. As one of the most widely used high electric power thyristors, it is suitable for uses in switching power supplies, lighting control, electric equipment, capacitor banks, and harmonic suppression applications. The MAC4DLM-1G is a medium-power thyristor with a rated current up to 1A and its built-in zero-crossing protection circuit improves its thermal characteristics and protects semiconductor elements under a large overcurrent. The device features a current control unit for enhanced stability, noise reduction, improved dynamic response, and better temperature protection.

The device also has a wide trigger gate range (2~8V) that reduces the amount of gate current to start the main thyristor. Parts of these protections help this device achieve reliable switching operation with long-term stable performance. The semiconductor switching elements used in the thyristor are four separate layers of N-type and P-type material, the junction between each layer forms a PN-junction. When the gate trigger voltage is applied and may exceed the lefthand junction junction threshold voltage, the current flows by the layer, forming the on state of the thyristor. By controlling the positive gate voltage applied to the gate part of the thyristor, it can be switched from off state to the on state, and then turn off the electric current. The MAC4DLM-1G features a higher trigger current than other thyristors, and a wider device firing angle range that increases their efficiency and accuracy.

Conclusion

The MAC4DLM-1G thyristor is widely used in power electronics, especially for AC power control applications, such as motor speed drives and other AC electrical applications. This device has a wide trigger gate range and improved temperature protection, as well as enhanced stability, noise reduction, and dynamic response. This thyristor has excellent switching performance, long-term stability and starts with less gate current. All these advantages make it one of the best performing thyristors in the market.

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