C185D

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Thyristors – SCRs refer to semiconductor products, which are widely used in different fields of electronic applications. Thyristors-SCRs have the advantage of developing a high-power output without any significant voltage surges in the system. Specifically, C185D is a type of thyristor-SCR, with a high peak blocking voltage of up to 400 V, which is suitable for high-current applications.

The practical application of C185D is mainly in power supplies, lighting systems, and UPS. In power supplies, C185D is often used as an AC/DC or DC/DC converter, as well as for filtering and voltage regulation in high frequency converters. In lighting systems, it is used to control the power supply of indoor or outdoor lights. Finally, C185D can be used to reduce a large DC voltage from a battery to the desired voltage for various UPS systems.

When it comes to working principle, C185D is a three-terminal device which includes an anode, a cathode, and a gate. It consists of an N-type emitter that is surrounded by a P-type region. When the gate is negatively biased, the positive electrons are then attracted away from the N-type material to the P-type material, causing a depletion region around the gate. This depletion region reduces the resistance of the junction, forming a high current path. Thus, when sufficient current flows through the main terminals, the device will conduct current through the gate and turn on the thyristor-SCR.

When a large current is applied across the main terminals of C185D, the device will act as a closed switch and latches itself on. It will stay in that state until the current drops below a certain threshold or the gate voltage changes. Therefore, the gate of this device can be used to control the on/off state of the thyristor-SCR with ease. By using this feature, C185D can be used in many AC/DC and DC/DC converter applications as mentioned previously.

In conclusion, C185D is a powerful and reliable thyristor-SCR device with a peak blocking voltage of up to 400 V. It is widely used in power supplies, lighting systems, and UPS for its satisfactory efficiency and stability. Furthermore, the on/off state of this device can be easily controlled by a simple gate voltage change, making it suitable for a variety of applications in different field.

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