SL1021B600C

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Gas Discharge Tube Arresters (GDT), also known as spark gaps, are used in over-voltage protection for electrical appliances. The SL1021B600C covers both AC and DC applications. It is a reliable, low-cost solution for many applications such as lighting systems, home audio/video, telecommunication, radar, CATV systems, signal broadcasting and other systems that require surge protection.

GDTs are used to protect circuits against short bursts of current known as surge current. It is based on the capacitance and inductance characteristics of the metal oxide material. GDTs can take a variety of forms, depending on the application, such as gas-filled dowel tubes, potted glass tubes, ceramic tubes, and surface-mount chip arresters.

The SL1021B600C is a surface-mount ceramic GDT which provides a low-capacitance surface-mount solution with very low leakage rates. It is designed for AC voltage, up to 600 V peak, between line and earth. The device is designed to be over volts protected during 8 x 20 ms surges, withstanding up to 900 V and up to 10A peak current. It also provides protection for short pulse transients up to 86V in amplitude.

The working principle of the SL1021B600C is based on the capacitance and inductance characteristics of the metal oxide material. It acts as a capacitor when a surge current is applied and absorbs the energy of the surge current. The device has two electrodes, anode and cathode. The metal oxide dielectric material is between them. When a surge current is applied, the metal oxide material is ionized and a conducting path is formed between the two electrodes. The device absorbs the surge current and dissipates it as heat.

The SL1021B600C is designed to provide reliable surge protection to electrical devices. It is easy to install due to the convenient SMD package. It does not require special installation, as it is designed to be mounted on a standard PCB. The device can be replenished when it is used up and has a very long lifespan. Furthermore, it is cost-effective and efficient, providing a reliable solution for lightning protection.

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