About the surge protection scheme of BNC video interface connector

In the following, Deso Hardware Electronic Industrial Defense Division will introduce you about BNC video interface The surge protection scheme of the connector will be developed from four aspects: the scheme protection circuit diagram, the application environment, the scheme description, and the use of protective devices, as follows:

1、 Scheme protection circuit diagram

2、 Application environment

1. Thunderstorm weather is frequent

2. The network communication equipment is seriously damaged after being struck by lightning

3. High requirements for surge protection level

3、 Scheme description

1. This scheme uses a TSS with low residual voltage and small junction capacitance, which will not affect data transmission.

2. Meet ITU K. 21 and other surge test standards.

3. Through ITU K. 21 10/700 μ s-5/320 μ s 40 Ω 6KV surge test. In addition, the withstand voltage level is related to the selection of TSS.

4、 Use protective devices

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