Application Background?

1. The RS485/232 wiring is very long, which is prone to overvoltage.

2. RS485/232 wiring is placed outdoors, which is easy to be struck by lightning

3. RS485/232 wiring is susceptible to interference from other lines

Socay Solution and Components

Thyristor Surge Suppressors(TSS)

TSS【P0080SB】Vdrm：6V；Vs：25V；Vt：4V；Idrm：5μA，Is：800mA，It：2.2A；Ih：50mA，Co：20-150pF，@10/700μS, 4KV

TSS【P0080SC】Vdrm：6V；Vs：25V；Vt：4V；Idrm：5μA，Is：800mA，It：2.2A；Ih：50mA，Co：20-150pF，@10/700μS, 6KV

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Application

1. Monitoring / security system

2. Access control system

3. Railway signal control lamp

4. Intelligent transportation system

5. Electricity meter / water meter / instrument

6. Optical transceiver

The Solution Note

1.The solution uses TSS with very low residual voltage, which effectively protects the RS485/232 chip

2.The response time of TSS is ns level. When applied in this solution, it can prevent surge and discharge static electricity.

3.The junction capacitance of TSS is small, and the application in this scheme will not affect the transmission of the control line

4.The solution meets the surge standards such as IEC61000-4-5 and GBT17626.5

5.The solution complies with IEC61000-4-2, GBT17626.2 and other electrostatic standards

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