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Sel 8 Sources Relay

2017-12-22 23:17  
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Sel 8 Sources Relay

Relay_sel_8.gif (16217 bytes)

    ????????? ??? ??? ?????????? ???????? ??? ??????????Sel 8 Sources???Up/Down Sel 8 Sources, ???? ?????? ?? ???????? ??? ????????, ????????????? ?? ??????????? ????????? ??????? ????????. ?? Relay 1-8 ??????? ?? ????? 6-24V DC. ??? ????? ???????? ??? ?????????? ?1-8, ?????????? ??? 10 mA , ????? ???????? ?? ???????????????? BD 139 ? BD 679 ?? R 1-8 15K?.

    It is the essential continuity of circuits Sel 8 Sources and Up/Down Sel 8 Sources, but can work and autonomously, collaborating with any suitable circuit of control. The Relay 1-8 can be 6-24v DC. For current of collector of transistors Q1-8, bigger the 10 mA, it is better we use BD 139 or BD 679 with R 1-8 is 15K?.

Part List

R1-8=4.7 KohmsT1-8=BD139(R1-8=15 Kohmsif  T1-8=BD679)
RL1-8=6V-24V dc RelayD1-8=1N4148
 

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