软启动扬声器保护电路BOM
图中的各项指标如下:R1为22KΩ,R2和R3为390KΩ,R4为470KΩ,R5为1MΩ,R6、R7、R8、R9、R10和R12为10KΩ, R11为820 Ω, C1、C2、和C3为47uF,C4和C5为100uF, Q1为BC560C, Q2、Q3和Q4为BC550C,Q5为BD139,D1D2和D3为1N4148,D4为Green 5mm Led, D5为Red, 5mm Led IC1为TL071, RL1=Relay 12VDc Omron G2R2 ,J1=3pin, J2=2pin,J3=2pin。
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