555 two-tone electronic doorbell circuit (1)

PESD1CAN electrostatic protection SOT23-3 24V two-way
Brand AVX TPSE226M035R0125 Low impedance tantalum capacitor AVX 22
Electronic scale crystal oscillator 3.2*2.5mm 3225 16M (16.000MHZ) 12PF 10PPM 20PPM 30PPM


NE55CD4011

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