+2.4V
47
4.7M
1nF
4.7M
10μF
2.2nF
470k
100k
1M
^-------------- AO6604 ------------->
Input
touch-
sensor/
button
energy
transport
by light
over
isolation
gap
Energy source only for simulator testing
blue
LED
5mm
UV-A
LED
5mm
Optocoupler
LTV 817C
or similar
Q3
Q2
Q1
1N4148
Q1, Q2, Q3: NPN
BJTs with β > 150
like S9014
or BC 546B
10k
4.7k
4.7k
1k
47nF
10k
10k
1k
47nF
10k
10k
AC
230V
4A
220k
MOV
RMV05
275V
330
160mA
MOV
RMV05
275V
6
4
2
1
Photo TRIAC
Sharp
PC4SF21YVZ
BTA16-
800CWRG
10V
120
3.9V
1N4007
Class X2
Load
680nF
470μF
50Hz
*
150
33
A1
G
A2
1
1
220k
1
2
3
4
C1
C2
C3
C4
C6
C7
C8
temporarily connect
a 3mm red LED
or a µA-meter instead
of capacitor C6 while
mechanically adjusting
the UV-A and blue LEDs
1k
optional
3mm
indicator
LED
1
2
3
4
5
6
optional protective earth connection
R2
R1
R3
(1k to 1000k)