Instruction manual
OM2  9 
PARTS LIST 
Semiconductors 
1  SFH620A optical isolator, (OC1) 
2  2N3904 transistor, (Q1, Q2) 
2  1N4002 diode, (D1, D2) 
Resistors 
2  1K resistor, (R6) [brown-black-red] 
3  10K resistor, (R3, R4, R5) [brown-black-orange] 
1  10 ohm resistor, (R8) brown-black-black] 
Configuration Resistors 
2  33K resistor, (R1, R2) [orange-orange-orange] 
2  15K resistor, (R1, R2) [brown-green-orange] 
1  39 ohm [orange-white-black] 
1  82 ohm [gray-red-black] 
1  220 ohm [red-red-brown] 
1  470 ohm [yellow-violet-brown] 
1  330 ohm [orange-orange-brown] 
1  680 ohm [blue-gray-brown] 
Capacitors 
1  47uF, 16V (C2 optional, application specific) 
0  Application specific, NONE INCLUDED (C1) 
Connectors 
3  2 pin screw terminals 
1  3 pin screw terminals 
1  2 pin header 
1 Jumper block 
Miscellaneous 
1 Circuit board 










