Partlist

Resistors are 1/4W 5% (or better)

Part Value Qty Notes
B1 MB1S 1 SOIC-4
C1 10u 1 Must be low ESR (0.3 to 22ohms, no lower no higher). Tantalum are ideal but present a safety hazard so ultra low ESR electrolytics may be prefered. Rubycon ZLG series suitable
C2 10n 1
C3 see schematics 1 see text. 6.3mm maximum diameter. Rubycon ZLH series suitable.
F1-F2 250V 100mA TE5 fuse 1 Adjust based on selected OK1/OK2 characteristics
IC1 PIC10F200 1 Socket-mounted
IC2 TS2937 1 SOT223
OK1-OK2 MOC3063M 2 Compatible alternatives allowed, see text
R1-R2 680 2 For MOC30x3M, adjust based on selected OK1/OK2 characteristics
X1 2-way micro PCB terminal 1 2.54mm grid
X2 3-way micro PCB terminal 1 2.54mm grid
X3-X4 2-way 250V terminal 2 5.08mm grid