This supply uses no heavy step down transformer and has an extremely low parts count. The circuit can be built very small and can supply small currents for small projects. The major downfall of this supply is that it is not isolated from the AC line and can only supply small currents.
Part Total Qty. Description Substitutions
C1 1 0.39uF 250V Capacitor
C2 1 220uF 25V Electrolytic Capacitor
D1 1 1N4741 11V Zener Diode
BR1 1 1 Amp 200V Bridge Rectifier
MISC 1 Line Cord, Board, Wire, Case
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