SMD Electrolytic Capacitor Coding
SMD electrolytic capacitors are often marked with their capacitance and working voltage, e.g. 10 6V is 10 µF 6V . Sometimes a code is used instead, which normally consists of a letter and 3 digits. The letter indicates the working voltage and the 3 digits (2 digits and multiplier) give the capacitance in pF.
The band or stripe indicates the positive terminal.
For example, a capacitor marked A475 is a 4.7m F 10V unit.
475 = 47 x 105 pF = 4.7 x 106 pF = 4.7m F