The first two numbers describe the value of the capacitor and the third number is the number of zeros in the multiplier. Read the capacitance value. How To Read A Capacitor 13 Steps With Pictures Wikihow How To Read Capacitors Computer Projects Electronics How To Read A Capacitor 13 Steps With Pictures Wikihow If abc is 104 then the digit 104 means 10104pf 100000pf 100nf 01uf. How to read capacitor value . Numbers 1 and 2 are value digits. Look for a tolerance value. L three numbers and a letter numbers 1 and 2 are value digits. P denotes pf n denotes nf. If a ceramic capacitor has three digits abc then the value would be ab10c pico farad. 0 1 1 10 2. Look for a or sign. If you have a capacitor that has nothing other than a three digit number printed on it the third digit represents the number of zeros to add to the end of the f...