Standard Capacitor Value

This is a capacitor selection reference chart to help you determine the size of an aluminium electrolytic capacitor, given the capacitor rating that you need.

Capacitor Selection Chart and the respective sizes case code

uF 6.3V 10V 16V 25V 35V 50V 63V 100V
 0.1 11
 0.22 11
 0.33 11
 0.47 11 11
 1.0 11 11
 2.2 11 11
 3.3 11 11
 4.7 11 11
10 11 12
22 11 11 12
 33 11 12 13
 47 11 12 12 14
 uF  6.3V  10V  16V  25V  35V  50V  63V  100V
 100 11 11 12 12 13 14 16
 220 11 11 12 13 13 14 15 18
 330 12 12 13 13 14 15 16 18
 470 12 12 13 14 15 16 17 19
 1000 13 14 15 16 17 18 19 23
2200 15 16 17 18 19 20 22
3300 16 17 18 19 21 22
4700 17 18 19 20 22
6800 18 19 20 22
10,000 19 21 22
22,000 23
 uF 6.3V 10V 16V 25V 35V 50V 63V 100V

Capacitor Dimension (Aluminum Electrolytic)

Dimension of an electrolytic capacitor

Nominal Case Size
Ø D x L		 Case Code Ø d Ø Dmax Lmax F
5 x 11 11 0.5 5.5 12.5 2.0
6.3 x 11 12 0.5 6.8 12.5 2.5
8 x 11.5 13 0.6 8.5 12.5 3.5
10 x 12 14 0.6 10.5 13.5 5.0
10 x 16 15 0.6 10.5 17.5 5.0
10 x 20 16 0.6 10.5 22.0 5.0
13 x 20 17 0.6 13.5 22.0 5.0
13 x 25 18 0.6 13.5 27.0 5.0
16 x 25 19 0.8 16.5 27.0 7.5
16 x 31 20 0.8 16.5 33.5 7.5
16 x 35 21 0.8 16.5 37.5 7.5
18 x 35 22 0.8 18.5 37.5 7.5
18 x 40 23 0.8 18.5 42.0 7.5