The same value, written every way
| 3-digit code | 220 |
|---|---|
| IEC code | 22p |
| Picofarads | 22 pF |
| Nanofarads | 0.022 nF |
| Microfarads | 0.000022 µF |
| Standard series | E6 value |
With a letter or a voltage code
The letter after the code is the tolerance, and a digit-letter pair in front of it is the rated voltage on film capacitors and some ceramics:
| Marking | Meaning |
|---|---|
| 220J | 22 pF, ± 5 % |
| 220K | 22 pF, ± 10 % |
| 220M | 22 pF, ± 20 % |
| 220Z | 22 pF, +80 / −20 % |
| 2A220J | 22 pF, ± 5 %, rated 100 V |
| 1H220K | 22 pF, ± 10 %, rated 50 V |
Where you meet it
This is a typical load capacitor for a crystal: one from each crystal pin to ground, next to the microcontroller.
Open the capacitor code calculator →Have a letter, a voltage code or a different value? The calculator reads any marking and gives the code for any value.
Frequently asked questions
What is a 220 capacitor?
Read as a code, 220 is 22 pF: 22 followed by no zeros, in picofarads. Some makers of small ceramic discs print the value written out instead, and then 220 means 220 pF.
What is 220 in µF and nF?
220 = 22 pF = 0.022 nF = 0.000022 µF.
What do 220J, 220K and 220M mean?
The same capacitance, 22 pF, with a tolerance of ± 5 % (J), ± 10 % (K) or ± 20 % (M).
Other common codes
100 221 222 223 224 225 226 330 470 680
Code system: EIA three-digit capacitance code and IEC 60062 tolerance letters.