474 capacitor: 470 nF (0.47 µF)
A capacitor marked 474 has a capacitance of 470 nF. The first two digits (47) are the value in picofarads and the last digit (4) is the number of zeros to add.
474 in every unit
| Picofarads | 470,000 pF |
|---|---|
| Nanofarads | 470 nF |
| Microfarads | 0.47 µF |
| Farads | 4.7 × 10^-7 |
How to read 474
- Take the first two digits: 47.
- Add 4 zeros: 470,000 pF.
- Convert: 470,000 pF ÷ 1,000 = 470 nF; ÷ 1,000,000 = 0.47 µF.
With tolerance and voltage letters
| Marking | Meaning |
|---|---|
474J | 470 nF, ±5% |
474K | 470 nF, ±10% |
474M | 470 nF, ±20% |
1H474K | 50 V, 470 nF, ±10% |
2A474J | 100 V, 470 nF, ±5% |
Typical uses
470 nF capacitors are used for coupling, filtering and as X2 mains suppression capacitors in power supplies.
Related codes
FAQ
What is the value of a 474 capacitor?
470 nF (0.47 µF): 47 × 10^4 pF = 470,000 pF.
What does 474J, 474K or 474M mean?
The letter is the tolerance: J = ±5%, K = ±10%, M = ±20%. The value is still 470 nF.
Can I replace a 474 capacitor with a different type?
Usually, if the capacitance, voltage rating and temperature characteristic are at least as good. Check the rated voltage, and remember ceramic capacitors lose capacitance at high DC voltage.
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