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Result
0.1 µF
Marking Code
104
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View detailed breakdowns and explanations below.
📘 Capacitor Codes Demystified
Code 104 = 10 + 4 zeros (pF)
100,000 pF = 100 nF = 0.1 µF
Small ceramic capacitors don't have room to write "0.1 µF", so they use a 3-digit code (similar to resistor color bands). The first two digits are the values, and the third is the multiplier.
🧠 Prefixes Defined
- Micro (µ): 10⁻⁶ (Millionth)
- Nano (n): 10⁻⁹ (Billionth)
- Pico (p): 10⁻¹² (Trillionth)
✍️ Common Values
103: 0.01 µF (Standard decoupling)
104: 0.1 µF (Standard bypass)
475: 4.7 µF (Bulk storage)
📊 What is a Farad?
1 Farad is the ability to store 1 Coulomb of charge at 1 Volt. This is a huge amount of energy! Most household capacitors are fractions of a microfarad. Supercapacitors (used in electric buses) can reach 3000 Farads.
✅ Key Takeaways
- Always check units! Schematics mix nF and µF freely.
- pF is the base unit for 3-digit marking codes.
- 1000 nF = 1 µF.
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