C907U390JZSDAA7317 vs C907U470JZSDBA7317
| Part Number |
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| Category | Ceramic Capacitors | Ceramic Capacitors |
| Manufacturer | KEMET | KEMET |
| Description | CAP CER 9PF 440VAC SL RADIAL | CAP CER 47PF 440VAC SL RADIAL |
| Package | Tape & Box (TB) | Tape & Box (TB) |
| Series | C900AC SFTY X1-440 Y2-300 | C900AC SFTY X1-440 Y2-300 |
| Features | - | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc |
| Applications | Safety | Safety |
| Tolerance | ±5% | ±5% |
| Temperature Coefficient | SL | SL |
| Size / Dimension | 0.276\" Dia (7.00mm) | 0.276\" Dia (7.00mm) |
| Voltage - Rated | 440VAC | 440VAC |
| Lead Spacing | 0.295\" (7.50mm) | 0.295\" (7.50mm) |
| Thickness (Max) | - | - |
| Ratings | X1, Y2 | X1, Y2 |
| Height - Seated (Max) | - | - |
| Capacitance | 9 pF | 47 pF |
| Lead Style | Straight | Formed Leads - Kinked |
| Failure Rate | - | - |
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1. Is ceramic capacitor AC or DC?
Ceramic capacitors can be used in both AC and DC circuits. They have no polarity, so they can be installed at will.
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2. Why do ceramic capacitors make noise?
Some types of ceramic capacitors (particularly Class 2 ceramic capacitors) produce micro-vibrations when the voltage changes due to their material properties, which in turn cause faint mechanical noise.
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3. Do ceramic capacitors have a shelf life?
Ceramic capacitors themselves do not have a strict shelf life, but after long-term storage, testing is recommended to confirm their performance.
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4. Can ceramic capacitors be used for audio?
Ceramic capacitors can be used in audio circuits, but care needs to be taken to select the right type to avoid introducing unnecessary noise or distortion.
