C907U390JZSDCA7317 vs C907U500JZSDAA7317
| Part Number |
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| Category | Ceramic Capacitors | Ceramic Capacitors |
| Manufacturer | KEMET | KEMET |
| Description | CAP CER 9PF 440VAC SL RADIAL | CAP CER 50PF 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 | 50 pF |
| Lead Style | Formed Leads - Kinked | Straight |
| 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. Can ceramic capacitors be used in AC?
Ceramic capacitors are well suited for AC circuits because they have good frequency response characteristics and low losses.
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3. Why are mica capacitors so expensive?
Mica capacitors are expensive because of their excellent electrical properties (such as very low dissipation factor and stable temperature coefficient) and their high production costs.
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4. Do ceramic capacitors degrade over time?
The capacitance value of ceramic capacitors may decrease slightly over time and environmental factors, but this is usually a slow process.
