0603J1000121KXR vs 0603J0630821KXR
| Part Number |
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| Category | Ceramic Capacitors | Ceramic Capacitors |
| Manufacturer | Knowles Syfer | Knowles Syfer |
| Description | CAP CER 120PF 100V X7R 0603 | CAP CER 820PF 63V X7R 0603 |
| Package | 0603 (1608 Metric) | 0603 (1608 Metric) |
| Series | - | - |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount, MLCC | Surface Mount, MLCC |
| Package / Case | 0603 (1608 Metric) | 0603 (1608 Metric) |
| Applications | General Purpose | General Purpose |
| Tolerance | ±10% | ±10% |
| Temperature Coefficient | X7R (2R1) | X7R (2R1) |
| Size / Dimension | 0.063" L x 0.032" W (1.60mm x 0.80mm) | 0.063" L x 0.032" W (1.60mm x 0.80mm) |
| Voltage - Rated | 100V | 63V |
| Thickness (Max) | 0.032" (0.80mm) | 0.032" (0.80mm) |
| Capacitance | 120pF | 820pF |
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1. Should ceramic capacitors have continuity?
A properly functioning ceramic capacitor should show a certain capacitance value between its pins, not completely on or off.
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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. Which side of a ceramic capacitor is the positive side?
Ceramic capacitors are non-polarized, so there is no positive or negative side.
