VJ0402D2R4DXBAP vs VJ0402D2R4DLBAP
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| Category | Ceramic Capacitors | Ceramic Capacitors |
| Manufacturer | Vishay Vitramon | Vishay Vitramon |
| Description | CAP CER 2.4PF 100V C0G/NP0 0402 | CAP CER 2.4PF 100V C0G/NP0 0402 |
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) |
| Series | VJ HIFREQ | VJ HIFREQ |
| Features | High Q, Low Loss | High Q, Low Loss |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount, MLCC | Surface Mount, MLCC |
| Package / Case | 0402 (1005 Metric) | 0402 (1005 Metric) |
| Applications | RF, Microwave, High Frequency | RF, Microwave, High Frequency |
| Tolerance | ±0.5pF | ±0.5pF |
| Temperature Coefficient | C0G, NP0 | C0G, NP0 |
| Size / Dimension | 0.040" L x 0.020" W (1.02mm x 0.51mm) | 0.040" L x 0.020" W (1.02mm x 0.51mm) |
| Voltage - Rated | 100V | 100V |
| Thickness (Max) | 0.024" (0.61mm) | 0.024" (0.61mm) |
| Capacitance | 2.4pF | 2.4pF |
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1. Do ceramic capacitors deteriorate over time?
While ceramic capacitors are relatively stable, their capacitance value may decrease slightly over time, especially under extreme environmental conditions. However, this change is usually small and will not significantly affect most applications.
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2. Can ceramic capacitors hold a charge?
Ceramic capacitors can store charge, but they have a higher leakage current than electrolytic capacitors, so they are less able to hold a charge.
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3. Does the voltage of ceramic capacitors matter?
Voltage ratings are critical to ensure safe operation. Using a capacitor below the rated voltage may cause premature failure; using a capacitor above the rated voltage may cause immediate damage.
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4. 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.
