The 2pF ceramic capacitor is a very smallvalue, highprecision component essential for highfrequency circuits, crystal oscillators, RF tuning, and critical impedance matching applications. This "mini" capacitor is predominantly available in surfacemount (SMD) packages to minimize parasitic inductance, with through-hole options available for prototyping.
The 2pF 50V capacitor is available in multiple form factors to suit different applications [citation:1][citation:2][citation:4]:
| Package Type | Package Case | Dielectric | Tolerance | Temperature Range | Common Use |
|---|---|---|---|---|---|
| - | - | - | - | - | - |
| SMD 0201 | 0201 [0603 Metric] | C0G/NP0 | ±0.1pF | -55°C to +125°C | Ultra-compact RF, mobile devices [citation:2][citation:11] |
| SMD 0402 | 0402 [1005 Metric] | C0G/NP0 | ±0.25pF | -55°C to +125°C | Compact, high-frequency circuits [citation:4] |
| SMD 0603 | 0603 [1608 Metric] | C0G/NP0 | ±0.1pF or ±0.25pF | -55°C to +125°C | General-purpose SMD RF applications [citation:1][citation:6][citation:9] |
| Through-Hole Radial | Radial | C0G | ±0.25% | -55°C to +125°C | Breadboard, prototyping, hobbyist projects [citation:7][citation:8] |
= Key Features =
UltraLow Capacitance 2pF provides minimal loading for high-frequency circuits
HighFrequency Performance Very low ESR/ESL for excellent high-frequency response [citation:2][citation:3]
Precision Tolerance - Available from ±0.1pF to ±0.25pF for critical applications [citation:1][citation:6][citation:9]
Stable C0G/NP0 Dielectric - Offers ±30ppm/°C temperature stability and negligible aging [citation:6]
NonPolarized Easy assembly with no polarity concerns [citation:2][citation:3]
Wide Operating Range 55°C to +125°C temperature rating for demanding environments [citation:3][citation:4]
√ Ready to use - no polarity for easy assembly
√ Excellent high-frequency characteristics for demanding applications
√ Available in precision tolerance grades for critical circuits
Varies by seller:
Avoid using generalpurpose dielectrics in precision oscillator circuits - capacitance stability is critical
Avoid exceeding rated voltage for 50V rated parts, recommended operating voltage is typically ≤40V
Avoid placing capacitors far from ICs in highfrequency circuits - trace inductance degrades performance