平行板电容器电容量计算器
根据 C = ε_r × ε₀ × A / d 求解电容量（皮法 pF）、相对介电常数、极板正对面积或极板间距。
Capacitance in picofarads (10⁻¹² Farads)
Dielectric permittivity relative to vacuum (FR-4 ≈ 4.4)
Effective facing electrode area in square centimeters
Separation distance between plates in millimeters
分步代入计算过程
A parallel-plate capacitor stores electrostatic charge proportional to its relative dielectric permittivity ε_r and conductive plate overlap area A, and inversely proportional to dielectric thickness d.
常见参考标准值
0.1 mm prepreg yields ~39 pF/cm² interplane decoupling
Low dielectric loss tangent for RF/microwave traces
Enables multi-microfarad capacitance in 0402/0603 packages
20 行数值对照表
Capacitance (pF) (C (pF)) · Relative Dielectric Constant (ε_r)
| # | Relative Dielectric Constant (ε_r) | Capacitance (pF) (C (pF)) | Δ % |
|---|---|---|---|
| 01 | 4.4 当前 | 389.5843 | 0.00% |
| 02 | 37.3559 | 3,307.56 | +749.00% |
| 03 | 73.7118 | 6,526.58 | +1575.27% |
| 04 | 110.0678 | 9,745.61 | +2401.54% |
| 05 | 146.4237 | 12,964.63 | +3227.81% |
| 06 | 182.7796 | 16,183.65 | +4054.08% |
| 07 | 219.1355 | 19,402.67 | +4880.35% |
| 08 | 255.4914 | 22,621.69 | +5706.62% |
| 09 | 291.8474 | 25,840.71 | +6532.89% |
| 10 | 328.2033 | 29,059.74 | +7359.17% |
| 11 | 364.5592 | 32,278.76 | +8185.44% |
| 12 | 400.9151 | 35,497.78 | +9011.71% |
| 13 | 437.2711 | 38,716.80 | +9837.98% |
| 14 | 473.627 | 41,935.82 | +10664.25% |
| 15 | 509.9829 | 45,154.84 | +11490.52% |
| 16 | 546.3388 | 48,373.86 | +12316.79% |
| 17 | 582.6947 | 51,592.89 | +13143.06% |
| 18 | 619.0507 | 54,811.91 | +13969.33% |
| 19 | 655.4066 | 58,030.93 | +14795.60% |
| 20 | 691.7625 | 61,249.95 | +15621.87% |
常见问题解答 (FAQ)
如何使用在线 平行板电容器电容量计算器 工具？+
输入已知参数或拖动滑块，即可在浏览器中实时计算并可视化 平行板电容器电容量计算器（基于关系式 C (pF) = (ε_r × ε₀ × A) / d）。根据 C = ε_r × ε₀ × A / d 求解电容量（皮法 pF）、相对介电常数、极板正对面积或极板间距。
可以导出或打印 平行板电容器电容量计算器 的结果吗？+
可以。支持一键复制数据、打印计算工作表或导出高清 SVG、PNG 和 CSV 文件。
我可以清空 平行板电容器电容量计算器 中的示例数据并从空白状态开始吗？+
可以。点击工具顶部的“清空 / 空白开始”按钮即可重置所有输入项，随时也可一键重新加载示例数据。