熔断器选型计算器 — 公式

## Maximum Power Transfer Theorem

Max power is delivered when R_load = R_th.

### Formulas

**R_load = R_th**

**P_max = V_th^2 / (4 x R_th)**

Efficiency is 50% at this point.

计算示例

V_th = 10 V, R_th = 50 ohms.

  1. R_load = R_th = 50 ohms
  2. P_max = 100 / 200 = 0.5 W
  3. Efficiency = 50%