LED 限流电阻

Estimate DC ballast resistance and resistor power using ideal LED model — screening only, not a datasheet replacement.

免费 · 无限制 · 浏览器内处理

如何使用

  1. 1Enter supply and LED forward voltage.
  2. 2Enter target current in mA.
  3. 3Read R and power.

常见问题

PWM?
Average current differs from peak; this tool is steady-state DC.

工程: 按学科的计算器 — 流体、电气、暖通、结构等。浏览器内运行，假设清晰。

加载中...