ESR is a "loss"

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Technical and speculative discussion of amps, cables and other topics.

In Reply to: "Smoothing" and low ESR posted by langel on July 10, 2009 at 17:42:10:

Equivalent Series Resistance.

The rectifier ripple current (a function of capacitance and load current) produces the ripple voltage across the caps total resistance.

This produces a power loss (V^2/R) which is turned to heat which can cook the caps.

So lower ESR, less ripple, less heat, longer life.

That's ESR 101.

Cliff

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Follow Ups Full Thread

Topic - "Smoothing" and low ESR - langel 17:42:10 07/10/09 (1)

ESR is a "loss" - clifff 11:02:17 08/12/09 (0)

Follow Ups

ESR is a "loss" - clifff 11:02:17 08/12/09 (0)

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