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	<id>https://w.electrodragon.com/w/index.php?action=history&amp;feed=atom&amp;title=Safety_capacitor</id>
	<title>Safety capacitor - Revision history</title>
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	<updated>2026-06-08T06:12:44Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://w.electrodragon.com/w/index.php?title=Safety_capacitor&amp;diff=28899&amp;oldid=prev</id>
		<title>Chao at 10:33, 22 December 2020</title>
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		<updated>2020-12-22T10:33:43Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;* Can use this tool to calculate the value of either the current or the safety capacitor [[File:RC-buck-caculator.zip]]&lt;br /&gt;
[[File:RC-buck caculator.png|400px]]&lt;br /&gt;
* 电压=voltage AC 频率=frequency 电流=current 容抗=condensance&lt;br /&gt;
* 计算电流= calculate current 计算电容= caculate capacitor&lt;br /&gt;
{| class=&amp;quot;wikitable sortable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! Common value !! current mA !! condensance K-ohm !! Recommended discharge resistor value &lt;br /&gt;
|-&lt;br /&gt;
| 0.022 uf || 1.5 || 144 || -&lt;br /&gt;
|-&lt;br /&gt;
| 0.047 uf || 3 || 67 || -&lt;br /&gt;
|-&lt;br /&gt;
| 0.1 uf || 7 || 31.8 || -&lt;br /&gt;
|-&lt;br /&gt;
| 0.33 uf || 22.81 || 9.65 || -&lt;br /&gt;
|-&lt;br /&gt;
| 0.47 uf || 32.5 || 6.77 || 1M&lt;br /&gt;
|-&lt;br /&gt;
| 1 uf || 70 || 3.2 || 510K&lt;br /&gt;
|-&lt;br /&gt;
| 2.2 uf || 152 || 1.45 || 200-250K&lt;br /&gt;
|}&lt;br /&gt;
[[category: AC-DC Protection]]&lt;/div&gt;</summary>
		<author><name>Chao</name></author>
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