亚洲国产精品久久久久久 I 扒开双腿疯狂进出 I 国产一区二区激情视频 I 久草网在线视频 I 中文字幕亚洲成人 I 佐山爱伦理片 I 伦理《禁忌6》 I 国产一级电影免费观看 I 黄网在线视频 I 中文字幕亚洲一区二区三区 I 日韩精品理论 I 无码人妻丰满熟妇区96 I 国内性生活视频 I 日韩久久综合 I 男生插男生视频 I 免费裸体网站 I 91久久精品国产91性色tv I 欧美黄色a级大片 I 亚洲精品成人a I 色哟哟国产精品 I 奶波霸巨乳一二三区乳 I 先锋18av资源在线 I 韩国日本黄色 I 国产做受高潮69 I 国产真实乱全部视频 I 超碰在线97av I 18禁美女裸体网站无遮挡 I 亚洲网站啪啪 I www 黄色 I 亚洲中文字幕va毛片在线 I 亚欧日韩在线 I 久久精品国产99久久久小说 I 久久国产精品99久久久大便 I 日韩大片在线永久免费观看网站 I 亚洲中又文字幕精品av I 亚洲国产成人精品无码区在线软件 I 国产网红主播精品一区 I 成人18精品视频 I 国产精品亚洲精品一区二区

Aluminum electrolytic capacitorBelonging to "finite life" components

※ The structure of Aluminum electrolytic capacitor is semi sealed, and the electrolyte will be reduced or even dried up due to the outward diffusion of electrolyte during long-term use;

※ Deterioration of the oxide film on the anode surface;

※ In the process of repairing the oxide film and heating the capacitor, chemical and Physical change occur in the electrolyte, which makes the performance of the electrolyte worse.

Aluminum electrolytic capacitorConcept and criteria of lifespan

※ Consumable failure

Failure caused by gradual deterioration of capacitor parameters.

Example: Leakage current: not exceeding the specified value

Capacity: Change within ± 20% of the initial measured value

Loss angle tangent: not exceeding 2 times the specified value

Appearance: No obvious abnormalities

※ Functional failure

More failures occur in the early stages of manufacturing and at the end of customer use, such as short circuits, open circuits, etc. This failure mode undermines the performance of capacitors.

Life estimation method):

Ripple current testing method

Under normal circumstances, there are three main factors that affect the lifespan of capacitors, namely environmental temperature, ripple current, and actual applied voltage. The actual service life of capacitors can be calculated using the following formula:

LX=L0 · KT · KV · KR

Among them, LX is the calculated service life of the capacitor

L0: Life of capacitor under rated conditions

KT: Temperature coefficient of capacitor

KV: capacitor voltage coefficient

KR: Ripple current coefficient of capacitor

Aluminum electrolytic capacitorPurchase Consultationhttp://m.eastad.com.cn/