review33.com:影音天地:capacitor一問

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[#1] capacitor一問我見有cap多過两脚，當然有d係用黎定位，但有冇師父可教一下小弟圖中既cap有咩分别，廠要用到两隻差别咁小既cap定佢地係有其它分别及不同用途		nickyleung 正式會員 113.xxx.xxx.19	2020-10-06 09:08

[#2] capacitor一問
第一張圖係350/385係咩意思? 以上每隻cap都有4隻脚
謝謝大家

nickyleung

正式會員
113.xxx.xxx.19

2020-10-06 09:11

[#3] capacitor一問
＞＞#2..350/385係咩意思
-----------------------------------------------
耐壓值峰值
google
capacitor voltage rating rated / peak 350/385
https://tinyurl.com/y4joqaba

cornercube

正式會員
119.xxx.xxx.111

2020-10-06 12:47

[#4] capacitor一問
兩顆都是法國出產的電解電容, 容量雖同是330uF, 耐壓亦接近, 最大分別是操作耐温值

圖一是 CEF 85*C, 圖二是 SIC-SAFCO 105*C

info2k

正式會員
124.xxx.xxx.130

2020-10-06 13:45

[#5] capacitor一問
謝謝各師兄
有必要用到咁Specific? 我意思係差好少, 都係350Vnorminal .
同埋4腳係點用?

最後修改時間: 2020-10-06 14:15:44

nickyleung

正式會員
118.xxx.xxx.250

2020-10-06 14:13

[#6] capacitor一問
＞＞#5...用到咁Specific? ...
----------------------------------------
耐壓值低d, 成本/價錢會平d,

體積細粒d, esr又低d(好d).

cornercube

正式會員
119.xxx.xxx.111

2020-10-06 14:41

[#7] capacitor一問
d

最後修改時間: 2020-10-06 19:11:36

danny123789

會員
124.xxx.xxx.47

2020-10-06 19:11

[#8] capacitor一問
??

最後修改時間: 2020-10-06 19:12:09

danny123789

會員
124.xxx.xxx.47

2020-10-06 19:11

[#9] capacitor一問
?

最後修改時間: 2020-10-06 19:12:54

danny123789

會員
124.xxx.xxx.47

2020-10-06 19:12

[#10] capacitor一問
#7 D？？咩意思？
我估these 2 caps have different functions. Otherwise, as a manufacturer, they won't make thing complicated like that. They need to stock up two components.
Are these caps dead? looks very old

最後修改時間: 2020-10-06 23:33:54

chapty

正式會員
113.xxx.xxx.19

2020-10-06 23:30

[#11] capacitor一問
Some amplifiers have two types of B+ high voltage supplies: tube and solid state rectifiers. As they have different working conditions, their smoothing capacitors are therefore in different specification. The 4 pins are used for mounting and indication of polarity (below pic).