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电解电容的寿命计算详细公式-2015
Rated Ripple(mA) 390 Designing Life(Hrs) 4000 Rated Temp(℃) 105
2016/1/8
α
2016/1/8 15:06 1.2
Input
Operating Conditions(试验条件):
Ambient Temperature(℃)T× Actual Ripple Current(mA)t× 754 77.1
1. 2. 3.
Capacitor Life time Calculation formula : Sபைடு நூலகம்RIES: Specification(须计算规格)
Rated Voltage(V) 400 Rated Cap(uF) 68 Dia(Φ ) 16 Length(L) 30
Date: AISHI Part NO:
Input
Life Calculate Formula(寿命推算公式) △Tx = △To*(tx/to)^2 CaseΦ ≦8 10,12.5 16,18 Lx = Lo' * 2^[(( To-Ta )/10 )] * 2 ^[((△To-△Tx )/5 )] α 1.0 1.1 1.2 Ly = Lx /365/24 Ta=Tx-(△Tx/α) NOTE LO: Guaranteed lifetime in catalog 〔Hrs〕 LO': Actual lifetime performance available for using in the formula 〔Hrs〕 To: Maximum rated operating temperature〔℃〕 to: Maximum rated ripple curraet 〔Arms〕[According to using frequency and then multiply conversion quotiety] △To: Designed temperature rise at maximum rated ripple current flow 〔℃〕 Ta: Actual ambient tempeature in the application operating〔℃〕 Tx: Surface temperature of capacitor case〔℃〕. tx: Actual ripple current flow in the application operating〔Arms〕 △Tx: Estimated temperature rise at capacitor core due to tx〔℃〕 Lx: Estimated lifetime〔Hrs〕 Ly: Estimated lifetime when 24 hours operating a day〔Yrs〕 4.
4000 LO: LO': 4000 105 To: 0.390 to: △To: 5 Ta: 61.5259259 77.1 Tx: 0.754 tx: 18.68888889 △Tx: 12207 Lx: Ly: 1.39348624
Lo目录标准寿命 Lo'实力寿命值 To操作的最高使用溫度 to目录使用之最大纹波电流(若使用的频率上不同,需再乘上系列目录上所提供的频率系数) △To设定最大容许纹波电流时所规定的纹波发热(℃)设定值5℃ Ta使用的周围溫度 Tx电容器表面溫度 tx实际使用之纹波电流 △Tx印加实际Ripple Current所造成之溫升预估值 Lx推算寿命(小時) Ly推算寿命(年)
result
YES