固态电容寿命计算

Put a value Calculated

T 0 (℃)L 0(hrs)Tx (℃)I x (mArms)L x （hrs)L x （years)125

1,000

76.6

2,200194,952

15.0△T 0(℃) (I x / I RC )^2ΔT x (℃)I RC I C F 20

0.13

2.6

6,100

3,000

1.00

Frequency correction factor 1201

10k 50k 100k 0.050.300.550.70 1.00.10

0.35

0.60

0.80

1.0

Frequency (Hz)SMD(V-CHIP type)DIP(Radial type)ΔT x = ΔT o x (I x / I RC )^2

I x =I/C F

I RC ：額定紋波電流

Rated maximum permissible ripple current I RC (Arms)I x ：實際紋波電流

it is the ripple current when ripple current of actual using equal rated ripple current I RC , and at same I:實際使用條件下的紋波電流 ripple current of actual using

C F :頻率補償係數

compensation coefficient of frequency .ΔT 0:施加額定紋波電流時產品所產生的溫升(20℃)

An increase in core temperature produced by internal heating due to the rated ripple current (20oC)ΔT x :施加實際紋波電流時產品所產生的溫升(℃)

An increase in core temperature produced by internal heating due to actual operating ripple current (oC)T 0：最高額定工作溫度

Maximum rated operating temperature (℃)Size(D ∮)Size(H)

Rated Ripple Current (mArms)

L 0 (hrs)

8126100Cap.(uF)680ET 6.3L 0：保證壽命值

Base lifetime (hours) of the capacitor.T x ：裝置內的電容器實際環境溫度

Actual ambient temperature (℃) of the capacitor 1000

L X ：實際使用推算的壽命值

Lifetime (hours) of the capacitor to be estimated.(15 Years Life is Maximum)Part Number Series WV(VDC)固態電容壽命

ET006M821F12