Vishay bccomponents, Impedance (z), Ripple current and useful life – C&H Technology 057 PSM-SI User Manual
Page 10
Document Number: 28340
For technical questions, contact: [email protected]
www.vishay.com
Revision: 18-Aug-08
9
056/057 PSM-SI
Aluminum Capacitors
Power Standard Miniature Snap-In
Vishay BCcomponents
IMPEDANCE (Z)
Fig.16 Typical impedance as a function of frequency
Fig.17 Typical impedance as a function of frequency
RIPPLE CURRENT AND USEFUL LIFE
Curve 1: 330 µF
Curve 2: 680 µF
Curve 3: 1000 µF
Curve 4: 1500 µF
Curve 5: 3300 µF
Curve 6: 6800 µF
Curve 7: 10 000 µF
Curve 8: 15 000 µF
Curve 9: 22 000 µF
Curve 10: 33 000 µF
Curve 11: 47 000 µF
f (Hz)
10
1
10
3
10
2
10
7
10
6
10
5
10
4
10
1
10
3
10
2
10
5
10
4
Z
(m
Ω)
T
amb
= 20 °C
10
2
3
1
4
8
5
9
6
7
11
Case Ø D x L = 35 x 40 mm and 30 x 50 mm
Curve 1: 470 µF
Curve 2: 1000 µF
Curve 3: 1500 µF
Curve 4: 2200 µF
Curve 5: 4700 µF
Curve 6: 10 000 µF
Curve 7: 15 000 µF
Curve 8: 22 000 µF
Curve 9: 33 000 µF
Curve 10: 47 000 µF
Curve 11: 68 000 µF
f (Hz)
10
1
10
3
10
2
10
7
10
6
10
5
10
4
10
1
10
3
10
2
10
5
10
4
Z
(m
Ω)
T
amb
= 20 °C
10
2
3
1
4
8
5
9
6
7
11
Case Ø D x L = 35 x 50 mm
Fig.18 Multiplier of useful life as a function of ambient temperature and ripple current load
I
A
= actual ripple current at 100 Hz and 85 °C
I
R
= rated ripple current at 100 Hz and 85 °C
(1)
Useful life at 85
°C and I
R
applied:
12 000 hours (450 V types: 5000 hours)
1.3
1.2
1.1
1.0
0.8
0.5
0.0
40
50
60
70
80
90
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
(1 )
45
60
30
20
10
8
5
4
3
2
2.5
1.5
1
1.2
15
T
amb
(°C)
I
A
I
R
life multiplier