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2002 Feb 27
10
BCcomponents
Preliminary specification
Aluminum electrolytic capacitors SMD (Chip)
Long life base plate, very low impedance
150 CLZ
Fig.10 Typical impedance as a function of frequency.
UR = 63 V
Curve 1: case code 0810, 47
µF.
Curve 2: case code 1010, 68
µF.
Curve 3: case code 1014, 100
µF.
Tamb =20 °C.
10
5
JW171
10
4
10
3
10
2
10
102
10
1
0.1
0.01
f (Hz)
Z
( )
Ω
1
3
2
RIPPLE CURRENT AND USEFUL LIFE
Table 5
Multiplier of ripple current (IR) as a function of frequency
FREQUENCY
(Hz)
IR MULTIPLIER
UR =6.3 to 25 V
UR =35 V
UR =50 to63V
100
0.70
0.65
0.60
300
0.80
0.80
0.75
1000
0.85
0.85
0.85
3000
0.93
0.93
0.93
10000
0.95
0.95
0.95
30000
0.97
0.97
0.97
100000
1.00
1.00
1.00