Datasheet

038 RSU
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Vishay BCcomponents
Revision: 24-Apr-13
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Document Number: 28309
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RIPPLE CURRENT AND USEFUL LIFE
Fig. 8 - Multiplier of useful life as a function of ambient temperature and ripple current load
Table 3
Table 4
MULTIPLIER OF RIPPLE CURRENT (I
R
) AS A FUNCTION OF FREQUENCY
FREQUENCY
(Hz)
I
R
MULTIPLIER
C
R
< 100 μF C
R
= 100 μF TO 1000 μF C
R
> 1000 μF
50 0.70 0.75 0.80
100 1.00 1.00 1.00
500 1.30 1.20 1.10
1000 1.40 1.30 1.12
10 000 1.50 1.35 1.15
TEST PROCEDURES AND REQUIREMENTS
TEST
PROCEDURE
(quick reference)
REQUIREMENTS
NAME OF TEST REFERENCE
Endurance IEC 60384-4/
EN130300
subclause 4.13
T
amb
= 85 °C; U
R
applied;
Case Ø  8 mm: 2000 h
Case Ø  10 mm: 3000 h
C/C: ± 20 %
tan   2 x spec. limit
I
L5
 spec. limit
Useful life CECC 30301
subclause 1.8.1
T
amb
= 85 °C; U
R
and I
R
applied;
Case Ø  8 mm: 2500 h
Case Ø  10 mm: 3500 h
C/C: ± 50 %
tan   3 x spec. limit
I
L5
 spec. limit
no short or open circuit
total failure percentage: 1 %
Shelf life
(storage at high
temperature)
IEC 60384-4/
EN130300
subclause 4.17
T
amb
= 85 °C; no voltage applied; 1000 h
after test: U
R
to be applied for 30 min, 24 h to 48 h
before measurement
C/C: ± 20 %
tan   2 x spec. limit
I
L5
 3 x spec. limit
Surge IEC 60384-4/
EN130300
subclause 4.14
From source of 1.15 x U
R
:
RC = 0.1 s ± 0.05 s;
1 000 cycles of 30 s on, 
330 s off, at 85 °C
C/C: ± 25 %
tan   1.5 x spec. limit
I
L5
 spec. limit
3.3
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.5
0.0
3.1
40 50 60 70 80 90 100
T
amb
(°C)
lifetime multiplier
(1)
70
50
4.0
6.0
2.0
1.5
30
15
10
3.0
20
1.0
I
A
I
R
CCC205
I
A
= Actual ripple current at 100 Hz
I
R
= Rated ripple current at 100 Hz, 85 °C
Useful life at 85 °C and I
R
applied:
Case Ø D ≤ 8 mm: 2500 h
Case Ø D ≥ 10 mm: 3500 h