093 pmg-si, Vishay bccomponents – C&H Technology 093 PMG-SI User Manual
Page 6
093 PMG-SI
Vishay BCcomponents
Aluminum Capacitors
Power Miniaturized General Purpose Snap-In
www.vishay.com
For technical questions, contact:
Document Number: 28383
40
Revision: 04-Dec-09
RIPPLE CURRENT AND USEFUL LIFE
Table 4
Table 5
MULTIPLIER OF RIPPLE CURRENT (I
R
) AS A FUNCTION OF FREQUENCY
FREQUENCY
(Hz)
I
R
MULTIPLIER
400 V and 450 V
60
0.90
100
0.95
120
1.00
500
1.20
1000
1.30
≥ 10 000
1.40
TEST PROCEDURES AND REQUIREMENTS
TEST
PROCEDURE
(quick reference)
REQUIREMENTS
NAME OF TEST
REFERENCE
Useful life
CECC 30301
subclause 1.8.1
T
amb
= 85 °C; U
R
and I
R
applied:
2000 hours
ΔC/C: ± 30 %
ESR
≤ 3 x spec. limit
I
L5
≤ spec. limit
no short or open circuit,
no visible damage
total failure percentage:
≤ 3 %
Shelf life
(storage at
high temperature)
IEC 60384-4/
EN130300
subclause 4.17
T
amb
= 85 °C; no voltage applied;
500 hours
After test: U
R
to be applied for 30 minutes,
24 hours to 48 hours before measurement
ΔC/C: ± 20 %
ESR
≤ 2 x spec. limit
I
L5
≤ 1 x spec. limit
Fig.4 Multiplier of useful life as a function of ambient temperature and ripple current load
I
A
= actual ripple current at 120 Hz
I
R
= rated ripple current at 120 Hz and 85 °C
(1)
Useful life at 85 °C and I
R
applied: 2000 hours
T
amb
(°C)
Lifetime multiplier