CD 28L QL Series
2000 ~8000h at 105℃
Miniaturized
Low Impedance, High Current
Switching Power Supply
85℃
CD
269
PH
125℃
smaller
CD
110
PT
CD
287
GC
longer life
lower ESR
CD
284
XY
CD
281
LL
smaller
lower ESR
CD
28L
QL
Items
Operating Temperature Range(°C)
Voltage Range (V)
Capacitance Range(µF)
Capacitance Tolerance (20°C,120Hz)
Leakage Current (µA)
Characteristics
-55~ +105
6.3~ 63
12~ 18000
20%
After 2 minutes at 20°C application of rated voltage, leakage current is not more than 0.01CV or 3,
whichever is
greater
.
C:Nominal Capacitance(
µ
F) V:Rated Voltage(V)
Dissipation Factor
(20°C, 120Hz)
Rated Voltage(V)
Tan
δ(max)
6.3
0.22
10
0.19
16
0.16
25
0.14
35
0.12
50
0.10
63
0.08
For Capacitances>1000µF add 0.02 to every 1000µF
Stability at Low Temperature
(Impedance Ratio at 120Hz)
Rated Voltage(V)
6.3~ 63
3
Z
-55
℃
/Z
+20
℃
Useful Life
φ≤6.3
:4000h
:6000h
:10000h
:12000h
:14000h
φ
≥8:>250000h
φ8
φ
10
φ12.5
φ
≥
16
Load Life
φ≤6.3
φ8
φ
10
φ12.5
φ
≥
16
Endurance Test
φ≤6.3
φ8
φ
10
φ12.5
φ
≥
16
Shelf Life
:2000h
:3000h
:5000h
:7000h
:8000h
:3000h
:5000h
:7000h
:9000h
:10000h
Lifetime
1000h
Leakage Current
Not more than specified value
Not more than specified
value
Not more than specified
value
Not more than specified
value
Within
±20%
of initial
value
Not more than 200% of
specified value
After test:
U
R
to be applied
for 30min>24h
before
measurement
Capacitance Change
Within
±30%
of initial value
Dissipation Factor
Not more than 300% of specified value
Within
±
20% of initial Within
±20%
of initial
value
value
Not more than 200% of
Not more than 200% of
specified value
specified value
Condition:
Applied Voltage
U
R
Applied Current
I
R
Applied Temperature
105°C
U
R
1.4 x I
R
40°C
U
R
I
R
105°C
U
R
I
R
= 0
105°C
U
R
=0
I
R
= 0
105°C
Dimensions
mm
Frequency Coefficient
Frequency
120Hz
Cap(µF)
12~180
220~560
680~1800
2200~3900
4700~18000
0.40
0.50
0.60
0.75
0.85
1kHz
0.75
0.83
0.86
0.90
0.95
10kHz
0.90
0.93
0.95
0.97
0.98
100kHz
1.00
1.00
1.00
1.00
1.00
ΦD
F
Φd
a
5
2.0
0.5
6.3
2.5
8
3.5
10
0.6
12.5
5.0
16
7.5
0.8
18
Temperature Coefficient
Temperature(℃
)
Coefficient
+70
1.96
+85
1.68
+105
1.00
1.5
2.0
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