MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
WD
Miniaturized, Extremely Low Impedance
Series
Smaller case sizes than RZ series
Extremely low impedance at high frequency
High reliability withstanding 5000 hours load life at 105 C
(2000/3000 hours for smaller case sizes as specified below)
Low Impedance Miniaturized Solvent Proof
Item
Operating temperature range
Leakage current max.
Capacitance tolerance
Dissipation factor max.
(at 120Hz, 20 C)
Low temperature characteristics
(Impedance ratio at 120Hz)
Load life
(after application of the rated
voltage for 5000 hours at 105 C)
Characteristics
-55 ~ +105 C
I = 0.01CV or 3 A whichever is greater (after 2 minutes)
I = 0.03CV or 4 A whichever is greater (after 1 minute)
20% at 120Hz, 20 C
Capacitance > 1000 F : tan increases by 0.02 for each 1000 F from below value.
WV
tan
WV
Z-55 C/Z+20 C
Leakage current
Capacitance change
tan
5, 6.3, 8 products are for 2000 hours,
6.3
0.24
10
0.20
6.3,10
5
16
0.16
25
0.14
16~35
4
Less than specified value
Within 20% of initial value
Less than 200% of specified value
10 products are for 3000 hours
Less than specified value
Within 20% of initial value
Less than 150% of specified value
35
0.12
50
3
50
0.10
Shelf life
(after leaving capacitors under
no load at 105 C for 1000 hours)
Leakage current
Capacitance change
tan
DRAWING
Unit : mm
Insulating sleeve
D 0.5 max.
d
0.05 Tinned copper-ply wire
D
P 0.5
5
2.0
0.5
6.3
2.5
0.5
1.0
8
3.5
0.6
10
5.0
0.6
12.5
5.0
0.6
2.0
16
7.5
0.8
18
7.5
0.8
P
d
L
max.
15 min.
4 min.
Safety vent
6.3 up)
MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
WD
series
DIMENSIONS & MAXIMUM PERMISSIBLE RIPPLE CURRENT
WV
Item
D L
(mm)
F
10
22
33
47
100
150
220
330
470
680
1000
1500
2200
3300
4700
6800
10000
15000
5
5
5
5
6.3
6.3
6.3
8
10
10
10
12.5
12.5
16
16
16
18
11
11
11
11
11
11
11
11.5
12.5
12.5
20
20
20
25
25
31.5
35.5
0.70
0.70
0.65
0.65
0.30
0.30
0.30
0.14
0.10
0.10
0.054
0.050
0.050
0.030
0.030
0.025
0.022
180
180
180
180
280
280
280
450
660
660
1100
1400
1400
2100
2100
2600
3000
5
5
5
5
6.3
6.3
8
8
10
10
10
12.5
12.5
16
16
18
11
11
11
11
11
11
11.5
11.5
12.5
16
20
20
25
25
31.5
35.5
0.70
0.70
0.65
0.65
0.30
0.30
0.14
0.14
0.10
0.08
0.054
0.050
0.038
0.030
0.025
0.022
180
180
180
180
280
280
450
450
660
850
1100
1400
1700
2100
2600
3000
6.3
Impedance
( )max.
20 C
100kHz
Ripple
current
(mA rms)
105 C
100kHz
D L
(mm)
10
Impedance
( )max.
20 C
100kHz
Ripple
current
(mA rms)
105 C
100kHz
5
5
5
5
6.3
6.3
8
8
10
10
10
12.5
12.5
16
16
18
11
11
11
11
11
11
11.5
11.5
12.5
16
20
20
25
25
31.5
35.5
16
Impedance
D L
(mm)
( )max.
20 C
100kHz
0.70
0.70
0.70
0.65
0.30
0.30
0.14
0.14
0.10
0.080
0.054
0.050
0.038
0.030
0.025
0.022
Ripple
current
(mA rms)
105 C
100kHz
180
180
180
180
280
280
450
450
660
850
1100
1400
1700
2100
2600
3000
WV
Item
D L
(mm)
F
0.47
1.0
2.2
3.3
4.7
10
22
33
47
100
150
220
330
470
680
1000
1500
2200
3300
4700
5
5
5
5
5
6.3
8
8
10
10
10
12.5
16
16
16
18
11
11
11
11
11
11
11.5
11.5
12.5
16
20
20
20
25
31.5
35.5
25
Impedance
( )max.
20 C
100kHz
Ripple
current
(mA rms)
105 C
100kHz
D L
(mm)
35
Impedance
( )max.
20 C
100kHz
Ripple
current
(mA rms)
105 C
100kHz
5
5
5
5
11
11
11
11
11
11
11
11
11
11.5
12.5
16
20
20
25
25
31.5
35.5
50
Impedance
D L
(mm)
( )max.
20 C
100kHz
5.0
3.5
3.0
2.6
2.3
1.4
1.2
0.60
0.43
0.24
0.17
0.12
0.10
0.085
0.065
0.043
0.038
0.034
Ripple
current
(mA rms)
105 C
100kHz
25
40
55
65
90
120
150
200
250
340
490
650
810
1100
1200
1600
2000
2300
0.70
0.70
0.70
0.70
0.65
0.30
0.14
0.14
0.10
0.080
0.054
0.050
0.030
0.030
0.025
0.022
180
180
180
180
180
280
450
450
660
850
1100
1400
2100
2100
2600
3000
5
5
5
5
6.3
8
8
10
10
10
12.5
12.5
16
16
18
11
11
11
11
11
11.5
11.5
12.5
16
20
20
25
25
31.5
35.5
0.70
0.70
0.70
0.65
0.30
0.14
0.14
0.10
0.080
0.054
0.050
0.038
0.030
0.025
0.022
180
180
180
180
280
450
450
660
850
1100
1400
1700
2100
2600
3000
5
5
5
6.3
6.3
8
10
10
10
12.5
12.5
16
16
18
嵌入式系统
