MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
WT
High Temperature, For 125 C Use
Long Life Series
Low Impedance Solvent Proof
Load life of 5000 hours at 125 C
Low impedance at high frequency
For electronic control unit and other high
temperature applications
Complied to the RoHS directive
Item
Operating temperature range
Leakage Current max.
Capacitance Tolerance
Dissipation Factor max.
(at 120Hz, 20° )
C
Characteristics
-40 ~ +125 C
I = 0.03CV or 3 A whichever is greater (after 2 minutes)
20% at 120Hz, 20 C
Capacitance > 1000 F : tan increases by 0.02 for each 1000 F from below value.
WV
tan
WV
Z-25 C/Z+20 C
Z-40 C/Z+20 C
Capacitance change
tan
Leakage current
D
Life time
D 6.3
1000 hours
6.3
0.22
6.3
3
6
10
0.20
10
3
6
16
0.16
16
3
4
25
0.14
25
2
3
35
0.12
35
2
3
50
0.10
50
2
3
63
0.10
63
2
3
100
0.08
100
2
3
Low temperature characteristics
(Impedance ratio at 120Hz)
Load life
(after application of the rated
voltage for 5000 hours at 125°
C)
Within 30% of initial value
Less than 300% of the specified value
Less than specified value
D 8
2000 hours
D 10
3000 hours
D
12.5
5000 hours
Shelf life (at 125°
C)
After 1000 hours no load test, leakage current, capacitance and tan are same as load life value.
The measurement shall be performed at 20 C by the KS C 6035 clause 5.4.
Unit : mm
DRAWING
Insulating sleeve
d
0.05 Tinned copper-ply wire
D 0.5 max.
ØD
P 0.5
5
2.0
0.5
6.3
2.5
0.5
1.5
8
3.5
0.6
10 12.5
5.0
0.6
5.0
0.6
2.0
16
7.5
0.8
MINIATURE TYPES
P
Ød
β
L
max.
15 min.
4 min.
Safety vent
6.3 up)
FREQUENCY COEFFICIENT OF PERMISSIBLE RIPPLE CURRENT
μ
F
Frequency
~ 33
47 ~ 100
150 ~ 220
330 ~ 680
1000 ~ 1500
2200 ~
120Hz
0.20
0.25
0.35
0.45
0.50
0.55
1kHz
0.50
0.60
0.70
0.75
0.80
0.85
10kHz
0.80
0.90
0.92
0.95
0.96
0.98
50kHz
0.90
0.95
0.96
0.97
0.98
0.99
100kHz≦
1.00
1.00
1.00
1.00
1.00
1.00
159
MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
WT
series
DIMENSIONS & MAXIMUM PERMISSIBLE RIPPLE CURRENT
WV
Item
ØD
L
(mm)
F
μ
47
68
100
150
220
330
470
680
1000
1500
2200
3300
WV
Item
ØD
L
(mm)
μ
F
10
22
33
47
68
100
150
220
330
470
680
5
6.3
6.3
8
8
10
10
10
12.5
12.5
11
11
11
11.5
11.5
12.5
16
25
20
25
0.80
0.34
0.34
0.19
0.28
0.14
0.10
0.06
0.06
0.05
250
405
405
760
760
1030
1430
1620
1720
1900
10
12.5
12.5
16
20
20
25
31.5
0.10
0.09
0.08
0.05
930
1330
1650
2430
12.5
12.5
12.5
20
25
34.5
0.16
0.12
0.10
1050
1290
1460
16
16
25
31.5
0.11
0.08
1500
1790
10
12.5
0.18
555
10
16
0.41
690
12.5
20
0.25
990
8
8
11.5
11.5
0.45
0.35
300
440
8
10
11.5
12.5
1.50
0.59
150
530
10
10
10
12.5
12.5
16
0.80
0.80
0.55
480
480
630
5 11
6.3 11
6.3 11
8 11.5
10 12.5
10 16
10 20
10 25
12.5 20
12.5 25
0.80
0.34
0.34
0.28
0.14
0.10
0.06
0.06
0.06
0.05
250
405
405
760
1030
1430
1500
1620
1720
1900
5
6.3
6.3
8
8
10
10
10
12.5
12.5
11
11
11
11.5
11.5
12.5
16
20
20
25
0.80
0.34
0.34
0.30
0.28
0.14
0.10
0.06
0.06
0.05
250
405
405
760
760
1030
1430
1500
1720
1900
5
6.3
6.3
8
10
10
10
12.5
12.5
11
11
11
11.5
12.5
16
20
20
25
0.80
0.34
0.34
0.28
0.14
0.10
0.06
0.06
0.05
250
405
405
760
1030
1430
1500
1720
1900
6.3
Impedance
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
10
Impedance
ØD
L
(mm)
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
16
Impedance
ØD
L
(mm)
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
25
Impedance
ØD
L
(mm)
5
6.3
6.3
8
10
10
10
12.5
12.5
11
11
11
11.5
12.5
16
20
20
25
(Ω)max.
20°
C
100kHz
0.80
0.34
0.34
0.28
0.14
0.10
0.08
0.06
0.05
Ripple
current
(mA rms)
125°
C
100kHz
250
405
405
760
1030
1430
1500
1720
1900
35
Impedance
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
ØD
L
(mm)
50
Impedance
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
ØD
L
(mm)
63
Impedance
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
ØD
L
(mm)
100
Impedance
(Ω)max.
20°
C
100kHz
Ripple
current
(mA rms)
125°
C
100kHz
160
