WT Datasheet, PDF (1/2 Pages) MERITEK ELECTRONICS CORPORATION – High reliability withstanding 2000 hours load life at 125C.

MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
WT High Temperature, For 125 C Use
Long Life Series
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
Low Impedance 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 125 C)
Shelf life (at 125 C)
Characteristics
-40 ~ +125 C
I = 0.03CV or 3 A whichever is greater (after 2 minutes)
20% at 120Hz, 20 C
WV
6.3
10
16
tan
0.22
0.20
0.16
When nominal capacitance is over 1000 F, tan
increase of every 1000 F.
25
35
50
0.14
0.12
0.10
shall be added 0.02 to the listed value with
WV
6.3
10
16
25
Z-25 C/Z+20 C
3
3
2
2
Z-40 C/Z+20 C
6
6
4
3
35
50
2
2
3
3
Capacitance change
tan
Leakage current
D 6.3 : 1000 hours,
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
After 1000 hours no load test, leakage current, capacitance and tan are same as load life value.
DRAWING
Unit : mm
Insulating sleeve
d 0.05 Tinned copper-ply wire
L max.
Safety vent 6.3 up)
15 min.
4 min.
P 0.5
D 5 6.3 8 10 12.5
P 2.0 2.5 3.5 5.0 5.0
d 0.5 0.5 0.6 0.6 0.6
1.5
2.0
FREQUENCY COEFFICIENT OF PERMISSIBLE RIPPLE CURRENT
Frequency(Hz)
F
120
1k
10k
~ 33
0.20
0.50
0.80
47 ~ 100
0.25
0.60
0.90
150 ~ 220
0.35
0.70
0.92
330 ~ 680
0.45
0.75
0.95
1000 ~ 1500
0.50
0.80
0.96
2200 ~
0.55
0.85
0.98
100k
1.00
1.00
1.00
1.00
1.00
1.00
107