MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
WA
SERIES
WA
85℃ Miniaturized low profile.
◆FEATURES
•
•
9~25mm height.
RoHS compliance.
105℃ Version
WA
WXA
◆SPECIFICATIONS
Items
Characteristics
Category Temperature Range
-40~+85℃
-25~+85℃
350~450V.DC
Rated Voltage Range
Capacitance Tolerance
6.3~250V.DC
±20%(20℃, 120Hz)
6.3~50V.DC
160~450V.DC
CV≦1000
CV>1000
I=0.01CV or 3μA whichever is greater.
(After 2 minutes application of rated voltage)
I=0.1CV+40
μ
A (1minute) I=0.04CV+100
μ
A (1minute)
Leakage Current(MAX)
I=0.03CV+15
μ
A (5minutes) I=0.02CV+25
μA (5minutes)
I=Leakage Current(μA) ꢀꢀꢀꢀC=Rated Capacitance(μF) ꢀꢀꢀꢀV=Rated Voltage(V)
Rated Voltage
(20℃, 120Hz)
6.3 10 16 25 35 50 160 200 250 350 400 450
0.26 0.22 0.18 0.16 0.14 0.12 0.20 0.20 0.20 0.20 0.20 0.20
(V)
Dissipation Factor(MAX)
(tanδ)
tanδ
When rated capacitance is over 1000μF, tanδ shall be added 0.02 to the listed value with increase of every 1000μF.
After applying rated voltage with rated ripple current for 2000hrs at 85℃, the capacitors shall meet the following requirements.
Capacitance Change
Dissipation Factor
Leakage Current
Within ±25% of the initial value.
Endurance
Not more than 200% of the specified value.
Not more than the specified value.
Rated Voltage
(120Hz)
6.3 10 16 25 35 50 160 200 250 350 400 450
Low Temperature Stability
Impedance Ratio(MAX)
(V)
Z(-25℃)/Z(20℃)
Z(-40℃)/Z(20℃)
6
4
4
8
3
6
2
4
2
3
3
3
3
5
5
7
12 10
◆MULTIPLIER FOR RIPPLE CURRENT
ꢀFrequency coefficient
Frequency
(Hz)
60(50) 120 500
1k 10k≦
1.5~6.8μF 0.65 1.0 1.20 1.30 1.50
10~68μF
100~1000μF 0.8
2200~10000μF 0.8
0.8
1.0 1.20 1.30 1.50
1.0 1.10 1.15 1.20
1.0 1.05 1.10 1.15
Coefficient
◆PART NUMBER
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WA
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D×L
Rated Voltage
Series
Rated Capacitance
Capacitance Tolerance
Option
Lead Forming
Case Size