MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
series
Miniature series with 7mm height
Endurance : +105 °C 2,000 hours
Wide temperature range of -40°C to +105°C
RoHS Compliant
L7
L7 105 C
1808
SPECIFICATIONS
Items
Characteristics
Category Temperature Range
Rated Voltage Range
-40~+105°C
6.3~63 Vdc
±20%(M)
Capacitance Tolerance
(at 20°C,120Hz)
I≤0.01CV or 3μA, whichever is greater.
Where, I:Max.leakage current (μA),C:Nominal capacitance (μF),V: Rated voltage (V)
Leakage Current
(at 20°C after 2 minutes)
Rated Voltage(Vdc)
tanδ (max.)
6.3
10
16
25
35
50
63
Dissipation Factor (tanδ)
0.22 0.19
0.16 0.14 0.12 0.10 0.09
(at 20°C,120Hz)
Low Temperature
Characteristics
(Max. Impedance Ratio)
Rated Voltage(Vdc)
Z(-25°C)/Z(+20°C)
Z(-40°C)/Z(+20°C)
6.3
4
10
3
16
4
25
35
2
50
63
8
6
3
(at 120Hz)
The following specifications shall be satisfied when the capacitors are restored to 20°C after the rated voltage is applied
for 2,000 hours at 105°C.
Capacitance Change
≤±20% of the initial value
Endurance
Shelf Life
D.F. (tanδ)
≤200% of the initial specified value
≤The initial specified value
Leakage Current
The following specifications shall be satisfied when the capacitors are restored to 20°C after exposing them for 1,000
hours at 105°C without voltage applied.
Capacitance Change
≤±20% of the initial value
D.F. (tanδ)
≤200% of the initial specified value
≤200% of the initial specified value
Leakage Current
DIMENSIONS[mm]
Sleeve(Black)
ØD
Ød
4
5
6.3
0.5
2.5
8
Ød
0.45
1.5
0.45
2.0
0.5
3.5
ØD'
F±0.5
F
ØD'
L'
ØD+0.5max.
L+2max.
L'
15min.
4min.
(Ø4~Ø8)
PART NUMBERING SYSTEM
E
L7 1H
M
3R3 C07 O- -
T
Sleeve Code: “C” for PVC, “T” for PET
Terminal code
Size code
Capacitance code
Capacitance tolerance code
Voltage code
Series code
Category code
RATED RIPPLE CURRENT MULTIPLIERS
Frequency correction factor for ripple current
Freq.(Hz)
50/60
0.80
120
1k
10k-100k
1.50
WV(Vdc)
6.3 to 16
1.00
1.30
25 to 35
≥50
0.80
0.80
1.00
1.00
1.20
1.15
1.20
1.20
The endurance of capacitors is shortened with internal heating produced by ripple current
at the rate of halving the lifetime with every 5 °C rise. When long life performance is required
in actual use, the rms ripple current has to be reduced.
88