MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
series
SRS car assembly, high capacitance
BG
BG 105 C
1808
Low impedance, low temperature characteristics
Endurance: +105°C 5,000 hours
RoHS Compliant
SPECIFICATIONS
Items
Characteristics
-55~+105°C
Category Temperature Range
Rated Voltage Range
Capacitance Tolerance
25 and 35 Vdc
±20%(M)
(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.)
25
35
Dissipation Factor (tanδ)
0.20 0.16
When nominal capacitance exceeds 1,000μF, add 0.02 to the value above for each 1,000μF increase.
(at 20°C, 120Hz)
Rated Voltage (Vdc)
Z(-55°C)/Z(+20°C)
25
3
35
3
Low Temperature
Characteristics
(Max. Impedance Ratio)
The following specifications shall be satisfied when the capacitors are restored to 20°C after the rated voltage is applied
for 5,000 hours at 105°C.
Endurance
Capacitance Change
D.F. (tanδ)
≤±20% of the initial value
≤200% of the initial specified value
Leakage Current
≤The initial specified value
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
D.F. (tanδ)
≤±20% of the initial value
Shelf Life
≤200% of the initial specified value
≤200% of the initial specified value
Leakage Current
DIMENSIONS [mm]
Sleeve(Violet)
ØD 12.5 14.5
16
0.8
7.5
18
0.8
7.5
Ød
0.6
5.0
0.8
7.5
Ød
F
ØD'
F±0.5
ØD'
L'
ØD+0.5max.
L+2.0max.
L'
15min.
4min.
(Ø12.5~Ø18)
PART NUMBERING SYSTEM
E
BG 1E
M
422 L25 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)
120
1k
10k
100k
Cap.(μF)
Cap.<2100
0.60
0.75
0.85
0.87
0.90
0.95
0.95
0.95
0.98
1.00
1.00
1.00
2100≤Cap.<4000
Cap.≥4000
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.
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