MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS
series
HF
Long life, high ripple current; For power supply applications
Endurance: +105°C 5,000~10,000 hours
RoHS Compliant
1808
SPECIFICATIONS
Items
Characteristics
Category Temperature Range
Rated Voltage Range
-40~+105°C(160~400Vdc)
-25~+105°C(450Vdc)
160~450 Vdc
±20%(M)
Capacitance Tolerance
(at 20°C,120Hz)
Where,I:Max.leakage current (μA),
After 1 minute
After 5 minutes
l≤0.03CV+15μA
l≤0.02CV+25μA
C:Nominal capacitance (μF),
V: Rated voltage (V)
Leakage Current
CV≤1000
l≤0.1CV+40μA
l≤0.04CV+100μA
(at 20°C)
CV>1000
Rated Voltage(Vdc)
tanδ (max.)
160 200 250 350 400 450
0.15 0.15 0.15 0.20 0.20 0.20
160 200 250 350 400 450
Dissipation Factor (tanδ)
(at 20°C,120Hz)
(at 120Hz)
Low Temperature
Characteristics
(Max. Impedance Ratio)
Rated Voltage(Vdc)
Z(-25°C)/Z(+20°C)
Z(-40°C)/Z(+20°C)
3
8
3
8
3
8
6
6
6
-
10
10
The following specifications shall be satisfied when the capacitors are restored to 20°C after DC voltage plus the rated
ripple current is applied for a specified period of time at 105°C.
Case Dia.(mm)
Load life (hours)
5,000
Capacitance Change
D.F. (tanδ)
≤±20% of the initial value
Endurance
Shelf Life
ØD≤8
ØD=10
ØD≥12.5
≤200% of the initial specified value
≤The initial specified value
8,000
Leakage Current
10,000
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
≤200% of the initial specified value
≤200% of the initial specified value
Leakage Current
DIMENSIONS[mm]
ØD
Ød
8
10
0.6
5.0
12.5
0.6
16
0.8
7.5
18
0.8
7.5
Sleeve(Brown)
0.5
0.6
Ød
F
ØD'
L'
3.5
5.0
ØD'
F±0.5
ØD+0.5max.
L+2max.
L'
15min.
4min.
(Ø8~Ø18)
PART NUMBERING SYSTEM
E
HF 2G
M
3R3 G12 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)
<100
≥100
1.0
1.0
1.75
1.67
2.25
2.05
2.50
2.25
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.
149