LARGE CAPACITANCE ALUMINUM ELECTROLYTIC CAPACITORS
series
LK
Standard series for general purpose
Endurance: 2,000 hours at 85°C
RoHS Compliant
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SPECIFICATIONS
Items
Characteristics
-40~+85°C
-25~ +85°C
Category Temperature Range
Rated Voltage Range
10~100V.DC
160~500V.DC
±20% (M)
I≤3 CV
Capacitance Tolerance
Leakage Current
(at 20°C, 120Hz)
(at 20 °C after 5 minutes)
Where, I: Max.leakage current (μA), C: Nominal capacitance (μF), V: Rated voltage (V)
Rated Voltage (Vdc)
tanδ (max.)
10
16 25 35 50 63 80
100
160 to 400
0.15
420 to 500
0.15
Dissipation Factor (tanδ)
(at 20°C, 120Hz)
0.55 0.50 0.45 0.40 0.35 0.30 0.25 0.20
Rated Voltage (Vdc)
10
4
16 25 35 50 63 80
100
2
160 to 400
420 to 500
Low Temperature
Characteristics
(Max. Impedance Ratio)
Z(-25°C)/Z(+20°C)
Z(-40°C)/Z(+20°C)
4
3
3
8
2
6
2
6
2
5
4
-
8
-
15
15 10
5
(at 120Hz)
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 2,000 hours at 85°C.
Endurance
Shelf Life
Capacitance Change
D.F. (tanδ)
≤±20% of the initial value
≤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
85°C without voltage applied.
Capacitance Change
D.F. (tanδ)
≤±20% of the initial value
≤150% of the initial specified value
≤200% of the initial specified value
Leakage Current
DIMENSIONS [mm]
Terminal Code : K (Φ22 to Φ35) : Standard
Terminal Code: P (Ф40 to Ф45)
Sleeve(PET)
Bottom plate
4-Ø2.0±0.1
Ø22.5±0.1
L+2Max
ØF
ØD+1 Max
4.5±1
Safety vent
(PC board Mounting Holes)
(Component Side)
PART NUMBERING SYSTEM
E
LK 2W
M
151 O40
K
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)
Rated
voltage(Vdc)
120
1k
10k
100k
10~50
1.00
1.00
1.00
1.00
1.03
1.07
1.32
1.30
1.05
1.13
1.45
1.41
1.08
1.19
1.50
1.43
63~100
160~250
315~500
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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