Datasheet > EWK1KM331K30OT^

EWK1KM331K30OT^

更新时间： 2024-11-07 17:13:11

品牌	Logo	应用领域
艾华 - AISHI		/
页数	文件大小	规格书
3页	1175K
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Electrolytic Radial

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EWK1KM331K30OT^ 数据手册

MINIATURE ALUMINUM ELECTROLYTIC CAPACITORS

series

Standard series for general purpose

Endurance : +85 °C 2,000 hours

RoHS Compliant

WK 8 5 C

1808

SPECIFICATIONS

Items

Characteristics

-25~+85°C(160 to 450 Vdc)

Category Temperature Range

Rated Voltage Range

-40~+85°C(6.3 to 100 Vdc)

6.3~450 Vdc

±20%(M)

Capacitance Tolerance

(at 20°C,120Hz)

6.3~100 Vdc

160~450 Vdc

I≤0.03CV+10μA

Where, I: Max.leakage current (μA),C:Nominal capacitance (μF),

V: Rated voltage (V)

Leakage Current

I≤0.01CV or 3μA,

whichever is greater.

(at 20°C after 2 minutes)

Rated Voltage(Vdc)

tanδ (max.)

6.3

63 100 160 200 250 350 400 450

Dissipation Factor (tanδ)

0.24 0.20 0.16 0.14 0.12 0.10 0.09 0.08 0.20 0.20 0.20 0.24 0.24 0.24

When nominal capacitance exceeds 1,000μF , add 0.02 to the value above for each 1,000μF increase.

(at 20°C,120Hz)

Low Temperature

Characteristics

(Max. Impedance Ratio)

6.3

63 100 160 200 250 350 400 450

Rated Voltage(Vdc)

Z(-25°C)/Z(+20°C)

Z(-40°C)/Z(+20°C)

(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.

Capacitance Change

D.F. (tanδ)

≤±20% of the initial value

Endurance

Shelf Life

≤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

≤200% of the initial specified value

Leakage Current

DIMENSIONS[mm]

Sleeve(Black)

ØD

Ød

6.3

0.5

2.5

10 12.5

0.8

7.5

0.8

7.5

Ød

0.5

2.0

0.5

0.6

5.0

0.6

5.0

ØD'

F±0.5

ØD'

3.5

ØD+0.5max.

L+2max.

15min.

4min.

(Ø5~Ø18)

PART NUMBERING SYSTEM

WK 2G

3R3 G12 O- -

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)

Cap.(μF)

120

300

10k

100k

2.50

0.65

1.00

1.35

1.75

2.30

Cap.<10

10≤Cap.<100

100≤Cap.≤1000

Cap.>1000

0.75

0.80

0.85

1.00

1.25

1.15

1.03

1.50

1.30

1.05

1.75

1.40

1.08

1.80

1.50

1.08

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.

12 3

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