196 HVC ENYCAP™

www.vishay.com

Vishay BCcomponents

Revision: 13-Jan-17

9

Document Number: 28409

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

MEASURING OF CHARACTERISTICS

CAPACITANCE (C)

Capacitance shall be measured by constant current

discharge method.

Fig. 15 - Voltage Diagram for Capacitance Measurement

Table 4

Note

Fig. 16 - Test Circuit for Capacitance Measurement

Leakage current shall be measured after 30 min application

Fig. 18 - Test Circuit for Leakage Current

DISCHARGE CURRENT AS A FUNCTION OF



RATED CAPACITANCE

PARAMETER

VALUE

UNIT

4

154590

F

4

154590

mA

Rated capacitance, in F

Rated voltage, in V

Starting voltage, in V

Ending voltage, in V

U

3

Voltage drop at internal resistance, in V

reached, in s

reached, in s

Discharge current, in A

CAPACITANCE

C (F)

4

0.004

1.4

1.3

0.7

5

> 600

4

0.004

2.8

2.7

1.9

5

> 600

4

0.004

4.2

4.0

3.1

5

> 600

4

0.004

5.6

5.4

4.4

5

> 600

4

0.004

7.0

6.7

5.6

5

> 600

4

0.004

8.4

8.1

6.9

5

> 600

15

0.015

1.4

1.3

0.7

5

> 600

15

0.015

2.8

2.7

1.9

5

> 600

15

0.015

4.2

4.0

3.1

5

> 600

15

0.015

5.6

5.4

4.4

5

> 600

15

0.015

7.0

6.7

5.6

5

> 600

U

R

U

1

U

2

t

1

t

2

ΔU

3

(s)

30 min

C



I

 x t

 - t





U

 - U



----------------------------------------------------------

=

15

0.015

8.4

8.1

6.9

5

> 600

45

0.045

2.8

2.7

1.9

5

> 600

45

0.045

4.2

4.0

3.1

5

> 600

45

0.045

5.6

5.4

4.4

5

> 600

90

0.090

1.4

1.3

0.7

5

> 600

90

0.090

2.8

2.7

1.9

5

> 600

90

0.090

4.2

4.0

3.1

5

> 600

90

0.090

5.6

5.4

4.4

5

> 600

90

0.090

7.0

6.7

5.6

5

> 600

90

0.090

8.4

8.1

6.9

5

> 600

CAPACITANCE

C (F)

A

V

C

Constant

current

discharger

+

R



U



10

-3

----------------

=

V

A

1 mA

C

1 kHz

+

I



U



10

-4

----------------

=

V

R

S

100

Ω

C

+

+