Pilkor components

Metallized Polyester

PCMT 468

film capacitors

92

THE GRAPHS OF CHARACTERISTICS

∆ C/C

(%)

2

1

0

-1

-2

-3

Capacitance change at 1kHz as a function of frequency temperature

10

2

10

3

10

4

10

5

f(Hz)

10

4

f(Hz)

10

5

10

6

10

3

10

-2

Impedance

(Ω)

10

-1

10

3

10

7

10

0

10

1

10

2

Impedance as a function of frequency: typical curve

400V; 390nF

5

4 3

2 1

C≤ 0.33㎌(curve 1)

0.33㎌＜C≤ 1.2 ㎌(curve 2)

1.2 ㎌＜C≤ 3.9 ㎌(curve 3)

3.9 ㎌＜C≤ 6.8 ㎌(curve 4)

C≥ 6.8 ㎌(curve 5)

10

3

f(Hz)

10

4

10

5

10

2

10

1

Dissipation

Factor

(×10

10

3

10

2

Tangent of loss angle as a function of frequency: typical curve

factor

0.2

-60

60

-20

20

100

Tamb(C)

-40

0

40

80

0

0.4

0.6

0.8

1.0

1.2

Multiplying factor for DC and AC voltage as a function of temperature

Capacitance as a function of ambient free air temperature,

measured at 1kHz, 1V

∆C/C

(%)

0

-6

4

2

-2

-4

6

-60

60

-20

20

100

Tamb(

°C)

max.

typical

min.

400V-600V

250V

100V

RC product as a function of ambient free air temperature: typical curve

Tamb(℃)

-60

10

2

10

5

10

3

10

4

-40

-20

0

20

40

60

80

100

RC

(s)