Capacitors for Electronic Equipment

Typical Characteristics and Graphs of the
Polyphenylene-Sulphide (PPS) Film
D
Metallized Polyphenylene-Sulphide Type
SMD-PPS
Typical Applications
For general applications in high
frequency and high temperature
circuits e.g.
˜ By-pass
˜ Blocking
˜ Coupling and decoupling
˜ Timing
˜ Filtering
˜ Oscillating circuits
˜ TV and monitor sets
˜ Lighting
˜ Automotive electronics
Film Properties
Dielectric constant
at 1 kHz and +23° C:
3.0 very constant versus temperature
Specific volume resistance
in ¸ cm at +23° C:
5 x 10 17
Dielectric strength (DC voltage)
in V/mm at +23° C:
470
Preferred temperature range
in ° C:
-55 to +140
Dielectric absorption
in % at + 23° C:
0.05 to 0.10
Typical Graphs
C/C (%)
6
4
2
0
-2
-4
-6
-55 -40 -20 0 20 40 60 80 100 125
T(° C)
Capacitance change versus temperature
(f =1 kHz) (general guide)
20
18
16
14
12
10
8
6
4
2
tan (x 10 -3)
0
-55 -40 -20 0 20 40 60 80 100 125
T(° C)
Dissipation factor change versus
temperature (f =1 kHz) (general guide)
M
x µF(s)
106
105
Dissipation factor change versus frequency.
Example: SMD-PPS, 0.1 mF/63 VDC
(general guide)
ESR/Ohm
10 3
10 2
10 1
1
10 -1
10 -2
0,01
0,1
10 -3
102 103 104 105 106
f/Hz
ESR change versus frequency
(general guide)
104
103
-55 -40 -20 0 20 40 60 80 100 125
T(° C)
Insulation resistance change versus
temperature (general guide)
11.12