Typical Characteristics and Graphs
of the Polyester (PET) Film
Polyester
Film and Foil Types
Metallized
Polyester Types
Typical Applications
For
general DC-applications e.g. By-pass Blocking Coupling and decoupling Timing
Film
Properties
Dielectric constant at 1kHz and +23°C:
3.3 positive as temperature rise
Specific volume resistance in cm at +23°C:
1018
Dielectric strength (DC voltage) in V/µm at +23°C:
580 Preferred temperature range in °C:
-55 to +100 Dielectric absorption in % at +23°C:
0.20 to 0.25
Capacitance change versus temperature
(f=1 kHz) (general guide)
Capacitance change versus frequency
(general guide)
Dissipation factor change versus temperature
(f=1 kHz) (general guide)
Annotation:
The full lines characterize the metallized
versions.
The broken lines show the film/foil types.
Dissipation factor change versus frequency
(general guide)
Insulation resistance change versus temperature
(general guide)
By-pass
cm at +23°C:
