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:
