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涤纶介质

Basic Molecule

Typical Graphs

 

Capacitance change versus temperature

(f = 1 kHz) ( general guide)

  Insulation resistance change versus temperature (general guide)

 

Max. working temperature: +125°C

Film thickness: > 0.7 μm

Production process: extruded, biaxially stretched

  Dissipation factor change versus frequency
(general guide)
 
 
Manufacturing Process for Polyester Film
 
- Extrusion
- Bi-axial stretching
- Crystallisation
tangled felted stretched crystallised (cross-linked, knotted)
   

Fields of Applications for Polyester Capacitors

 

Decoupling
Coupling
Blocking


Properties

 

Advantageous price/performance ratio
Advantageous capacitance/volume ratio
Substitution of low quality electrolytic and tantal capacitors

 
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