Film capacitors offer self-healing, stability, and high reliability, with performance shaped by dielectric type and construction method.
The self-healing characteristics of film capacitors
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New JSN Series manufactured by Kemet
Kemet’s JSN Series stacked polymer capacitors offer high reliability, low ESR, and wide voltage ranges for demanding applications.
Film capacitor technologies and applications
Film capacitor technologies cover AC/DC applications, including power transmission and renewable energy, with insights into dielectric materials like polypropylene and PET.
Polystyrene (PS), Polyphenylene Sulfide (PPS), Teflon (PTFE) and Polysulfone (PSU) film capacitors
Polystyrene capacitors, valued for low losses, are being replaced by PPS, which offers higher temperature resistance, especially in SMD designs.
Polycarbonate (PC) capacitors / KC and MKC
Polycarbonate PC capacitors, once dominant in precision applications, are now being replaced by polypropylene due to manufacturing decline.
Polypropylene PP / KP and MKP capacitors
Polypropylene (PP) capacitors provide low dielectric losses and temperature stability, making them ideal for AC, pulse, and interference suppression applications.
Polyester PET and Polyethylene Naphtalate PEN capacitors
The article covers the differences between polyester PET and PEN capacitors, temperature resilience, and best practices for preventing shrinking during soldering in SMD designs.
Evolution and applications of paper capacitors
Paper capacitors use impregnated paper dielectrics to prevent corona effects, evolving with plastic films for improved performance in power and RFI applications.
Film and foil organic dielectric capacitors
Film and foil capacitors use plastic dielectrics like polyester and polypropylene, offering self-healing and stability for power and safety applications.
Failure mechanism of metallized film capacitors under DC field superimposed AC harmonic
This article investigates the failure mechanisms of metallized film capacitors (MFCs) when subjected to DC fields with superimposed AC harmonics.