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XeroX schrieb:ich hab jetzt die wima fkp-2 bestellt.
Polystyrene Film: The Holy Grail of Film Capacitors, polystyrene has the most desirable electrical characteristics. With
temperature coefficients as low as 30-40ppm (special) and typically less than 120ppm (standard), they have excellent
linearity of temperature coefficient over the entire temperature range most equipment ever sees on this planet. Dielectric
Absorption (.02%) is the lowest found in any capacitor variety. This makes the polystyrene cap the first choice for all critical timing circuits, such as VCO and VCF timings, and for all Sample / Hold circuits. Polystyrene caps cannot tolerate high temperatures (85 degrees Celsius max.), so they are not available in the metallized variety. Careless soldering can destroy them easily, and they are often poorly suited to automated production equipment.
There is a persistent rumor that the only manufacturer in the world that made capacitor grade polystyrene film has ceased production. There is still stock in most values on the market, but people are well advised to save a few for top of the line circuits. There are some new
polycarbonate caps which will approach the performance of polystyrene.
Weisst Du oder jemand hier, warum man mit dem keyword Styroflex (oder Polystyren[e]) bei den meisten Elektronik-Versendern nichts findet? Einzige bei Reichelt gibts Styroflex-Kondensatoren aber die anderen Versender meines Vertrauens (digikey, buerklin,...) hab da nix. Falscher Suchbegriff?Ilanode schrieb:Harry Bissell schrieb:...There is a persistent rumor that the only manufacturer in the world that made capacitor grade polystyrene film has ceased production. There is still stock in most values on the market, but people are well advised to save a few for top of the line circuits. There are some new
polycarbonate caps which will approach the performance of polystyrene.
Wenn ich es richtig verstehe, ist grundsätzlich die BASF der Hersteller und da auf deren Webseite gibts jede Menge Seiten für unterschiedlichste Styroflex-Folien...Ilanode schrieb:Andere Begriffe für Styroflex/Polystyrene kenne ich auch nicht. Ich fürchte, dass das von Harry B. genannte Gerücht wahr ist, dass die Produktion eingestellt wurde
Ilanode schrieb:Als Ersatz für die Styroflex? Würde ich nicht machen.
Ilanode schrieb:Harry R. Bissell Jr. über Styroflex oder Polystyrene:
There is a persistent rumor that the only manufacturer in the world that made capacitor grade polystyrene film has ceased production. There is still stock in most values on the market, but people are well advised to save a few for top of the line circuits. There are some new
polycarbonate caps which will approach the performance of polystyrene.
http://musicsynthesizer.com/txt/caps2.txt
florian_anwander schrieb:Naja, ich werd mal ein bisschen Vorratseinkauf bei Reichelt machen...