THE GREAT MULLARD MAGIC BLOG — mullard tropical fish capacitors

CAN YOU TELL ME ABOUT MULLARD TROPICAL FISH CAPACITORS?

Posted by STEVE M on

CAN YOU TELL ME ABOUT MULLARD TROPICAL FISH CAPACITORS?

Again, I shall pause from my historical Mullard meanderings to answer a query I have received from a customer from Malaysia about the Mullard ‘Tropical Fish’ capacitors, so called due to their colourful body stripes which denote value – more on this later! These capacitors, introduced to the radio market in 1964 have a polyester dielectric which exhibits very low dielectric loss, high insulation resistance coupled with good temperature and moisture resistance, however, for physical integrity they are not perhaps as tough as the Mullard ‘Mustard’ capacitors.   All told though, they far exceed the efficiency of paper dielectric capacitors and...

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