Disassembly of the ferrite magnetic circuit. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Disassembly of the ferrite magnetic circuit. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Ham Radio Technologies

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For one of my designs, I decided to use the ferrite magnetic core of the TPI-4-3 transformer from the MP-3-3 module of the ZUSST-61 TV. I removed the coil with windings without problems, cutting it with a jigsaw. It was not possible to divide the glued magnetic circuit into two halves - all the methods I used led to the splitting of the brittle ferrite.

After many experiments, I found a simple solution to the problem. It turned out that it is enough to warm up the joints of the halves of the magnetic circuit for several minutes - and it falls apart from the effort of the hand.

If there are two joints in the magnetic circuit, you can warm them up with two soldering irons with a power of 40 or 80 watts. In other cases, you should try to boil the magnetic circuit in water or heat it in a gas stove oven.

Author: I. Epifanov, Beloretsk, Bashkiria

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