The B65647 series Transformer Coil Former made of black GFR polyterephthalate. Solderability to IEC 60068-2-20, test Ta, method 1 (aging 3) of 235°C and 2 seconds. Resistance to soldering heat to IEC 60068-2-20, test Tb, method 1B of 350°C and 3.5 seconds.
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