The B66414B6008T1 is a Transformer Bobbin with GFR liquid crystal polymer. The bobbin with 10s permissible soldering temperature for wire-wrap connection on surface-mount coil former with J-terminals. The magnetic properties of NiZn materials can change irreversible in high magnetic fields. Resistance to soldering heat and solderability to IEC 60068-2-58 standards.
Preferred assembly direction from the top mounting