ER2806 for choke coil,ferrite choke coil,high current choke coil,helmholtz coil 1.features: ER2806 for choke coil,ferrite choke coil,high current choke coil,helmholtz coil 2.advantage:1 ... -Dc, Ac-Ac2, Used in all circuits types: single-terminal backward start,single-terminal forward start,push-pull.3,Applied in home ...