Current-Compensated-Choke-Coil-Kits-White-Label-EF42-1-p-This-220n H-1-chamber-high-quality-choke-coil-kit-is-ideal-for-a-wide-range-of-applications-such-as-resonant-circuit-coils-inductors-transformers-&-electronic-ballasts-in-power-supply-&-lighting-circuits-The-ferrite-core-halves-fit-together-congruently-&-are-bonded-with-a-two-component-adhesive-The-A-sub-L-sub-value-can-be-reduced-by-inserts-placed-between-the-core-halves-p-White-Label-EF42-1-Choke-Coil-Kit-220n H