A POWER CHOKE COIL WITH AN INDUCTANCE OF 3MH TO 3.6 MH AT 1 KHZ 0.0A DC BIAS. INDUCTANCE BALANCE TO BE WITHIN 5 PERCENT WINDIND TO WINDING.COMPRISING COPPER WIRE WOUND AROUND FERRITE CORE FOR USE AS AN INDUCTOR IN POWER SUPPLIES. IT IS USED FOR THE PREVENTION OF EMI/EMC EMISSIONS IN POWER SUPPLIES TO ENSURE GOOD SIGNAL TRANSMISSION OF DATA BETWEEN CONTROL UNITS AND USER INTERFACES.

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6 OF THE COMBINED NOMENCLATURE. CN 85045020 FOR OTHER INDUCTORS OF A KIND USED WITH TELECOMMUNICATION APPARATUS AND FOR POWER SUPPLIES FOR AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF. HSENS NOTE1 ALSO COVERS INDUCTION COILS.