Coils are wound on phenolic forms, employing solenoid type winding, single layer. Coil form sizes are shown in chart below and leads are No. 20 AWG 1-1/2" long. Leads on the larger forms (208 through 220) are reinforced at the form tp prevent breaking the coil wire if, in assembly, a sharp bend is made in the lead. These coils are impregnated with thermosetting varnish. The following values are available for delivery from stock.