A wound tesla coil secondary suitable for a small electronic tesla coil either SSTC, DRSSTC or slayer exciter style coils.
90mm winding length (5mm clear at each end)
670T of 0.125 mm diameter copper enamelled wire.
Sealed with a thin layer of acrylic varnish to prevent turn movement.
Plain enamelled wire ends terminated via 0.5mm holes top and bottom.
Approximate inductance 500uH