Electronic device for discharge lamp such as street lamps has inner cavity filled with sand to dissipate heat from electronic components

摘要

The electronic device (1) contains at least one electronic circuit (2) with at least one induction coil (22, 23) and/or a capacitor (24) located inside a protective housing (5) that has its inner cavity filled with pure silica sand with a grain size under 1 mm, preferably about 300 micro m. An Independent claim is also included for a method of manufacturing the electronic device.