1200MMT5_T8 Led Tube Light

Why is Aluminium used in circuits?

This is because the Aluminum base board is composed of three layers: copper foil, insulating layer and metal aluminum. Since there is an insulating layer, can the metal layer be made of other materials besides aluminum? Such as copper plate, stainless steel, iron plate, silicon steel plate, etc. What kind of material is used for the metal base printed board, in addition to the heat dissipation performance, but also the thermal expansion coefficient, thermal conductivity, strength, hardness, weight, surface condition and cost of the metal base printed board.
Under normal circumstances, considering the cost and technical performance, aluminum plate is an ideal choice. Available aluminum plates are 6061, 5052, 1060, etc. If there are higher thermal conductivity, mechanical properties, electrical properties and other special performance requirements, copper plates, stainless steel plates, iron plates and silicon steel plates can also be used.
Commonly used in Aluminum 2.0W LED board, there are front and back sides. The white side is for soldering the LED pins, and the other side is the color of aluminum. Generally, the thermal conductive paste is applied to contact with the thermal conductive part. Aluminum PCBA is mainly used in LED lamps and audio equipment, power supply equipment, etc. The main advantages are fast heat conduction and good heat dissipation performance.