Why is Aluminium used in circuits| YMS
The aluminum substrate is a low-alloyed Al-Mg-Si series high-plasticity alloy plate, which has good thermal conductivity, electrical insulation properties, and machining performance. Compared with the FR-4, the aluminum substrate uses the same thickness and the same line width. Aluminum can actually transfer heat away from vital components. The aluminum substrate can carry a higher current. The aluminum substrate can withstand up to 4500V and the thermal conductivity is greater than 2.0. the Lord.
the advantages of an aluminum substrate:
1. Use surface mount technology (SMT);
2. Extremely effective treatment of thermal diffusion in circuit design schemes;
3. Reduce product operating temperature, increase product power density and reliability, and extend product service life;
4. Reduce product size, reduce hardware and assembly costs;
5. Replace fragile ceramic substrates to obtain better mechanical durability.
aluminum substrate use: power hybrid IC (HIC).
1. Audio equipment
Input, output amplifier, balanced amplifier, audio amplifier, preamplifier, power amplifier, etc.
2. Power equipment
Switching regulator, DC / AC converter, SW regulator, etc.
3. Communication electronic equipment
The high-frequency amplifier `filtering electrical device` reports the circuit.
4. Office automation equipment
Motor drivers, etc.
5.Car
Electronic regulator, ignitor, power controller and so on.
6.Computer
CPU board, floppy disk drive, power supply unit, etc.
7. power module
Converter, solid relay, rectifier bridge, etc.
8. Lighting
With the promotion and promotion of energy-saving lamps, various energy-saving gorgeous LED lamps have been welcomed by the market, and aluminum substrates used in LED lamps have begun to be applied on a large scale.
Types of aluminum substrates
Aluminum substrates can be divided into tin-sprayed aluminum substrates, alumina-resistant substrates, silver-plated aluminum substrates, immersion gold aluminum substrates, etc. according to the process; they can be divided into streetlight aluminum substrates, fluorescent aluminum substrates, LB aluminum substrates, and COB aluminum substrates, Packaging aluminum substrate, bulb lamp aluminum substrate, power aluminum substrate, automotive aluminum substrate, etc.
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