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2022-03-14 281
Aluminum Printed Circuit Board
Aluminum PCB consists of a dielectric metal base with a bonded copper circuit layer to create superior heat transfer to help cool components while eliminating problems associated with managing fragile ceramics.

Omni pcb works to be the best aluminum PCB manufacturer when it comes to exceeding all customer expectations. We provide a wide range of electrical and thermally conductive interface pads, thermally conductive gap fillers, thermal phase change materials and thermally conductive electrically insulating materials, as well as specialized equipment for high volume manufacturing.

Aluminum-backed PCBs can consistently increase durability and long-term reliability of a final product through temperature control and associated reductions in failure rates. Aluminum designs also deliver better mechanical stability and lower thermal expansion levels than other available materials.
Aluminum PCB Layers
Circuit Layer: Printed circuit foil with thickness of 1oz to 5 oz. Dielectric Layer: The dielectric layer can have many different options which offer electrical isolation with minimum thermal resistance. Also used to bond the circuit layer and base material together. Each specific dielectric has its own UL recognition. See below for a listing of the different materials that we have in stock to ensure a wide variety of options with quick delivery. Base Layer: The base layer is most often aluminum but can also be copper. The most commonly used thickness is 0.040″ (1.0mm) although many alternative thicknesses are available.
Aluminum PCB Applications
You can improve the durability and performance of your product by using aluminum boards. Simple designs and low thermal impedance of the dielectric out performs all other printed circuit board insulators for power and high-operating temperature components. The relatively low cost versus copper and the ability to have a lightweight material with excellent durability are the biggest reasons aluminum is used for these applications.
Power Conversion
Aluminum clad offers a variety of thermal performances, is compatible with mechanical fasteners, and is highly reliable.
LED Circuit Boards
Using aluminum with your LEB PCB ensures the lowest possible operating temperatures and maximum brightness, color, and life. With many low-cost options for dielectric materials and specific manufacturing equipment dedicated to single sided production of LED lighting products, we can give our customers the best overall solution.
Motor Drives
Thermal clad dielectric choices provide the electrical isolation needed to meet operating parameters and safety agency test requirements.
Solid State Relays
Aluminum offers a very thermally efficient and mechanically robust substrate to drive heat away from the critical system components.
Automotive
The automotive industry uses aluminum boards, as they need long term reliability under high operating temperatures coupled with their requirement of effective space utilization. Most commonly used in automotive lighting system components.
Consumer Products
Most commonly found in street lighting, traffic control lighting, interior building lights, landscape lighting, and camping gear as aluminum PCBs are lightweight and can be very small in size.
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