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Figure 4 illustrates the effectiveness of PGS in lowering temperatures at hot spots. It shows the temperatures on the ABS layer (acrylonitrile butadiene styrene) where the IC's contact with the surface is buffered by a silicone thermal pad (type A / type B), as well as in cases where a large (type A-1 / type B-1) or small (type A-2 / type B-2) PGS with a thickness of 70µm is positioned between the silicone layer and PCB. Figure 4 clearly shows that even if just a small sheet is used, the PGS reduces the temperature at the hot spot considerably—even when no silicone thermal pad is used (thereby creating an air gap). PGS also provides a limited level of shielding from electromagnetic interference, allowing it to also be used as a solution for EMC in many applications. This stable material is not sensitive to environmental influences and does not show any signs of aging.
By Nnamdi Anyadike | 16-01-2020
Figure 5 (Source: Assmann WSW): Pin-fin heatsinks satisfy the requirements of low weight, high efficiency and ease of installation.
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Figure 7 (Source: 3M): Thermally conductive pads from 3M compensate for unevenness, thereby eliminating air pockets.
Effective heat management is a must for practically any electronic device or application. Numerous solutions are available that meet the requirements of today's innovative applications. By Roland Hofmann, Product Manager for Thermal Management at Rutronik.
Figure 2 (Source: Panasonic): If the PGS is applied between the hotspot and heatsink, it will dissipate the heat both horizontally and vertically.
By Paul Whytock | 26-05-2016
03-06-2016 | | By Roland Hofmann
Heatsinks in Many Forms
Information
Rutronik
As this article has discussed, there is no single answer to the question of what the best strategy is for heat dissipation, because there are numerous factors that influence the choice. But one thing is certain in all cases—the earlier that heat management is considered in the development cycle, the greater the range of options and the easier it is to implement them. Rutronik supports its customers in every phase of development with extensive advice provided by application engineers and product managers. You can make use of a broad range of solutions from leading suppliers with whom Rutronik is in close partnership.
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OEMSNAVI is an online e-commerce platform belongs to PNEDA Technology Co., Ltd (Hong Kong). United with global components distributors and in-stocked inventory suppliers, we are committed to providing convenient purchase experiences and high quality services. OEMSNAVI has offices in both Hong Kong and Shenzhen, We are a professional agent of electronic components distributor with many years of industry experience, especially in the passive component area.
Passive Components construct the base of the modern industry. We are proud to supply all kinds of the passive components such as a full range of Capacitors, Crystals, Oscillators, Resonators, Filters, Inductors, Coils, Chokes, Potentiometers and Resistors with the famous brands such as AD, AVX, Cypress, Infineon, KEMET, Littelfuse, Murata, Panasonic, Samsung, TDK, Toshiba, Yageo and more other brands.