Components | Thermal Management | TIM | Oct 04, 2017

Fischer Elektronik Introduces New Pasty Thermal Conductive Material

Fischer Elektronik GmbH & Co. KG extends their extensive product portfolio of contact materials especially for the application scenarios of the thermal contacting by a fluid gel thermal conductive material with its name GEL S 18.

To operate electronic semiconductors in a temperature range given by the manufacturer is essentially important for its functional reliability and lifetime. The thermotechnical contacting of the electronic component on the particular heat sink plays a decisive role for an efficient working thermal management. Thermal interface materials, so called TIM, equipped with various technical parameters provide excellent solutions in terms of thermotechnical contacting. The thermal total resistance is composed by an addition of the single thermal transfer resistances along the thermal path which the heat flow has to overcome. The lower the figure of the thermal transfer resistance the better the thermal conduction and in sum the thermal total resistance.

Fischer Elektronik's new thermal conductive material GEL S 18 is a pasty, gel-like and fully hardening thermal conductive material in a two-component system. GEL S 18 is well-suited for a compensation respectively filling of small or big empty spaces in electronic devices such as the mounting of PCBs on heatsinks.

The viscoelastic paste has a very good construction flexibility connected with excellent adhesive properties. This allows an easy handling as well as a secure mounting of the components to be contacted. Furthermore the material characterises itself by a very good thermal conductivity with a low thermal impedance as well as a wide range of operating temperatures.

GEL S 18 is easy, also fully automatic, dispensable and can be deformed effortless already with lower compressive force whereby the load on the electronic components is reduced significantly which otherwise would lead to early functional failures of the device or to damages of the PCB.

The material is listed with UL 94 V-0 and durable six months at a storage temperature of 25°C. The pot life at room temperature is 60 minutes with the associated hardening time of 300 minutes at room temperature and 10 minutes at 100°C. The article GEL S 18 is supplied in a 50 cc double chamber cartridge with three additional static mixing tube as a standard. Optionally an applicator gun for this kind of cartridge is available.

The product specialists at Fischer Elektronik - - will be happy to assist you with any queries you may have or any additional information you require.

About Fischer Elektronik:

Fischer Elektronik is a leading producer of thermal management solutions for the whole electronic industry. High Power LED applications are our latest field of activities with all our almost 40 years of experience in the background. On the edge of this new technology, we can give support right from the start with the knowledge of our application engineers and as well as with our sophisticated 3D simulation and drawing programmes. Our core capabilities: - all articles in standard or customs design versions available - own surface treatment facilities - wide standard programme (more than 700 profiles) of extruded heatsinks - machining according to customers request - heatsinks for LED, cooling aggregates and thermally conductive foils. We also have a large selection of connectors for PC boards that is complemented by a diverse range of casings with functional designs. In addition to standard catalogue items, we also provide customer-specific solutions in all areas.


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