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| Content | A subsidiary of TT electronics plc Test Report-AnothermTM vs IMS Substrate in Power LEDApplications Purpose: To evaluate the differences in thermal conductivity between AnothermTM and IMS substrate when used with a high brightness (Lumiled style) Light Emitting Diode. Thermal Conductivity is an important parameter as the characteristics of modern LEDs are such that higher operating temperatures result in less light output and a shift in the wavelength of light produced (wavelength increases as temperature rises). Materials: For this evaluation, Lumileds high brightness white LEDs were used. These LEDs were mounted onto a suitable thermally conductive substrate to be evaluated (Anotherm and IMS type). Each thermal substrate was similar in size and bolted to an “infinite heatsink” consisting of a large finned heatsink with air blowing across it. Photos of the test units attached to the heatsink are shown below : International Resistive Company Advanced Film Division 4222 South Staples Street Corpus Christi, Texas 78411, USA Telephone: +1(361)992-7900 Facsimile: +1(361)992-3377 Email: morrist@irctt.com Website: www.irctt.com Fig. 1: Anotherm Test Board |
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| Following Datasheets | Thermal_Mgmnt_Products-1 (20 pages) thermal_overload_relays (8 pages) Thermal_Products_Brochure (4 pages) Thermax_ISO_cert (1 pages) thermele (6 pages) thermistoraging (4 pages) thermistorcurves (4 pages) thermistordissipation (4 pages) thermistorsoperatingtemp (4 pages) thermistorsthermaltimeconstant (4 pages) |
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