THERM-A-GAP™ GEL 50VT Reliability Report (TR 57988)
■THERM-A-GAP™ GEL 50VT is a high performance, one-component, silicone, dispensable thermal interface gel material with 5.2 W/m-K thermal conductivity. It was developed to conduct heat from electronics to heat sinks or enclosures and perform reliably in vertical, high vibration, and harsh environments. 50VT is meant to support mission critical applications that rely on consistent thermal performance over the course of hundreds or thousands of cycles and many years of continuous operation. THERM-A-GAP™ GEL 50VT requires no mixing or curing and is designed for easy application and rework. It can be dispensed at various bond line thicknesses to take up gaps created by assembly or manufacturing tolerances. This document outlines the examination of the thermal reliability of this high-performance gap filler after being subjected to long-term environmental aging under dry heat, heat & humidity conditions, and temperature cycling from -40°C to 125°C.
■The thermal performance of THERM-A-GAP™ GEL 50VT was examined after being subjected to multiple environmental stress tests.
■The thermal impedance of the aged samples did not experience a significant increase after any of the treatments studied. After 1000-hour dwell at 125°C, 1000 hours at 85°C/85% relative humidity, and 1000 temperature cycles from -40°C to 125°C, there was no statistically significant increase in impedance according to one-way ANOVA with the Tukey method for multiple comparisons. The mean value for thermal impedance decreased slightly for each aging treatment, indicating an improvement in thermal performance. This improvement can likely be attributed to enhanced wetting at the interface between the gel and the reliability fixture.
■Based on these results, THERM-A-GAP™ GEL 50VT demonstrates the ability to withstand long- term aging without a reduction in thermal performance.
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high performance, one-component, silicone, dispensable thermal interface gel material 、 high-performance gap filler 、 high-performance thermal gel |
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Test Report |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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May 2023 |
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TR 57988 |
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951 KB |
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