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https://www.thal-technologies.com/products/thermal-materials/phase-change-materials/phase-change-foil/_441_w_3477_3863_GB_1
Article numberP38-COB

Phase change foil

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The P38-COB Phase Change foil is a high-performance thermal phase change material (PCM) designed to meet the thermal reliability and price requirements of high-end thermal applications. The Series is inherently tacky, flexible and exceptionally easy-to-use. P38-COB is a clean alternative for thermal grease.

The P38-COB Series is available in four thicknesses: 0.076mm (P38-COB-076), 0.127mm (P38-COB-127), 0.2mm (P38-COB-200), 0.250mm (P38-COB-250) and 0.406mm (P38-COB-406).
Ordering example: P38-COB-076   P = Phase Change / 38 = 3.8W/mK / 076 = 0.076mm

At temperatures above its transition temperature of 50°C, the P38-COB Series begins to soften and flow, filling the microscopic irregularities of the components it comes into contact with. The result is an interface with minimal thermal contact resistance. Due to the gradual change in viscosity (softening), it minimizes migration (pump-out).

The P38-COB Series can be supplied as cut parts in strips and rolls with top tabbed liners for easy application. The top tabbed liner can be removed immediately or provide a protective cover during shipping, and can be removed at assembly. It can also be supplied in sheets and custom die-cut configurations; and meets all environmental requirements including RoHS.

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