WLFT 404 37 X 37

The Fischer Elektronik WLFT 404 37 x 37 is a thermally conductive, electrically insulating adhesive foil designed to securely bond electronic components to heatsinks while promoting efficient heat transfer. Constructed from a polyimide (Kapton® MT) carrier with double-sided pressure-sensitive acrylate adhesive, it provides a reliable alternative to mechanical fasteners in thermal management applications. The pre-cut 37mm x 37mm format simplifies installation and is suitable for power semiconductors, LED modules, power supplies, and industrial electronic equipment. Featuring a thermal conductivity of 0.4W/mK, dielectric strength of 5kV AC, and an operating temperature range of-30°C to +125°C, the WLFT 404 offers dependable performance in demanding environments.

• Thermally conductive foil with double-sided pressure-sensitive adhesive for secure component mounting
• Pre-cut 37mm x 37mm format enables fast, accurate, and repeatable installation
• 0.4W/mK thermal conductivity supports efficient heat transfer between components and heatsinks
• Polyimide (Kapton MT) carrier material provides effective electrical insulation and long-term durability
• 5kV AC dielectric strength helps maintain electrical isolation between mounted surfaces.
• Thin 0.127mm construction is ideal for compact electronic and thermal management designs
• Operating temperature range of-30°C to +125°C supports use in a wide variety of applications
• UL 94 V-0 flammability rating enhances safety in electronic equipment
• Eliminates the need for mechanical fasteners while maintaining thermal performance and electrical insulation

Applications

Thermal Management, Industrial