Dowsil 340 – Heat Sink Compound

Dowsil 340 is a one-component silicone paste, white, non-flowing, highly filled compound, good thermal conductivity, similar to grease, used for the thermal coupling of electrical components to heat sinks.

Properties

• Thermally conductive compound
• 1 part
• Non flowing
• No need for ovens or curing
• Increases reliability with heat flow away from circuitry components
• Color: White
• Shelf Life: 1800 Days
• Specific Gravity @ 25°C 2.1
• Thermal Conductivity 0.67 W/m・K
• Viscosity 542000 mPa.s

Applications

• Designed to provide a durable thermal bridge between power elements and heat sinks.
• Used in many industries like:Aerospace, Aviation, Batteries, Starting and Charging, Battery Pack, Boards and Assemblies, Components, Connectors, Wiring Harness
• Typical applications include; thermally conductive connections between transistors, thyristors, and heat sinks.
• It is applied to the base of the heatsinks of transistors, diodes and rectifiers.
• It can also serve as an effective adapter for many heat sinks where effective cooling is required.