Dow Corning 340 Silicone Heat Sink Compound
Guarantee Safe Checkout

Dow Corning 340 Silicone Heat Sink Compound
Dow Corning 340 Silicone Heat Sink Compound
The Dow Corning 340 Silicone Heat Sink Compound is a trusted thermal interface material designed to provide reliable heat transfer between electronic components and their heat sinks. Engineered with high-purity silicone and thermally conductive fillers, it helps prevent overheating by ensuring efficient dissipation of excess heat. This compound plays a vital role in maintaining consistent performance, extending the life of sensitive power devices, and reducing the risk of thermal damage.
With its non-curing, non-melting, and stable formulation, Dow Corning 340 delivers long-term reliability across a wide range of operating conditions. It remains effective in temperatures from -40°C to +200°C without hardening or drying out, making it a durable solution for both industrial and commercial applications. Its excellent dielectric strength also ensures electrical insulation, making it safe to use with semiconductors, power modules, and high-voltage devices.
This compound is widely used in power supplies, UPS systems, rectifiers, IGBT modules, and motor drives, where efficient thermal management is critical. Easy to apply and resistant to oxidation, it provides consistent performance over time, minimizing maintenance needs. Whether for large-scale industrial equipment or precision commercial electronics, Dow Corning 340 is a dependable choice for enhancing efficiency, safety, and durability.
Key Specs
Specification | Value |
---|---|
Material Type | Silicone-based thermal compound |
Thermal Conductivity | 0.63 W/m·K |
Thermal Resistance | 0.05 °C·cm²/W at 0.001 in film |
Operating Temperature | -40°C to +200°C |
Dielectric Strength | 450 V/mil |
Consistency | Smooth, grease-like paste |
Color | White |
Stability | Non-curing, non-melting |
Shelf Life | Up to 24 months (stored below 25°C) |
Applications | Transistors, diodes, rectifiers, IGBT modules, power supplies, UPS systems, motor drives |