MOLYKOTE® 340 Silicone Heat Sink Compound – 142g Tube

BrandMolykote

MOLYKOTE® 340 is a white, non-curing, non-flowing silicone-based thermal compound designed to enhance heat transfer between electronic components and heat sinks. It provides reliable thermal coupling, ensuring efficient heat dissipation in various electronic applications

Description

MOLYKOTE® 340 Silicone Heat Sink Compound is engineered to facilitate effective thermal management in electronic assemblies. Its grease-like consistency, combined with thermally conductive metal oxide fillers, ensures optimal heat transfer from heat-generating components to heat sinks or chassis, thereby enhancing device reliability and longevity.

Key Features:

  • Thermally Conductive: Efficiently transfers heat away from electronic components.

  • Non-Curing & Non-Flowing: Maintains its consistency over time without hardening or flowing.

  • High Temperature Stability: Performs reliably across a broad temperature range.

  • Low Bleed & Evaporation: Minimizes the risk of contamination and maintains performance.

  • Excellent Dielectric Properties: Provides electrical insulation in addition to thermal conductivity.

Typical Applications:

  • Thermal coupling of transistors, diodes, and silicon-controlled rectifiers to heat sinks.

  • Enhancing heat dissipation in power supplies, amplifiers, and electronic modules.

  • Used in aerospace, automotive, and industrial electronic assemblies requiring efficient thermal management.

Technical Specifications:

  • Color: White

  • Consistency: Grease-like

  • Specific Gravity: 2.1

  • Thermal Conductivity: 0.67 W/m·K

  • Viscosity: 542,000 mPa·s

  • Dielectric Strength: 210 V/mil

  • Volume Resistivity: 2 × 10¹⁵ ohm·cm

  • Shelf Life: Approximately 60 months at 38°C

Additional information
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