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Silicon Heatshink Washer Grey 20x25mm
SKU: HSH-0039-M01
Sold by Select Automation
Final price R 0.69
R 0.60 excl. VAT
Availability: In Stock (2 on hand)
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Short Description
The Silicon Heat Sink Washer Grey 20 × 25mm is a high-performance thermal insulating pad designed to provide efficient heat transfer while electrically isolating semiconductor components from heatsinks.
Commonly used in power electronics and thermal management applications, it is ideal for mounting components such as transistors, MOSFETs, SCRs, TRIACs, voltage regulators, and power modules onto metal heatsinks.
Manufactured from thermally conductive silicone material, the washer helps improve heat dissipation between electronic components and cooling surfaces while preventing electrical short circuits.
Its flexible construction enables excellent surface conformity, minimizing air gaps and improving thermal conductivity for enhanced cooling efficiency and reliable device operation.
The 20 × 25mm size makes it suitable for a variety of standard power semiconductor packages, including TO-220, TO-247, TO-3P, and similar high-power devices, depending on installation requirements.
The material provides good resistance to heat, aging, vibration, and environmental stress, ensuring dependable long-term performance in demanding electronic systems.
Designed for easy installation, the washer can be used together with mounting hardware and insulating bushes to create a secure thermal interface between the component and heatsink while maintaining electrical isolation.
The Silicon Heat Sink Washer Grey 20 × 25mm is widely used in power supplies, motor drives, inverters, amplifiers, industrial control systems, battery chargers, and electronic repair applications, making it an essential thermal management accessory for professional and DIY electronics projects.
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Specifications:
Material Composition: Thermally conductive silicone elastomer.
Colour: Grey.
Application: Thermal interface and electrical isolation for semiconductor mounting.
Mounting Function: Provides thermal coupling between electronic component and heatsink while maintaining electrical insulation.
Length: 25 mm.
Width: 20 mm.
Thickness: 0.2 – 0.5 mm.
Shape: Rectangular flat insulating washer.
Tolerance: Standard manufacturing tolerance ±0.1 mm.
Base Material: Silicone thermal insulation compound.
Mechanical Property: Flexible and compressible for improved surface conformity.
Surface Finish: Smooth contact surfaces for enhanced thermal interface efficiency.
Aging Resistance: Resistant to thermal degradation and material hardening over time.
Environmental Resistance: Moisture, oxidation, and vibration resistant.