Chip Heat Sink Solutions

Engineered miniature thermal management for semiconductor chips, processors, and electronic components. Our precision-manufactured chip heat sinks deliver exceptional cooling performance in the smallest form factors for modern electronics.

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Chip Heat Sink

What is a Chip Heat Sink?

A chip heat sink is a miniature thermal dissipation device specifically designed for cooling semiconductor chips, integrated circuits, and electronic components. These compact cooling solutions are essential in modern electronics where components generate significant heat in extremely small packages.

Unlike larger heat sinks used for CPUs or power devices, chip heat sinks must deliver effective cooling within dimensional constraints as small as 10x10mm. They employ optimized fin geometries, high thermal conductivity materials, and specialized mounting methods to maximize heat transfer in minimal space.

Our chip heat sinks are precision-machined to achieve the tight tolerances required for reliable thermal contact with delicate semiconductor packages, ensuring optimal performance while protecting sensitive components.

Key Specifications

  • Size range: 10x10mm to 50x50mm
  • Height: 5mm to 30mm profiles
  • Materials: Aluminum, Copper, Brass
  • Thermal: 0.5-5.0°C/W resistance

Popular Applications

  • LED Modules
  • Chipset Cooling
  • PCB Components
  • Transistor Modules

Chip Heat Sink Product Portfolio

LED Chip Heatsink

LED Chip Coolers

Aluminum heatsinks for LED modules and transistors with optimized thermal performance.

Bridge Heat Sink

Chipset Solutions

North and South Bridge heat sinks with integrated fan cooling for motherboard chipsets.

Miniature Heatsink

Micro Components

10x10x10mm miniature heatsinks for compact electronic applications.

Semiconductor Cooler

Semiconductor Coolers

Cold forged aluminum fin heatsinks for semiconductor and chipset applications.

Active Chip Cooling

Active Cooling

Fan-integrated heatsinks for high-power chip applications requiring forced convection.

Electronic Chipset Heatsink

Anodized Finishes

Black anodized aluminum chipset heatsinks with enhanced thermal emissivity.

PCB Heat Sink

PCB Mounting

PCB heat sinks for transistors and LED modules with thermal adhesive mounting.

Custom Chip Heatsink

Custom Designs

Fully customized chip heatsinks tailored to specific component requirements.

Design & Manufacturing Excellence

Precision engineering and advanced manufacturing techniques ensure optimal thermal performance

Precision Tolerances

CNC machining achieves base flatness within 0.02mm ensuring optimal thermal contact with chip packages.

Optimized Fin Arrays

High-density fin patterns maximize surface area while maintaining manufacturability and structural integrity.

Surface Treatments

Multiple finish options including anodizing, plating, and coating for enhanced performance and protection.

Manufacturing

Technical Advantages

Lightweight

Minimal weight impact on delicate PCBs and components

Compact

Fits within tight space constraints of modern electronics

Efficient

High thermal conductivity materials maximize heat transfer

Easy Mount

Multiple mounting options for simplified assembly

Cost-Effective

Economical thermal solution for volume production

Industry Applications

LED Lighting

High-power LED arrays, COB modules, and lighting fixtures requiring efficient thermal management.

Computer Hardware

Motherboard chipsets, graphics cards, memory modules, and embedded system components.

Mobile Devices

Smartphones, tablets, and portable electronics with miniature component cooling needs.

Telecommunications

Network equipment, routers, switches, and communication device processors.

Automotive Electronics

Engine control units, infotainment systems, and ADAS component cooling.

Industrial Control

PLCs, sensors, controllers, and automation systems in harsh environments.

Frequently Asked Questions

What size chip heat sink do I need for my application?

Chip heat sink sizing depends on component power dissipation, package dimensions, available clearance, and ambient temperature. As a general rule, the heat sink base should completely cover the chip package. For power levels under 2W, 10-20mm sizes often suffice. Higher powers may require 30-50mm sizes or active cooling. Our engineering team can recommend optimal sizing based on your specifications.

How do I attach chip heat sinks to components?

Common attachment methods include thermal adhesive tape (easy installation, moderate performance), thermal epoxy (permanent, excellent thermal conductivity), spring clips (reusable, adjustable pressure), and push pins (tool-free, removable). The choice depends on thermal requirements, accessibility, and whether future removal is necessary. We can supply heat sinks with integrated mounting features.

When should I use aluminum versus copper chip heat sinks?

Aluminum offers excellent value with 205 W/mK thermal conductivity, light weight, and lower cost, making it suitable for most chip cooling applications. Copper provides superior 385 W/mK conductivity but costs more and weighs significantly more. Use copper for ultra-high power densities in minimal space, or when component temperatures must be minimized. For most electronics, aluminum provides sufficient performance.

Can chip heat sinks be used on PCBs without damaging boards?

Yes, when properly designed and installed. Use lightweight aluminum designs to minimize stress on PCBs and solder joints. Thermal adhesive tape distributes weight evenly without applying excessive pressure. For heavier heat sinks or applications with vibration, consider additional mechanical support or mounting to chassis rather than relying solely on PCB attachment. Our engineering team designs solutions considering PCB stress limitations.

What surface finish is best for chip heat sinks?

Black anodizing is highly recommended as it increases thermal emissivity (radiative heat transfer), provides corrosion protection, and offers electrical insulation. For cost-sensitive applications, natural aluminum finish works well. Clear anodizing provides protection without affecting appearance. For harsh environments, consider nickel plating. The base surface contacting the chip should remain flat and smooth regardless of external finish.

Do you offer custom chip heat sink designs?

Absolutely. We specialize in custom chip heat sink design and manufacturing. Our CNC capabilities enable precise customization of dimensions, fin configurations, mounting features, and materials. Whether you need specific thermal performance, unique form factors, or integration with existing assemblies, we develop optimized solutions. Provide component specifications, thermal requirements, and space constraints for custom recommendations.

Ready to Enhance Your Component Cooling?

Partner with Rapidaccu for precision chip heat sinks engineered to protect your most critical electronic components.

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Contact Rapidaccu

Address

Rongli Industrial Park, Dalang, Longhua District, Shenzhen, China

Experience

15 Years of Precision CNC Manufacturing

Rapidaccu Advantages

  • Advanced CNC machining precision
  • 15 years thermal solution expertise
  • Custom design capabilities
  • Rigorous quality control
  • Global shipping solutions

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