Aluminum Nitride Heat Sink

Aluminum Nitride Heat Sink

Aluminum Nitride Heat Sink

Purity: 95%-99%

  • Custom sizes and standard sizes in stock
  • Quick Lead Time
  • Competitive Price
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Aluminum Nitride Heat Sink is an efficient thermal management solution. It has exceptional thermal conductivity, electrical insulation, high-temperature resistance, and chemical stability. It is widely used in electronic devices (e.g., power amplifiers, LED lighting, and CPU cooling), aerospace, and industrial high-temperature environments. As a leading supplier and manufacturer of premium aluminum nitride products, we can supply high-quality aluminum nitride heat sinks with various specifications and competitive prices, offering customized solutions to meet specific requirements.

Or email us at sales@heegermaterials.com.

Aluminum Nitride Heat Sink Data Sheet

Reference Code:HM1917
Purity:95%-99%
Density:3.32 g/cm3
Appearance:Dark Gray / Light Gray / Beige

Aluminum Nitride Heat Sink

Aluminum Nitride (AlN) Heat Sink is made of high-purity aluminum nitride ceramic. It can rapidly conduct and dissipate heat while offering excellent electrical insulation and high-temperature resistance, making it ideal for applications requiring effective heat dissipation and reliability. Advanced Ceramics Hub We can offer both bulk molding and custom single-piece options to meet diverse industrial and research requirements, with flexible and rapid customization of product size and scale.

Aluminum Nitride Heat Sink Advantages

  • High thermal conductivity (170-230 W/mK), up to 9.5 times that of alumina.
  • A thermal expansion coefficient similar to that of silicon (Si).
  • Superior electrical insulation and lower dielectric constant.
  • High-temperature resistance
  • Thermal shock resistance
  • Lightweight and durable

Aluminum Nitride Heat Sink Applications

  • Electronics: Employed in power amplifiers, LED lighting, CPUs, and GPUs for heat dissipation, ensuring stable operation of high-power components.
  • Aerospace: Used in aircraft engines and satellite equipment for thermal management in high-temperature environments, thanks to their lightweight and heat-resistant nature.
  • Industrial Applications: Applied in high-temperature industrial equipment (e.g., furnaces or laser systems) to provide efficient heat dissipation and thermal stability.
  • Communication Technology: Utilized in RF and microwave devices for heat dissipation while maintaining electrical insulation, suitable for 5G base stations and similar equipment.
  • Renewable Energy: Integrated into electric vehicle battery modules and solar inverters to enhance thermal management efficiency.

Aluminum Nitride Material Properties

PropertyUnitHMAN1000HMAN2000HMAN3000HMAN4000HMAN1000S
Densityg/cm33.323.323.323.303.30
Young’s ModulusGPa 300-350300-350300-350300-350350
Fracture Toughness KICMPa m1/23332.53
Poisson’s Ratio– 0.220.220.220.220.22
Compressive StrengthMPa30003000300030003000
Flexural Strength @ 25°CMPa350350350350350
HardnessGPa1010101211

PropertyUnitHMAN1000HMAN2000HMAN3000HMAN4000HMAN1000S
Thermal Conductivity @ 25°CW/mK170200230200170
CTE 25°C ➞ 400°C10-6/K4.54.54.53.54.6
Max Temperature (Air)°C12001200120012001200
Max Temperature (Inert)°C12001200120012001200

PropertyUnitHMAN1000HMAN2000HMAN3000HMAN4000HMAN1000S
Dielectric Constant1 MHz8.88.88.58.58.8
Dielectric Loss1 MHz5×10-45×10-45×10-45×10-45×10-4
Dielectric Strength DC @ 25°CkV/mm1515151514
Volume Resistivity @ 25°Cohm-cm >1013>1013>1013 >1014 >1014

Aluminum Nitride Material Grades

HMAN1000 is our standard high purity aluminium nitride with a thermal conductivity of 170 W/mK. This is the same thermal performance as our substrate material but offers the possibility of larger pieces in length/width and in thicknesses up to 30mm.
HMAN1000 has good coefficient of thermal expansion – matched to silicon and gallium nitride over wide temperature ranges.

HMAN100 Applications:

  • High power insulators
  • Laser components
  • Water cooled heatsinks
  • Power electronics
  • Aerospace, medical and semiconductor components

HMAN1000S 170 W/mK is our standard high thermal conductivity substrate material, However, other high-performance grades are also available.

HMAN1000S Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN2000 is one of our enhanced grades of aluminium nitride, offering all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.

HMAN2000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN3000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 230 W/mK thermal conductance.

HMAN3000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN4000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.

HMAN4000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

Aluminum Nitride Ceramic Machining

Ceramic Machining HM

Aluminum Nitride (AlN) ceramic machining is a precise process used to fabricate high-performance components from aluminum nitride materials. Machining aluminum nitride ceramics requires specialized equipment and techniques to handle their brittleness and hardness. Proper tooling and controlled environments are essential to avoid material damage and achieve the desired surface finish and dimensional accuracy. The common machining methods are as follows:

  • Diamond Cutting: Diamond tools are used to achieve fine precision and smooth surface finishes, ideal for complex shapes.
  • Laser Cutting: A non-contact method used for intricate shapes, with high precision and minimal thermal impact.
  • Precision Grinding: Utilized to achieve fine tolerances and surface finishes. Requires special care to prevent cracking or chipping due to the ceramic’s brittleness.
  • Wire EDM (Electrical Discharge Machining): A method often used for intricate cutting, especially for thin and complex geometries.

Aluminum Nitride Ceramic Packaging

Aluminum Nitride Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

ceramic products packing-HM

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We will check and get back to you in 24 hours.

To customize your aluminum nitride heat sink, please provide the following details:

  1. Dimensions: Specify the required length, width, height, or other parameters.
  2. Purity of the material
  3. Thermal Conductivity: Indicate the thermal conductivity required based on your requirement.
  4. Maximum Operating Temperature: Provide the maximum temperature the heat sink will be exposed to.
  5. Mounting Options: Specify any required mounting features (e.g., holes, slots, or clips).
  6. Surface Finish: polished, rough, etc.
  7. Quantity of the products you need
  8. Alternatively, you can provide a drawing with your specifications.

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of aluminum nitride products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

Aluminum Nitride offers 8-10x higher thermal conductivity (170-200 W/m·K) than aluminum oxide, with excellent electrical insulation and thermal shock resistance.

Ideal for high-power LEDs, laser diodes, RF modules, and aerospace electronics requiring efficient heat dissipation.

Yes, we provide custom designs for dimensions, fin structures, and surface metallization (Au/Ni plating).

Advanced Ceramic Hub, established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of tantalum and tantalum alloys. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of ceramics, refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

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