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GuangWei – Expert in Precision Die Casting and Advanced Metal Craftsmanship

Thermal Management Components
Aluminum die-cast thermal management components are engineered for efficient heat dissipation and mechanical protection in high-power electronic and electrical systems. Using high-thermal-conductivity aluminum alloys, these components are optimized for heat transfer, lightweight design, and dimensional stability. They are widely used in power electronics, LED lighting, automotive systems, and communication equipment, ensuring reliable performance under demanding thermal conditions. Application Fields: Power converters, EV battery cooling systems, base station heat sinks, LED lighting enclosures, inverter housings, and industrial control modules.

Series of Thermal Management Components

Power Electronics Heat Sinks
Die-cast aluminum heat sinks and housings for inverters, rectifiers, and DC-DC converters. Designed for high surface area and optimized airflow, enabling excellent heat dissipation performance.
LED Lighting Housings & Radiators
Precision-cast aluminum housings for street lights, floodlights, and industrial LED modules. Provides lightweight structure, corrosion resistance, and efficient thermal conduction.
EV Battery & Charging System Cooling Parts
Aluminum die-cast cooling plates, junction covers, and thermal shells for electric vehicle battery packs and on-board chargers. Ensures high heat transfer and structural integrity under vibration and temperature cycles.
Telecommunication & Base Station Heat Sinks
Die-cast aluminum enclosures and heat sinks for 5G base stations, power amplifiers, and RF modules. Offers superior EMI shielding, heat dissipation, and outdoor corrosion protection.
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Material and Surface Treatment

1
Material
Standard: Aluminum Alloy ADC12 / A380 / AlSi9Cu3
Optional: AlSi10Mg or Al6061 (for higher strength or conductivity requirements)
2
Surface Treatment
Standard: Sandblasting + Anodizing (natural or black)
Optional: Electrophoretic coating, powder coating, or nickel plating for enhanced corrosion resistance
Special: Thermal black coating or nano-ceramic coating for improved heat radiation efficiency

Product Features

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Technical Parameters

Parameter

Specification

Test / Standard

Requirement

Material

ADC12 / A380 / AlSi9Cu3

Thermal Conductivity

≥120 W/m·K

Surface Treatment

Sandblasting + Anodizing (customizable)

Salt Spray Test

≥96h (neutral)

Surface Roughness

Ra ≤ 1.6 μm

Dimensional Tolerance

±0.05 mm

Tensile Strength

≥250 MPa

Thermal Shock Test

-55℃ ~ +125℃, 200 cycles

Flatness

≤0.05 mm per 100 mm

Aging Test

85℃ / 85% RH, 1000h

Coating Adhesion

Grade 0–1 (ISO 2409)

Durability

≥10,000 operating cycles

Quality and Certification

Produced under ISO9001, IATF16949, and ISO14001 certified systems. All materials comply with RoHS and REACH environmental standards. Third-party test reports (SGS / TÜV) for heat conduction, corrosion resistance, and coating adhesion are available upon request.

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Packaging and Logistics

Packaging: Bubble wrap + carton box, optional foam tray for precision parts. MOQ: 300 pcs (negotiable for pilot projects). Lead Time: 25–35 working days depending on mold complexity. Shipping: Sea, air, or express logistics with export-compliant packaging

Frequently Asked Questions
1
Can you customize heat sink fin geometry for my product?
Yes, we design and manufacture customized heat sink profiles based on your thermal simulation or design data.
2
Which aluminum alloy is best for high thermal conductivity?
AlSi10Mg and Al6061 provide higher conductivity and are suitable for demanding thermal environments.
3
Can the die-cast parts be used outdoors?
Yes, with anodizing or powder coating, our products meet IP67-level outdoor corrosion standards.
4
Do you support CNC post-processing for mounting holes or sealing surfaces?
Yes, all thermal components can be CNC machined for flatness, interface fitting, and gasket sealing.
5
What is the maximum part size you can produce?
Our equipment supports die-casting up to 160 tons, suitable for medium and large-sized heat sinks or housings.
Get in touch with us
Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
Guangwei is a professional precision die casting and machining manufacturer, integrating zinc, aluminum, and magnesium alloy die casting, mold design, CNC machining, and surface finishing into a complete one-stop solution.
CONTACT US
  Sales Manager: Man Shee Cheong
  +86-135-8095-1697
  www.guangweitx.com
  No. 3, Shangzhen 2nd Road, Shangjiao Community, Chang’an Town, Dongguan, China.
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