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Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink – Fotma

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Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink – Fotma Detail:

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Tungsten copper electronic packaging material has both the low expansion properties of tungsten and the high thermal conductivity properties of copper. What is particularly valuable is that its thermal expansion coefficient and thermal conductivity can be designed by adjusting the composition of the material brought great convenience.

FOTMA uses high-purity and high-quality raw materials, and obtains WCu electronic packaging materials and heat sink materials with excellent performance after pressing, high-temperature sintering and infiltration. 

Tungsten Copper WCu Heat Sink

Advantages of Tungsten Copper (WCu) Electronic Packaging Materials

1. The tungsten copper electronic packaging material has an adjustable thermal expansion coefficient, which can be matched with different substrates (such as: stainless steel, valve alloy, silicon, gallium arsenide, gallium nitride, aluminum oxide, etc.);

2. No sintering activation elements are added to maintain good thermal conductivity;

3. Low porosity and good air tightness;

4. Good size control, surface finish and flatness.

5. Provide sheet, formed parts, also can meet the needs of electroplating.

Copper Tungsten Heat Sink Properties

Material Grade Tungsten Content Wt% Density g/cm3 Thermal Expansion ×10-6  CTE(20℃) Thermal Conductivity W/(M·K)
90WCu 90±2% 17.0 6.5 180 (25℃) /176 (100℃)
85WCu 85±2% 16.4 7.2 190 (25℃)/ 183 (100℃)
80WCu 80±2% 15.65 8.3 200 (25℃) / 197 (100℃)
75WCu 75±2% 14.9 9.0 230 (25℃) / 220 (100℃)
50WCu 50±2% 12.2 12.5 340 (25℃) / 310 (100℃)

Application of Tungsten Copper Heat Sinks

Materials suitable for packaging with high-power devices, such as substrates, lower electrodes, etc.; high-performance lead frames; thermal control boards and radiators for military and civilian thermal control devices.


Product detail pictures:

Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink  – Fotma detail pictures

Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink  – Fotma detail pictures

Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink  – Fotma detail pictures

Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink  – Fotma detail pictures


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With this motto in mind, we have turn out to be amongst probably the most technologically innovative, cost-efficient, and price-competitive manufacturers for Ordinary Discount Machining Brass - Tungsten Copper WCu Heat Sink – Fotma , The product will supply to all over the world, such as: Honduras, Nepal, Brunei, We'll continue to devote ourselves to market & product development and build a well-knit service to our customer to create a more prosperous future. Please contact us today to find out how we can work together.
  • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Lilith from Bangladesh - 2018.06.09 12:42
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Jocelyn from Korea - 2018.06.19 10:42
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