With the increasing demands for multi-functional, miniaturized and high-powered electronic products, the demands for ceramic heat sink is getting more and more. 96% alumina ceramic heat sink has excellent thermal conductivity and electrical insulation, it could help electronic devices dissipate heat efficiently and keep them working normally. It is the most widely applied ceramic substrates due to its mature production process, low production cost and adequate raw materials.
Standard Model Number/Size
TO-3P / 20mm*25mm*T1mm
TO-220 / 13mm*19mm*T1mm
TO-264 / 22mm*28mm*T1mm
TO-247 / 17mm*22mm* 0.635mm
Ceramic heat sink for high power triode, high power triode, field effect transistor, voltage regulator module, audio power amplifier module, high-power thyristor module, integrated rectifier module
● No heat storage, high heat dissipation efficiency
● Reduce electromagnetic interference and make equipment run more stable
● Resistance to high temperature and high voltage
● Resistance to acid and alkali, long service life
● Small size, light weight and save space
● High mechanical strength and not easy to break
Machining Service for Alumina Ceramic Substrates
Laser Hole Drilling
Mascera could offer full machining for alumina ceramic substrates, including cutting, scribing, laser hole drilling with laser machines, also make polishing(up to Ra0.03-0.05μm), surface metallization for customers' needs. Lead time is short and machining dimensions are accurate.
Property Data Sheet
96% Alumina Ceramic
Thermal Conductivity (at 25℃)
Coefficient of Thermal Expansion (20-300℃)
Long-term Working Temperature
Volume Resistivity (at 25℃)
Dielectric Constant (1MHz)
Ceramic parts are fragile when transportation, Mascera makes good package for every product to avoid crack or damage. EPE profiles or foam will be put inside cartons to reduce colliding between parts. Fragile labels will be pasted on the packages.
Why Choose Us?
● Rich experience in production and research of industrial ceramics
● High quality products with competitive
● Custom production with high precision
● Short time for production
● Has a group of experienced, professional and efficient R&D team
● Has a good reputation among our customers
● MOQ is not limited, small quantity is welcome.
● Vigorous team and good after-sales service
FAQ Q1: How long is your delivery time?
A: Generally it is 3-7 days if the goods are in stock. or it is 35-40 days if the goods are not in stock, it is according to quantity.
Q2: Is it available to provide custom products?
Yes, many of our products are customized according to customers’ technical drawing, design or using requirements.
Q3: Can I get a replacement or refund if any damage or defects?
Yes, we will remake or refund to you if any damage or defect.
Q4: How will you ship the goods?
A: For fast delivery of small order, we use international express (DHL, TNT, FEDEX, UPS), for order with big weight, we use air freight or sea transportation.