Light Weight Ceramic Heat Sink Heat Spreader for Power Module

• Customization: Available
• Product Name: Alumina Ceramic Heat Sinks
• Material: Aluminium Nitride
• Model NO.: heatsink
• Color: White
• Size: Customized
• Breakdown Woltage Strength: 18.45kv/mm
• Chemical Stability: 0.97mg/Cm3
• Dielectric Constant (1MHz): 8.56
• Thermal Conductivity: 180~190W/M.K
• Warpage (Length%): ≤2%
• Type: Insulating Ceramics
• Transport Package: Custom
• Specification: customized
• Trademark: TOUSEN
• Origin: China
• HS Code: 35069900
• Production Capacity: 500000

Product Description

Company Profile

High Precision Aluminum Nitride Ceramic Substrate

    Guangdong Dongsen Zhichuang Technology Co., Ltd. was established in 2009 with a total registered capital of 11 million Chinese Yuan and more than 200 employees. We have two independent manufactuers located in Huizhou and Jiangxi separately . we also have oversea offices in HK and Japan to provide high-quality services to all our valued customers.
      Our company has passed ISO 9001, ISO1400, IATF16949, OHSAS18001 and other related management system certifications, and our products have got UL\CE\ROHS\REACH and other certifications.
      As a professional manufacturer in the field of thermal interface materials and EMI electromagnetic interference materials, Dongsen mainly provides silicone thermal conductive pads, thermal grease, thermal graphite sheet , thermal conductive tape rolls ,metal foil tapes (copper foil tape, aluminum foil tape), high temperature polyimide tapes, also we provide die cutting customize service as per customers' drawings. We are one of the biggest and most comprehensive solution suppliers of thermal conductivity materials, insulating materials and shielding materials in China.
      Dongsen focuses on meeting customer needs and strives to maximize the profits of customers. We gain trust of various well-known customers, and has long-term cooperation with Samsung, Huawei, ZTE, Changhong, Panasonic, Foxconn, Midea, etc., and has been well received!

Our Partners

Our Advantages

High Precision Aluminum Nitride Ceramic Substrate

Our Tousen aluminum nitride ceramic substrate is designed for high-power LEDs, IGBT, and MOS tubes, offering excellent thermal conductivity (170W/m.k) and a high dielectric constant (8.7) for efficient heat dissipation and stable performance. Ideal for various industrial ceramic applications.

Detailed Photos

Features : 

Material: Aluminum Nitride Ceramic

Color: White

Size: Customizable

Density: 3.3g/cm³

High Thermal Conductivity: 170W/m.k

High Dielectric Constant: 8.7

High Mechanical Strength

Excellent Electrical Insulation

 

 

Applications :

High-power LEDs

IGBT Modules

MOS Tubes

Power Electronics

Communication Devices

We have 20 die-cutting production lines, which can die-cut according to customer drawings and provide integrated services(thermal conductive silicone pad die cuting)

 

 

 

Product Parameters

 

Material	Al2O3 96%	Al2O3 99.6%	AIN	Zr02
Color	white	white	gray	white
Density(g/cm^3)	3.72	3.85	3.3	6.04
Thermal Conductivity(w/m.k)	22.3	29.5	160-190	2.4
Thermal Expansion (x10^6/c)	8	8.2	4.6	10
Dielectric Strength	1.40E+07	1.80E+07	1.40E+07
Dielectric Constant (at 1MHz)	9.5	9.8	8.7	29
Loss Tangent (x10^-4 at 1MHz)	3	2	5	1.00E-03
Volume Resistivity(ohm.m)	>10^14	>10^14	>10^14
Flexural Strength(N/mm^2)	350	500	450