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CR-ALO AL2O3 Ceramic Insulator Pad

Description

Aluminum Oxide has unique thermal conductivity qualities and features low loss factors at high frequencies. It has high compressive strength, high volume resistivity, low thermal expansion and resists radiation.

Features & Benefits

  •  Superior thermal conductivity: 25W/m.K
  •  Excellent electrical insulation
  •  High endurability to corrosion and abrasions
  •  Ultra-flat and super fine surface roughness treatment
  •  Light weight and compact designs
  •  Good metallizing property
  •  Excellent workability for assembly
  •  Low linear thermal expansion coefficient to fit to
  • mechanical design, good match with other
  • mechanical parts
  •  EMI reduction and high reliability

Typical Applications

  • Laser equipment, high-power LED
  • Power Transistor, Power modules
  • Power supplies, UPS
  • Telecommunication equipment, STB
  • Military gadgets, radar, power inverters
  • Notebook, PC, CPU, chip IC, IGBT etc.

Remarks:

  1. Shelf-life can be 24 months since date of manufacture
  2. Supply form: Sheet, die-cut/laser-cut parts or prelaminated with desired TIMs or other materials
  3. Standard sheet size: 120x120mm / 140x190mm or customized size upon requests (tooling required)
More Details
ItemUnitCRxxx-ALOStandards
FORMULATIONSAL2O3%96
SiO2%2.5
CaO%1
Other oxides%0.5
Typical physical properties
PHYSICALColorWhiteVisual
Thicknessmm0.3 – 2.0ASTM D374
HardnessRockwell 45N85GB/T230-91
Densityg/cc3.8GB/T 2413
Flexural StrengthMPa≥400EN12372
WarpageLength‰≤2‰
Surface roughness, Raum0.2 – 0.75GB/T 6062
Breakdown voltageKV/mm>17ASTM D149
Volume ResistivityΩ-cm1.1×10¹⁴ASTM D257
Dielectric Constant1MHz10-SepGB/T 5594.4
Operating Temp.°C-60 ~ 900
THERMAL Thermal ConductivityW/m.K25ASTM D5470
Linear Coeff. of Thermal Expansion10⁻⁶/
20~300°C
6.5 – 8.0GB/T5593
Young’s modulusGPa340
Thermal shock resistivity°C160EN14066

 

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