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Thermal insulating pad

TO247 Alumina thermal pad for electronics
  • Materials:Alumina (Al2O3)/ Zirconia(ZrO2) /Si3N4 /SiC ...etc
  • Sizes:Diameter:3-60mm;length:20-650mm
  • Delivery times:2 -25 days(depends on the quantity)
  • Precision:Ra 0.1um tolerance: 0.001mm... etc
  • Features:Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation
  • Customized:Can be custom for special sizes and shapes
    1. Factory price and shipment within 24 hours In stocks
    2. MOQ:1qty
    3. Payment Term: PayPal; T/T; L/C etc.
    4. Shipment: by sea by air by courier by post etc.
Free quotes notice:
  • 2020/08/05 - Thailand - good morning, how much the 130mm length the ceramic tube rods...

    2020/08/04 - Switzerland - hi, the delivery time of the customized high temperatures resistance ce

    2020/08/05 - Germany - hi deng, the price of the customized the 0.3mm tolerance ceramic plate

    2020/08/05 - Canada - good morning, 0.12'' id ceramic bushing 2'' lengh ceramic rod i need th

    2020/08/05 - America - hello, i want to made a sample for custom ceramic parts...

    2020/08/04 - Spain - goods guy, i need some sample to custom a ceramic engineering parts...

    2020/08/04 - Slovenia - hello, l am interested in the ceramic pin for the weldings...

    2020/08/04 - Singapore - hi, 0.3'' od 0.26''id 2' length ceramic tube for pump liner...

    2020/08/04 - Sweden - hello everyone, i need the 105mm length ceramic shaft for gears...

    2020/08/04 - Australia - hi, do you have a High thermal conductivity ceramic plates for electron

    2020/08/04 - Malaysia - good morning, i looing for the insulating ceramic plate 110*90*1mm...

    2020/08/04 - Italy - can i custom a 0.15 Tolerance of ceramic sleeve??

    2020/08/04 - Germany - i want to custom the 0.5 tolerance ceramic parts like a sheet with scre

    2020/08/04 - Canada - i need a high hardness ceramic rod and 0.22'' od ceramic tubes...

    2020/08/03 - America - hi, i want to know the price of the 230*150*0.5mm ceramic plates...

    2020/08/03 - America - hello sir, 0.21'' id 230mm zirconia ceramic tube i need them...

    2020/08/02 - Finland - hello deng. do you can send the fob of custom ceramic part to us now?

    2020/08/02 - Italy - hi sir, i want find the factory to make the ceramic sample parts...

    2020/08/02 - Australia - good morning admin, i want to know the price of the ceramic sealing par

    2020/08/02 - Canada - good afternoon, i looking for the 0.43'' od ceramic bushing for the met

    2020/08/02 - America - hello, do you have the flat ceramic washer with 0.62'' id ??

    2020/08/01 - England - Please send me the ceramic arm at CIF price...

    2020/08/01 - Japan - Do you support custom ceramic wafer for the semiconductor industry?

    2020/08/01 - Canada - good days, how much the ceramic standoffs ?

    2020/08/01 - Denmark - i am looking for the ceramic part with high thermal shocks...

    2020/08/01 - Australia - good morning deng, Please send me FOB price for 0.55'' id flat ceramic

    2020/08/01 - Italy - I need FOB price for high strength ceramic seal ring for the engineerin

    2020/08/01 - Germany - hello admin, 0.32''id 0.42''od ceramic tubes i need the prices...

    2020/08/01 - America - hello sir, i am interested in the 200mm ceramic tube for grill...

    2020/08/01 - America - hi good evening, i am looking for the ceramic tube for rings...


  • Alumina thermal pad TO247  Type

    Alumina thermal pad application for electronics part

    Harder than all metal alloys, aluminium ceramic is an exceptional material allowing extraordinary performance in a very wide field of applications.
    Electrical insulators and thermal conductors.
    High resistance to friction, abrasion and compression.

    Thermal conductivity: 20 W/m-k
    Electrical insulation: 6 kV
    Density: < 3.7 g / ml
    Resistivity: <101 Ω / cm
    Max. operating temperature: 1600 °C
    Thermal resistance: 0.3 °C / W

    Application: 
    Thermal ceramic is mainly used in high power equipment, IC MOS tube, IGBT thermal conduction and insulation, high frequency power supply, communications, mechanical equipment, strong current, high voltage and high temperature product. 

    Us can be based on customer drawings and requirements to provide non-standard ceramic accessories and provide related solutions.

    Materials:
    Property Alumina  Property Zirconia
    Bulk density(g/cm3) 3.85-3.93 The density (g/cm3) 6.05
    Hardness(HRA≥) 86 Bibulous rate(%) 0
    Bending strength(Mpa≥) 300 Thermal expansion coefficient(10-6 /k) 10.5
    Maximum service temperature(℃) 1500 Young's modulus of elasticity(Gpa) 210
    Linear expansion coefficient(×10-6/℃) 7.15-7.67 Poisson's ratio(/) 0.3
    Dielectric constant(εr(20℃,1MHz)) 9.21 Hardness (MPa) 1200
    Dielectric loss(tanδ×10-4,1MHz) 2.5 Bending strength (MPa) 950
    Volume resistivity(Ω·cm(100℃)) 9.2*1016 The bending strength (MPa) 210
    The compressive strength(Mpa≥) 2500 Compressive strength (MPa) 2000
    Flexural strength(Mpa≥) 200 Fracture toughness(Mpa.m1/2) 10
    Modulus of elasticity(Gpa) 300 Thermal conductivity (W/m.k) 2
    Poisson's ratio 0.2 Specific resistivity(Ω.mm2/m) >1015
    Thermal conductivity Coefficient(W/m·K(20℃)) 20 Maximum service temperature(℃) 1350
    Dc breakdown strength 43.7 Acid and alkali corrosion resistance(/) strength
    Tensile seal strength(Mpa) 104.4    


    Dimensional accuracy Up to 0.001mm
    Smoothness Highest possible mirror
    Concentricity Up to 0.003mm
    Parallelism Up to 0.002mm
    The inner hole tolerance The minimum  0.005mm
    Straight flute The narrowest 0.1x100mm
    The thickness of the size Minimum to 0.02mm
    The screw thread Minimum internal thread M2
    Cylindricity Up to 0.004mm
    The linear tolerance Up to 0.001mm
    The smallest aperture The minimum 0.07mm
    Visual quality:
    1. No cracks,  no dark dots, no contamination and sharp edges;
    2. Evenly distributed glaze with very smooth surface

    Properties :

    1. High Hardness wear resistance
    2. High precision
    3. Good mechanical strength
    4. High temperature and chemical resistance
    5. Electric insulation
    6. Low thermal expansion
    7. Smooth surface finish
    8. Thermal Shock Resistance 


    Material :  
    1. Alumina ceramic
    2. Zirconia ceramic
    3. Silicone carbide
    4. Silicone nitride
    Lead-time: 20-30 days for mass production, 7-15 days for samples.
     

    Contact Us

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      69.243.*.* - America/Chicago - Ceramic tube

      140.233.*.* - America/New_York - Zirconia ceramic

      195.75.*.* - Europe/Madrid - Ceramic pin

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