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To247 To220 Al2O3 Alumina Ceramic Wafer

  • To247 To220 Al2O3 Alumina Ceramic Wafer
  • To247 To220 Al2O3 Alumina Ceramic Wafer
  • To247 To220 Al2O3 Alumina Ceramic Wafer
  • To247 To220 Al2O3 Alumina Ceramic Wafer
  • To247 To220 Al2O3 Alumina Ceramic Wafer
  • To247 To220 Al2O3 Alumina Ceramic Wafer
To247 To220 Al2O3 Alumina Ceramic Wafer
  • MSJ/AL-006
  • 96% alumina ceramic
  • customized
  • 1000pcs
  • electronic packing of diodes, triodes, MOS tubes and small-scale ICs

One of our hot selling products is ceramic substrate for electronic package applications. The materials of ceramic substrates we can produce are alumina ceramic and aluminum nitride ceramic. Both have good electrical insulation, good mechanical strength and high heat resistance. Product size could be customized accroding to your request.

Any inquiry please email info@mascera-tec.com or call +86 13860446139

Product detail

ceramic wafer


Ceramic wafers made of alumina ceramic have excellent properties of low weight, good electrical insulation, low dielectric loss, good thermal conductivity and high heat resistance etc, it is an ideal material for electrical insulation and heat dissipation purpose in electronic industries. Alumina ceramic wafers have been developped for electronic package of high-power diodes, triodes, MOS tubes and small-scale ICs. The thickness of alumina ceramic wafers could be 0.25mm, 0.385mm, 0.5mm, 0.635mm, 0.8mm, 1.0mm, 2mm, 3mm , 4mm or customized size. The flatness and surface roughness are good, the product size and material properties are stable.

Mascera will adopt corresponding production technologies according to customers' different requirement for dimensions or quality. We are capable to provide alumina ceramic wafers in short time for big quantities to meet customers' using demands.


Advantages of Alumina Ceramic Wafers

1. Ceramic wafer dissipates heat quickly, enhancing thermal efficiency.

2. Ceramic structure surpasses most thermal insulation materials in heat dissipation.

3. Multi-directional heat dissipation speeds up cooling.

4. electrical insulation, high thermal conductivity, and resistance to high voltage, temperature, abrasion, oxidation, acid, and alkali.

5. Effective EMI and anti-static properties.

6. Environmentally-friendly natural organic materials.

7. Small size, light weight, high strength, and space-saving.

8. Ideal for high-power equipment with compact design requirements.



Overview of main Al2O3 Ceramic wafer

Product Photo Product categoriesFor housingThickness Hole Dimensions

alumina wafer

alumina ceramic wafer

AL2O3 washer
FOR TO220A-F
TO220A1.5mm3.8mm16.5x12.7x1.5mm
1mm3.8mm16.5x12.7x1mm
TO220B3mm3.7mm17.3x12.3x3mm
TO220C1.5mm3.1mm18x12x1.5mm
1.5mm4mm18x12x1.5mm
1.5mm3.6mm18x12x1.5mm
1.5mm3.1mm18x12x1.5mm
3mmwithout18x12x3mm
3mm3.1mm18x12x3mm
TO220D1.5mm3.2mm18x14x1.5mm
3mmwithout18x14x3mm
3mm3.2mm18x14x3mm
4.5mm3.2mm18x14x4.5mm
4.5mm3.5mm18x14x4.5mm
TO220E1.6mm3.7mm19.3x14x1.6mm
2.5mm3.7mm19.3x14x2.5mm
2mm3.7mm19.3x14x2mm
3mm3.7mm19.3x14x3mm
4mm3.7mm19.3x14x4mm
TO220F1.5mm3.6mm23x20x1.5mm
1mmwithout23x20x1mm
1mm3.6mm23x20x1mm
2mmwithout23x20x2mm
2mm3.6mm20x20x2mm
3mmwithout23x20x3mm
4mmwithout23x20x4 mm
4mm3.6mm23x20x4mm
ceramic waferAL2O3 washer
FOR TO247
TO2471.5mm3.1mm20.5x17.5x1.5mm
1.8mm3.8mm20.5x17x1.8mm
alumina waferAL2O3 washer
FOR TO3A
TO3A3mmHole: 4.9mm
Elongated hole: 4.2x4.9mm
40.5x26.2x3mm
alumina ceramic waferAL2O3 washer
FOR DO4A-DO4B
DO4A1.57mm8.2mmAD20.1x1.57mm
DO4A3,5mm8.2mmAD20.1x3.5mm
DO4B1,6mm6.6mmAD20x1.6mm
AL2O3 washer
FOR DO5A-DO5B
DO5A1mm5.1mmAD13x1mm
DO5B1.5mm3.2mmAD9.5x1.5mm
DO5B2.3mm3.2mmAD9.5x2.3mm
ceramic waferAL2O3 washer
FOR SOT32A
SOT32A1.5mm3.1mm11x8x1.5mm
alumina waferAL2O3 washer
FOR Substrate
Substrate3mmwithout25x10x3mm
Substrate5mmwithout25x10x5mm
alumina ceramic waferAL2O3 washer
FOR TOP3-TO127
TO1273mm4mm25x21x3mm
TOP31.5mm3.1mm20.5x17.5x1.5mm
ceramic waferAL2O3 washer
FOR TO5-TO18
TO181.5mm3x0.9mmOD8x1.5mm
TO51.5mm3x1.11mmAD10.9x1.5mm
alumina waferAL2O3 washer
FOR TO218
TO2181.5mm4mm25x21x1.5mm
TO2183mmwithout25x21x3mm
TO2183mm4mm25x21x3mm
TO2184mm4mm25x21x4mm


96% Alumina Ceramic Property Data

ITEMUNITPARAMETER
Al2O3 Purity
%96
ColorWhite
Densityg/cm3≥3.72
Warpage---
≤3‰*Length
Water Absorption%0
Moh’s Hardness9
Fracture ToughnessMpa.m1/23‐4
Flexural Strength(at 25℃)Mpa
≥350
Thermal ConductivityW/m.k≥24
Coefficient of Thermal

Expansion(20~300℃)

10‐6/8
Max working temperature1650
Dielectric Constant(1MHz, 25℃)9~10
Dielectric Loss(1MHz, 25℃)0.0003
Dielectric StrengthKV/mm17
Volume resistivityΩ.cm1014


Typical Application


alumina ceramic wafer

Alumina ceramic wafers are widely applied for IC modules, IGBT, MOS, triode, portable electronic devices, high frequency mechanical equipment, electronic communication equipment, radiator, automobile engine control device and automotibe electronics etc.



Packing & Shipment

Package typecarton box with foam protection
Payment terms

TT / Western Union / Paypal

50% payment in advanced and 50% before shipment

Loading port Xiamen, China
Shipping wayBy sea / air / door-to-door express

ceramic wafer

alumina wafer


Why Choose Us

10+ years experience in technical ceramics manufacturing and R&D

ISO9001:2015 certificated quality control management system

Different types of ceramic materials are provided for your different applications

Products have been exported to 40+ countries and have good reputation from our customers

MOQ is low, both prototype and bulk order will keep high quality

Any of your inquiries or questions will be responded no longer than 24 hours

Rigorous production plan to ensure on-time delivery



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