Aluminum oxide substrate properties

Material 96% Al2O3
Color white
Maximum substrate size 4" x 6"
TCE (10E+6/°C) 7
Thermal conductivity (W/mK) 20 - 30

Dielectric strength (60 cycles AC avg. RMS)

0.025" thick
0.040" thick

 

600 V/mil
490 V/mil

Dielectric constant (relative permitivity)

1 kHz
1 MHz

 

9.5 (25°C)
9.5 (25°C)

Dissipation factor (loss tangent)

1 kHz
1 MHz

 

0.0010 (25°C)
0.0004 (25°C)

Loss index (loss factor)

1 kHz
1 MHz

 

0.009 (25°C)
0.004 (25°C)

Volume resistivity

25°C
300°C
500°C
700°C

 

> 10E+14
1.0 x 10E+12
1.0 x 10E+9
1.0 x 10E+8

 

Available conductor material composition

  • Au
  • PtPdAu
  • PtAu
  • Ag
  • AgPd

Thick film resistor range: available from 10Ω - 10MΩ pastes