Thermal Conductivity
| METALS
| (Watts cm °C)
|
| Silver |
(Ag) |
4.08 |
| Copper |
(Cu) |
3.94 |
| Gold |
(Au) |
2.96 |
| Aluminum |
(Al) |
2.18 |
| Beryllium |
(Be) |
2.00 |
| Tungsten |
(W) |
1.74 |
| Rhodium |
(Rh) |
1.50 |
| Molybdenum |
(Mo) |
1.46 |
| Brass |
(66% Cu, 34% Zn) |
1.110 |
| Chromium |
(Cr) |
0.937 |
| Nickel |
(Ni) |
0.920 |
| Platinum |
(Pt) |
0.716 |
| Tin |
(Sn) |
0.666 |
| Tantalum |
(Ta) |
0.575 |
| Lead |
(Pb) |
0.353 |
| Titanium |
(Ti) |
0.219 |
| Manganese |
(Mn) |
0.078 |
| INSULATORS
| (Watts cm °C) |
| Diamond |
(CVD) |
10.0-16.0 |
| Beryllium Oxide 99.5% |
(BeO) |
2.61 |
| Aluminum Nitride |
(AIN) |
1.70 |
| Boron Nitride |
(HBN 500°) |
0.59 |
| Sapphire |
|
0.46 |
| Alumina Oxide 99.6% |
(AI2O3) |
0.36 |
| Alumina Oxide 96% |
(AI2O3) |
0.26 |
| Alumina Oxide 91% |
(AI2O3) |
0.13 |
| Glass |
|
0.015 |
| Mica |
|
0.0043-0.0062 |
| Air |
|
0.00026 |
| BONDING
| (Watts cm °C)
|
| Gold Germanium 88/12 |
0.8834 |
| Gold Tin 80/20 |
0.6824 |
| Tin Lead Solder (Sn62) |
0.4921 |
| Indium 100% |
0.2386 |
| Silver Filled Epoxy |
0.0156 |
| Epoxy |
0.0099 |
Material Properties
| MATERIAL
| ELECTRICAL CONDUCTIVITY
(Siemens/m)
|
| Aluminum |
3.538E+07 |
| Beryllium |
2.256E+07 |
Brass
(66%Cu, 34%Zn) |
2.564E+07
(converted from resistivity) |
| Carbon (graphite) |
1.276E+05 |
| Chrome |
5.104E+06 |
| Copper |
5.800E+07 |
| Gold |
4.257E+07 |
| Indium |
1.392E+07 |
| Lead |
4.872E+06 |
| Nickel |
1.462E+07 |
| Palladium |
9.280E+06 |
| Platinum |
9.442E+06 |
| Rhodium |
2.227E+07 |
| Silver |
6.090E+07 |
| Tin |
8.700E+06 |
| Tin Lead Solder (63/37) |
7.284E+06 (estimated) |
| Titanium |
1.276E+06 |
| Titanium Tungston (TiW) |
1.652E+07 (estimated) |
| Tungsten |
1.821E+07 |
Solders
| COMPOSITION
| MELTING RANGE
|
| SOLIDUS
| LIQUIDUS
|
| Sn96 |
221°C |
221°C |
| Sn70 |
182°C |
193°C |
| Sn63 |
182°C |
182°C |
| Sn62 |
176°C |
189°C |
| Sn60 |
182°C |
190°C |
| Sn50 |
182°C |
215°C |
| Sn40 |
182°C |
238°C |
| Sn35 |
182°C |
246°C |
| Sn30 |
182°C |
254°C |
| Sn20 |
182°C |
276°C |
| Sn10 |
267°C |
299°C |
| Sn5 |
308°C |
312°C |
| Sb5 |
232°C |
240°C |
| Pb80 |
182°C |
276°C |
| Pb70 |
182°C |
254°C |
| Pb65 |
182°C |
246°C |
| Ag1.5 |
309°C |
309°C |
| Ag2.5 |
304°C |
304°C |
| Ag5.5 |
304°C |
365°C |
Other Solders
| COMPOSITION
| MELTING RANGE
|
| SOLIDUS
| LIQUIDUS
|
| Gold Germanium 88/12 |
356°C |
356°C |
| Gold Tin 80/20 |
280°C |
280°C |
| Indium 100% |
157°C |
157°C |
|
Conversion Chart
| EQUIVALENTS
|
| 1 Micron |
= |
39.37 Microinches |
| 1 Micron |
= |
10,000 Angstroms |
| 1 Micron |
= |
1,000 Nanometers |
| 25.4 Microns |
= |
1 Mil |
| 1 Angstrom |
= |
0.003937 Microinches |
| 1 Angstrom |
= |
0.0001 Microns |
| 10 Angstroms |
= |
0.03937 Microinches =
1 Nanometer |
| 50 Angstroms |
= |
0.1968 Microinches =
60/40 Optical |
| 254 Angstroms |
= |
1 Microinch |
| 100 Nanometers |
= |
3.937 Microinches |
| 100 Nanometers |
= |
1,000 Angstroms |
| 1 Nanometer |
= |
10 Angstroms |
| 1 Microinch |
= |
254 Angstroms |
| 1 Microinch |
= |
2.54 Nanometers |
| 39.37 Microinches |
= |
1 Micron 1 Mil =
25.4 Microns |
| 1 Mil |
= |
25.4 Microns |
| TO GET |
MULTIPLY |
BY |
| Angstroms |
= |
Microns |
x |
10,000 |
| Angstroms |
= |
Microinches |
x |
254 |
| Angstroms |
= |
Mils |
x |
25,400 |
| Angstroms |
= |
Nanometers |
x |
10 |
| Microns |
= |
Nanometers |
x |
0.001 |
| Microns |
= |
Angstroms |
x |
0.0001 |
| Microns |
= |
Microinches |
x |
0.0254 |
| Microns |
= |
Mils |
x |
25.4 |
| Microns |
= |
Millimeters |
x |
0.01 |
| Nanometers |
= |
Microns |
x |
1000 |
| Nanometers |
= |
Mils |
x |
0.03937 |
| Nanometers |
= |
Microinches |
x |
25.4 |
| Nanometers |
= |
Angstroms |
x |
0.10 |
| Millimeters |
= |
Microns |
x |
0.001 |
| Millimeters |
= |
Mils |
x |
0.0254 |
| Millimeters |
= |
Microinches |
x |
0.0000254 |
| Millimeters |
= |
Inches |
x |
25.4 |
| Centimeters |
= |
Inches |
x |
2.54 |
| Centimeters |
= |
Millimeters |
x |
10 |
| Microinches |
= |
Microns |
x |
39.37 |
| Microinches |
= |
Mils |
x |
1000 |
| Microinches |
= |
Angstroms |
x |
0.003937 |
| Microinches |
= |
Nanometers |
x |
0.03937 |
| Microinches |
= |
Millimeters |
x |
39.373 |
| Mils |
= |
Microns |
x |
0.03937 |
| Mils |
= |
Microinches |
x |
0.001 |
| Mils |
= |
Angstroms |
x |
254,000 |
| Mils |
= |
Millimeters |
x |
39.37 |
| Inches |
= |
Millimeters |
x |
0.03937 |
| Inches |
= |
Centimeters |
x |
0.3937 |
| Sq. Inches |
= |
Sq. Centimeters |
x |
0.15499 |
| Sq. Centimeters |
= |
Sq. Inches |
x |
6.45 |
| Cu. Inches |
= |
Cu. Centimeters |
x |
0.06102 |
| Cu. Centimeters |
= |
Cu. Inches |
x |
16.39 |
| Ounces |
= |
Grams |
x |
0.03527 |
| Pounds |
= |
Kilograms |
x |
2.2046 |
| Grams |
= |
Ounces |
x |
28.349 |
| Kilograms |
= |
Pounds |
x |
0.4536 |
| TEMPERATURE
|
| Degrees F |
= |
9 / 5 (Degrees C) + 32 |
| Degrees C |
= |
5 / 9 (Degrees F) - 32 |
|
