
6
7
8
10
11
12
13
14
16
9
3
4
2
1
5
A
NOM
6.02
LOW
5.63
HIGH
6.38
NOM
23.9
LOW
19.4
HIGH
25
NOTES: Values at 20
°
C unless otherwise specified. (
α
) At 100
°
C. (
β
) At 0
°
C. (a) || to triangle axis. (b)
⊥
to triangle axis. (c) Average value; graphite varies from 2.0 to
5.6 depending on type and orientation. Pyrolytic graphite is 0.16 and 50
⊥
and || to layer planes. (d) Crystalline,
⊥
to c-axis; polycrystalline = 0.006W/in-
°
C. (e) || to a-
axis. (f) || to b-axis. (g) || to c-axis. (h) Armco iron. (i) White phosphorous. (j) Amorphous. (k) Polycrystalline. (l) Resistivity at 0
°
C. (m) Intrinsic value, actual value sensitive
to purity. (t) With 10
21
/cm
3
to 10
14
/cm
3
impurity concentration. (z) Type IIa diamond. (AB) Measured by J. Naylor. (AC) Crystalline, amorphous
≈
10
6
μ
-cm.
E
THERMAL CONDUCTIVITY
(W/in-
°
C)
THERMAL EXPANSION
(10
–6
/
°
C)
RESISTIVITY
AT 20
°
C
(
μ
-cm)
TCR
(10
–6
/
°
C)
MATERIAL
ALUMINUM
4290
2.66
ANTIMONY
0.620
0.481
0.648
(
β
)
8.46
10.8
41.7
ARSENIC
1.28
1.08
(
α
)
1.37
(
β
)
4.7
33.3
BARIUM
0.468
18
50.0
BERYLLIUM
5.10
4.04
5.54
(
β
)
12
25000
5.9
BISMUTH
0.201
(k)
0.134
(a)
0.233
(b)
13
106.8
BORON
0.696
0.478
(
α
)
0.808
(
β
)
8.3
1.8 x 10
12(m)
CADMIUM
2.46
(k)
2.11
(g)
2.62
(d)
29.9
4200
6.83
CALCIUM
5.10
3.20
5.23
22
4160
3.43
CARBON
3.70
(c)
0.0404
(j)
58.9
(z)
0.54
4.32
1375
(l)
CESIUM
0.912
97
20.0
CHROMIUM
(k)
2.38
6.1
3000
13.0
COBALT
(k)
2.54
12
6040
6.24
COPPER
10.2
17
6800
1.673
GALLIUM
1.04
(e)
0.404
(g)
2.24
(f)
18
56.8
GERMANIUM
1.53
1.18
(
α
)
1.69
(
β
)
5.9
10
2
- 10
7(t)
GOLD (10.2 oz. troy/in
3
)
8.08
14.2
4000
2.19
HAFNIUM
0.584
0.569
(
α
)
0.592
(
β
)
5.9
3800
32.4
INDIUM
(k)
2.08
1.94
(
α
)
2.12
(
β
)
32
8.37
IRIDIUM
3.73
6.8
3925
5.3
IRON
2.04
1.85
(h)
2.20
(
β
)
11.7
6510
9.71
LEAD
0.897
0.874
(
α
)
0.904
(
β
)
29.3
3360
20.65
MAGNESIUM
(k)
3.96
25
16500
4.46
MANGANESE
0.198
22
185
MOLYBDENUM
3.50
5.4
5.17
NICKEL
2.31
2.10
(
α
)
2.39
(
β
)
13
6900
6.84
NIOBIUM
1.36
7.1
12.5
OSMIUM
(k)
1.55
4.7
4200
9.5
PALLADIUM
1.82
11.9
3770
10.8
PHOSPHORUS
.0064
(j)
.307
(k)
126
10
17
PLATINUM
1.82
8.8
3927
9.83
RHENIUM
k
1.22
6.7
3950
19.3
RHODIUM
3.81
8.3
4200
4.51
RUBIDIUM
1.48
90
12.5
RUTHENIUM
2.97
9.6
7.6
(l)
SELENIUM
0.033
(d)
0.013
(j)
0.115
(g)
38
12
(AC)
SILICON
3.78
2.1
4.27
(
β
)
3.5
111(AB)
2.9
7.4
10
2
to 10
8(t)
SILVER
10.9
19.6
4100
1.59
STRONTIUM
0.899
0.826
(
α
)
0.924
(
β
)
23.0
SULFUR
(k)
0.0069
0.0039
(
α
)
0.0073
(
β
)
65
2 x 10
23(m)
THERMAL AND ELECTRICAL PROPERTIES OF
SELECTED PACKAGING MATERIALS
1991 Burr-Brown Corp.
APPLICATION BULLE TIN
Mailing Address: PO Box 11400 Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd. Tucson, AZ 85706
Tel: (602) 746-1111 Twx: 910-952-111 Telex: 066-6491 FAX (602) 889-1510 Immediate Product Info: (800) 548-6132
1991 Burr-Brown Corporation
AB-030
Printed in U.S.A. April, 1991