SW63-2G datasheet(104/116 Pages) AAVID

104 / 116 page

104

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"C"

"A"

"B"

"E"

DIA

"D"

Insulators – Aluminum Oxide

Aluminum oxide has unique thermal conductivity qualities

and features low loss factors at high frequencies. It has high

compressive strength, high volume resistivity, low thermal

expansion and resists radiation.

Aluminum oxide insulating washers have a dielectric strength

of approximately 21.7 x 10

3 volts/mm for .76mm material (550

volts/mil for 0.030 inch material) and 16.9 x 10

3 volts/mm for

1.57mm material (430 volts/mil for 0.062 inch material). The

thermal conductivity of aluminum oxide is 15.06W/(m°C) at 75°C.

PROPERTY

A1203

Dielectric constant 25‚°C (77°F)

Dissipation factor 25°C (77°F)

Electrical resistivity 25°C (77°F)

Dielectric strength (AC)

Density

Hardness

Flexural strength 25°C (77°F)

Modules of elasticity

Poisson’s ratio

Tensile strength 25°C (77°F)

Compressive strength 25°C (77°F)

Coefficient of thermal expansion

Thermal conductivity

Specific heat (100°C)

Melting point

Maximum temperature for

continuous use

CHEMICAL – TYPICAL VALUE

94% nominal

ELECTRICAL

8.9 (1MHz)

8.9 (10GHz)

0.0001 (MHz)

0.0010 (10GHz)

>1014 ohm-cm

8.66 x 103 volts/mm (6.35mm thick)

[220 volts/mil (0.250” thick)]

16.73 x 103 volts/mm (1.27mm thick)

[425 volts/mil (0.050” thick)]

28.35 x 103 volts/mm (0.25mm thick)

[720 volts/mil (0.010” thick)]

PHYSICAL

3.62 g/cm3 (226 lb/ft3)

78 (Rockwell 45 N)

MECHANICAL

3.17 x 108 Pa (minimum) [46.00 psi (minimum)]

3.52 x 108 Pa (typical) [51,000 psi (typical)]

2.83 x 1011 Pa (41 x 106 psi)

0.21

1.93 x 108 Pa (28,000 psi)

2.10 x 109 Pa (305,000 psi)

THERMAL

7.9 x 106/°C (4.4 x 106/°F)

18.01 W/(m°C) @ 25°C

14.24 W/(m°C) @ 100°C

79.56 W/(m°C) @ 400°C

8.79 x 104 KJ/kg°C [2.1 x 104 Btu/lb °F]

>3600°C (6512°F)

1700°C (3100°F)

TEST METHOD

Spectrographic analysis

(100%-% by wt. of total

metallic impurity)

ASTM D150-70

ASTM D2520-70

ASTM D150-70

ASTM D2520-70

ASTM D1829-66

ASTM D116-69

ASTM C20-70

ASTM E18-67

ACMA Test #2

ASTM C623-69T

ACMA Test #4

ASTM C528-63T

ASTM C372-56

ASTM C408-58

ASTM C351-61

"B"

10.92

(0.430)

"A"

1.83

(0.072)

"E"

15.09

(0.594)

"D"

RAD

TYP (2)

5.46

(0.215)

3.68

(0.145)

TYP (4)

"C" RAD

TYP (2)

DIA

Aluminum Oxide

Aluminum Oxide for TO-3

Aluminum Oxide Ceramic for TO-220

Aluminum Oxide Ceramic for TO-218, TO-247, and TO-3P

Part number

Thickness

“A” Dim

“B” Dim

“C” Dim

“D” Dim

“E” Dim

4103G*

1.91 (0.075)

39.70 (1.563)

26.67 (1.050)

13.34 (0.525) 4.75 (0.187)

30.40 (1.197)

4104G*

1.78 (0.070)

44.45 (1.750)

31.75 (1.250)

15.88 (0.625) 7.16 (0.282)

30.15 (1.187)

Part number

Thickness

“A” Dim

“B” Dim

“C” Dim

“D” Dim

“E” Dim

4169G*

1.57 (0.062)

19.30 (0.760)

13.97 (0.550)

4.78 (0.188)

6.98 (0.275)

3.68 (0.145)

4170G**

1.78 (0.070)

19.30 (0.760)

13.97 (0.550)

4.78 (0.188)

6.98 (0.275)

3.68 (0.145)

4171G**

1.78 (0.070)

16.51 (0.650)

12.70 (0.500)

4.32 (0.170)

6.35 (0.250)

3.81 (0.150)

4177G**

1.78 (0.070)

17.45 (0.687)

14.27 (0.562)

5.54 (0.218)

7.14 (0.281)

3.18 (0.125)

Part number

Thickness

“A” Dim

“B” Dim

“C” Dim

“D” Dim

“E” Dim

4180G*

1.78 (0.070)

23.24 (0.915)

18.80 (0.740) 6.98 (0.275)

9.40 (0.370)

3.96 (0.156)

ORDERING INFORMATION

"A"

"B"

"C"

"D"

"E"

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