參數(shù)資料
型號： 7178DG
廠商： Aavid Thermalloy
文件頁數(shù)： 7/116頁
文件大?。?/td> 0K
描述： BOARD LEVEL HEAT SINK
產(chǎn)品培訓(xùn)模塊： How to Select a Heat Sink
標(biāo)準包裝： 1,000
類型： 插件板級，垂直
冷卻式包裝： TO-220
固定方法： 螺栓固定和 PC 引腳
形狀： 矩形
長度： 0.750"（19.05mm）
寬： 0.520"（13.21mm）
機座外的高度（散熱片高度）： 0.375"（9.52mm）
溫升時的功耗： 0.6W @ 30°C
在強制氣流下的熱敏電阻： 在 700 LFM 時為5.0°C/W
自然環(huán)境下的熱電阻： 35.7°C/W
材質(zhì)： 銅
材料表面處理： 錫
其它名稱： 043244
104
A
C
CESSORIES
EUROPE
ASIA
Italy Tel: +39 051 764011 email: sales.it@aavid.com
United Kingdom Tel: +44 1793 401400 email: sales.uk@aavid.com
Singapore Tel: +65 6362 8388 email: sales@aavid.com.sg
Taiwan Tel: +886 (2) 2698-9888 email: sales@aavid.com.tw
AMERICA
USA Tel: +1 (603) 224-9988 email: info@aavid.com
www.aavidthermalloy.com
USA Tel: +1 (603) 224-9988 email: info@aavid.com
"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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7179 功能描述:旋鈕和轉(zhuǎn)盤 HNDL ALUM BK A 6.437 RoHS:否 制造商:Davies Molding 材料:Phenolic 設(shè)計:Set Screw 軸尺寸:0.25 in 直徑:3/4 in 顏色:Black 指示器型式:Line
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7-179228-0 功能描述:CT CRIMP-2 REC HSG 10P BLACK RoHS:是 類別:連接器，互連式 >> 矩形 - 外殼 系列:共模端子，CT RoHS指令信息:368457-1 Statement of Compliance 標(biāo)準包裝:840 系列:多鎖系列 連接器類型:插頭 觸點類型：:母形插口 位置數(shù):20 間距:- 行數(shù):2 行間距:0.197"（5.00mm） 安裝類型:自由懸掛 觸點終端:壓接 緊固型:銷鎖 顏色:自然色 特點:- 包裝:托盤 請注意:不提供觸點
7-179228-1 功能描述:集管和線殼 CT CRIMP-2 REC HSG 11P BLACK RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector
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