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281-2AB 数据表(PDF) 6 Page - List of Unclassifed Manufacturers

部件名 281-2AB
功能描述  BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
PDF  21 Pages
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制造商  ETC [List of Unclassifed Manufacturers]
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标志 ETC - List of Unclassifed Manufacturers

281-2AB 数据表(HTML) 6 Page - List of Unclassifed Manufacturers

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54
55
wakefield-vette.com
Contact us: (603) 635-2800
MECHANICAL DIMENSIONS
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
5
10
15
20
25
0200
400600
8001000
HEAT DISSIPATED (WATTS)
0.5
2.5
2.0
1.5
1.0
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
5
10
15
20
25
0200
400600
8001000
HEAT DISSIPATED (WATTS)
0.5
2.5
2.0
1.5
1.0
0
20
40
60
80
100
0200
400
600800
1000
AIR VELOCITY (LFM)
0
2
4
6
8
10
0200
400
600800
1000
HEAT DISSIPATED (WATTS)
1
5
4
3
2
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
2
4
6
8
10
12
14
16
18
20
0200
400600
8001000
HEAT DISSIPATED (WATTS)
1
5
4
3
2
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
2
4
6
8
10
0200
400600
8001000
HEAT DISSIPATED (WATTS)
2
10
8
6
4
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
2
4
6
8
10
0200
400600
8001000
HEAT DISSIPATED (WATTS)
2
10
8
6
4
NATURAL AND FORCED
CONVECTION CHARACTERISTICS
BOARD LEVEL
HEAT SINKS
BOARD LEVEL
HEAT SINKS
Height Above
Maximum
Standard
PC Board Footprint
P/N
in. (mm)
in. (mm)
Natural Convection
Forced Convection
265-118ABHE-22
1.18 (30.0)
1.00 (25.4) x .50 (12.7)
56°C rise @ 4W
7.0°C/W @ 200LFM
Material: Aluminum, Black Anodized
MECHANICAL DIMENSIONS
NATURAL AND FORCED
CONVECTION CHARACTERISTICS
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
5
10
15
20
25
0200
400600
8001000
HEAT DISSIPATED (WATTS)
0.5
2.5
2.0
1.5
1.0
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
5
10
15
20
25
0200
400600
8001000
HEAT DISSIPATED (WATTS)
0.5
2.5
2.0
1.5
1.0
0
20
40
60
80
100
0200
400
600800
1000
AIR VELOCITY (LFM)
0
2
4
6
8
10
0200
400
600800
1000
HEAT DISSIPATED (WATTS)
1
5
4
3
2
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
2
4
6
8
10
12
14
16
18
20
0200
400600
8001000
HEAT DISSIPATED (WATTS)
1
5
4
3
2
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
2
4
6
8
10
0200
400600
8001000
HEAT DISSIPATED (WATTS)
2
10
8
6
4
0
20
40
60
80
100
0200
400600
8001000
AIR VELOCITY (LFM)
0
2
4
6
8
10
0200
400600
8001000
HEAT DISSIPATED (WATTS)
2
10
8
6
4
Height Above
Maximum
Standard PC Board
Footprint
P/N
in. (mm)
in. (mm)
Natural Convection
Forced Convection
286DBE
.95 (24.1)
1.00 (25.4) x .50 (12.7)
65°C rise @ 4W
9.0°C/W @ 200LFM
Material: Aluminum, Black Anodized
PATENT
PENDING
Dimensions: in. (mm)
MECHANICAL DIMENSIONS
NATURAL AND FORCED
CONVECTION CHARACTERISTICS
SECTION A-A
239-75AB
239-75AB-03
239-75AB-04
265 SERIES
239 SERIES
VERTICAL MOUNT HEAT SINK
SNAP-DOWN SELF-LOCKING HEAT SINKS
LABOR-SAVING CLIP-ON HEAT SINKS
Height Above
Footprint
Standard
PC Board
Dimensions
Mounting
Solderable Mounting
Natural
Forced
P/N
in. (mm)
in. (mm) Configuration Tab Options Style Convection Convection
243-1PAB
1.000 (25.4)
.800 (20.3) x .270 (6.9)
Vert./Horiz.
No Tab
Clip
50°C@ 2W
4.5°C/W @ 400 LFM
243-3PAB
.800 (20.3)
.800 (20.3) x .270 (6.9)
Verl./Horiz.
No Tab
Clip
78°C@ 2W
8.2°C/W @ 400 LFM
Material: Aluminum, Pre-anodized Black
243 SERIES
286DB SERIES VERTICAL MOUNT HEAT SINK
NATURAL AND FORCED
CONVECTION CHARACTERISTICS
VIEW B-B
SECTION A-A
Thermal Performance at Typical Load
Height Above
Footprint
Standard
PC Board
Dimensions
Mounting
Solderable
Mounting
Natural
Forced
P/N
in. (mm)
in. (mm) Configuration Tab Options Style
Convection
Convection
239-75AB
.750 (19.1)
1.120 (28.4) x .435 (11.0)
Vert./Horiz
No Tab
Clip/Mtg Hole
38°C @ 2W
6°C/W @ 400 LFM
239-75ABE-03 .750 (19.1)
1.120 (28.4) x .435 (11.0)
Vertical
03
Clip/Mtg Hole
38°C @ 2W
6°C/W @ 400 LFM
239-75ABE-04 .750 (19.1)
1.120 (28.4) x .435 (11.0)
Vertical
04
Clip/Mtg Hole
38°C @ 2W
6°C/W @ 400 LFM
Material: Aluminum, Black Anodized
Thermal Performance at Typical Load
Thermal Performance at Typical Load
Thermal Performance at Typical Load
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
Dimensions: in. (mm)
MECHANICAL DIMENSIONS
TO-220
TO-220
TO-220
TO-220



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