218-40CT5 Wakefield Thermal Solutions, 218-40CT5 Datasheet - Page 7
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218-40CT5
Manufacturer Part Number
218-40CT5
Description
HEATSINK ALUM NATURAL SMD
Manufacturer
Wakefield Thermal Solutions
Series
218r
Specifications of 218-40CT5
Height
0.4" (10.16mm)
Package Cooled
SMD
Attachment Method
SMD Pad
Outline
26.16mm x 12.70mm
Power Dissipation @ Temperature Rise
2W @ 52°C
Thermal Resistance @ Forced Air Flow
21°C/W @ 200 LFM
Thermal Resistance @ Natural
31°C/W
Packages Cooled
TO-218 / TO-220
Thermal Resistance
31°C/W
Width
26.2mm
Heat Sink Material
Copper
Mounting Type
PC Board Surface Mount
Length
12.7mm
Body Plating
Matte Tin
Product
Heatsinks
Mounting Style
SMD/SMT
Heatsink Material
Aluminum
Fin Style
Folded
Dimensions
26.16 mm L x 12.7 mm W x 10.16 mm H
Designed For
SMT Devices
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
21840CT5
345-1083
345-1083
WTS001_p26-49
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
28
Board Level
Heat Sinks
MECHANICAL DIMENSIONS
MECHANICAL DIMENSIONS
6/14/07
Standard
P/N
265-118ABHE-22
Material: Aluminum, Black Anodized
Standard
P/N
286DBE
Material: Aluminum, Black Anodized
265 SERIES
286DB SERIES
10:55 AM
Page 28
Vertical Mount Heat Sink
Vertical Mount Heat Sink
Height Above
Height Above
1.18 (30.0)
PC Board
PC Board
.95 (24.1)
in. (mm)
in. (mm)
1.00 (25.4) x .50 (12.7)
1.00 (25.4) x .50 (12.7)
Maximum
Maximum
Footprint
in. (mm)
Footprint
in. (mm)
100
80
60
40
20
100
0
80
60
40
20
0
0
0
0
0
Natural Convection
Natural Convection
CONVECTION CHARACTERISTICS
CONVECTION CHARACTERISTICS
56°C rise @ 4W
65°C rise @ 4W
200
200
200
200
2
2
NATURAL AND FORCED
NATURAL AND FORCED
HEAT DISSIPATED (WATTS)
HEAT DISSIPATED (WATTS)
Thermal Performance at Typical Load
Thermal Performance at Typical Load
AIR VELOCITY (LFM)
AIR VELOCITY (LFM)
400
400
400
400
4
4
600
600
600
600
6
6
800
800
800
800
8
8
7.0°C/W @ 200LFM
9.0°C/W @ 200LFM
Forced Convection
Forced Convection
1000
1000
1000
1000
10
10
10
8
6
4
2
0
10
8
6
4
2
0
TO-220
TO-220