218-40CT5 Wakefield Thermal Solutions, 218-40CT5 Datasheet - Page 2
![HEATSINK ALUM NATURAL SMD](/photos/5/90/59090/wakefield_engineering-_218-40ct5_sml.jpg)
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
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
100
100
80
60
40
20
80
0
0
0
0
200
200
0.5
200
HEAT DISSIPATED (WATTS)
AIR VELOCITY (LFM)
AIR VELOCITY (LFM)
400
400
400
1.0
600
600
1.5
600
800
800
2.0
800
1000
1000
1000
2.5
25
20
15
10
5
0
20
18
16
100
100
80
80
60
40
20
0
Solid line = 218-40CT5
0
0
0
200
200
200
0.5
HEAT DISSIPATED (WATTS)
AIR VELOCITY (LFM)
AIR VELOCITY (LFM)
400
400
400
1.0
Dashed Line = 218-40CT3
600
600
600
1.5
800
800
800
2.0
1000
1000
1000
2.5
25
20
15
10
5
0
10
8