218-40CT5 Wakefield Thermal Solutions, 218-40CT5 Datasheet - Page 9
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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
Material: Aluminum,
Black Anodized
MECHANICAL DIMENSIONS
30
Board Level
Heat Sinks
MECHANICAL DIMENSIONS
232-200AB
6/14/07
251-62AB
Standard
P/N
242-125ABE-22 1.285 (32.6)
Material: Aluminum, Black Anodized
Standard
P/N
232-200AB
232-200ABE-23 2.000 (50.8)
238-200AB
238-200ABE-23 2.000 (50.8)
Standard
P/N
251-62AB
251-80AB
251-80ABE-19
Material: Aluminum, Black Anodized
242 SERIES
251 SERIES
232 & 238 SERIES
242-125AB-22
10:55 AM
232-200AB-23
Height Above
Height Above
2.000 (50.8)
2.000 (50.8)
Height Above
.620 (15.7)
.845 (21.5)
.875 (22.2)
PC Board
PC Board
in. (mm)
in. (mm)
251-80AB
PC Board
in. (mm)
Page 30
MECHANICAL DIMENSIONS
Low-Height, Low-Profile Twisted Fin Heat Sinks
Slim-Profile Heat Sinks With Integral Clips
1.380 (35.1) x .500 (12.7)
1.380 (35.1) x .500 (12.7)
1.380 (35.1) x .500 (12.7)
1.380 (35.1) x .500 (12.7)
Staggered Fin Heat Sinks for Vertical Mounting
.875 (22.2) x .250 (6.4)
.910 (23.1) x .380 (9.7)
.910 (23.1) x .380 (9.7)
.910 (23.1) x .380 (9.7)
238-200AB
Dimensions
Dimensions
Dimensions
Footprint
in. (mm)
Footprint
Footprint
in. (mm)
in. (mm)
Dimensions: in. (mm)
Dimensions: in. (mm)
238 SERIES
251 SERIES
Configuration Tab Options
238-200AB-23
Configuration
Configuration
251-80AB-19
Vert./Horiz.
Vert./Horiz.
Mounting
Mounting
Mounting
Vertical
Vertical
Vertical
Verlical
Verlical
Vertical
242 SERIES
232 AND 238 SERIES
Dimensions: in. (mm)
Solderable
2, Solderable
2, Solderable
Tab Options
Tab Options
Solderable
Solderable
2, Twisted
2, Twisted
22
No Tab
No Tab
19
Mounting
Mtg Hole
Clip/Mtg Hole
Clip/Mtg Hole
Style
Mounting
Mounting
Mtg Slot
Mtg Slot
Style
Style
Clip
Clip
Clip
CONVECTION CHARACTERISTICS
48°C @ 2W
Convection
Thermal Performance at Typical Load
CONVECTION CHARACTERISTICS
CONVECTION CHARACTERISTICS
Natural
NATURAL AND FORCED
NATURAL AND FORCED
NATURAL AND FORCED
48°C @ 4W
48°C @ 4W
48°C @ 4W
48°C @ 4W
Convection
Convection
66°C @ 3W
64°C @ 3W
64°C @ 3W
Thermal Performance at Typical Load
Thermal Performance at Typical Load
Natural
Natural
6.2°C/W @ 400 LFM
3.3°C/W @ 400 LFM
3.3°C/W @ 400 LFM
3.3°C/W @ 400 LFM
3.3°C/W @ 400 LFM
66°C/W @ 400 LFM
66°C/W @ 400 LFM
66°C/W @ 400 LFM
Convection
Convection
Convection
15 Lead Multiwatt
Forced
Forced
TO-202, TO-220
Forced
TO-220