218-40CT5 Wakefield Thermal Solutions, 218-40CT5 Datasheet - Page 21
![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
WTS001_p26-49
BOARD LEVEL POWER SEMICONDUCTOR HEAT SINKS
42
MECHANICAL DIMENSIONS
MECHANICAL DIMENSIONS
MECHANICAL DIMENSIONS
Board Level
Heat Sinks
Dimensions: in. (mm)
Dimensions: in. (mm)
Dimensions: in. (mm)
6/14/07
Standard
P/N
657-10ABEPN
657-15ABEPN
657-20ABEPN
657-25ABEPN
Wave-solderable pins. Material: Aluminum, Black Anodized
Standard
P/N
657-10ABEPSC
657-15ABEPSC
657-20ABEPSC
657-25ABEPSC
Wave-solderable pins. Material: Aluminum, Black Anodized
Standard
P/N
677-10ABEP
677-15ABEP
677-20ABEP
677-25ABEP
Wave-solderable pins. Material: Aluminum, Black Anodized
657 SERIES
657 SERIES
677 SERIES
10:56 AM
(EXTRUSION PROFILE 8719)
Page 42
High-Performance Heat Sinks with SpeedClips™ for Vertical Board Mounting
High-Performance, High-Power Heat Sinks for Vertical Board Mounting
High-Performance Notched Heat Sinks for Vertical Board Mounting
657 SERIES
677 SERIES
677 SERIES
Height Above
PC Board “A”
Height Above
PC Board “A”
Height Above
PC Board “A”
1.000 (25.4)
1.500 (38.1)
2.000 (50.8)
2.500 (63.5)
1.000 (25.4)
1.500 (38.1)
2.000 (50.8)
2.500 (63.5)
1.000 (25.4)
1.500 (38.1)
2.000 (50.8)
2.500 (63.5)
in. (mm)
in. (mm)
in. (mm)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
1.650 (41.9) x 1.000 (25.4)
(EXTRUSION PROFILE 6533)
Maximum
Maximum
Maximum
Footprint
in. (mm)
Footprint
in. (mm)
Footprint
in. (mm)
(EXTRUSION PROFILE 6533)
657 SERIES
657 SERIES
657 SERIES
41°C @ 6W
38°C @ 6W
32°C @ 6W
25°C @ 6W
41°C @ 6W
38°C @ 6W
32°C @ 6W
25°C @ 6W
52°C @ 6W
46°C @ 6W
40°C @ 6W
35°C @ 6W
Convection
Convection
Convection
Natural
Natural
Natural
Thermal Performance at Typical Load
CONVECTION CHARACTERISTICS
Thermal Performance at Typical Load
CONVECTION CHARACTERISTICS
Thermal Performance at Typical Load
CONVECTION CHARACTERISTICS
NATURAL AND FORCED
NATURAL AND FORCED
NATURAL AND FORCED
TO-218, TO-220, TO-247
15-LEAD Multiwatt
TO-220, TO-247, TO-218
TO-220, TO-247, TO-218
3.7°C/W @ 200 LFM
3.3°C/W @ 200 LFM
2.9°C/W @ 200 LFM
2.7°C/W @ 200 LFM
3.7°C/W @ 200 LFM
3.3°C/W @ 200 LFM
2.9°C/W @ 200 LFM
2.7°C/W @ 200 LFM
3.1°C/W @ 200 LFM
2.8°C/W @ 200 LFM
2.5°C/W @ 200 LFM
2.2°C/W @ 200 LFM
Convection
Convection
Convection
Forced
Forced
Forced