421-K
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421-K
421K
421K

421K

DigiKey Part Number
345-1049-ND
Manufacturer
Wakefield Thermal Solutions
Manufacturer Product Number
421K
Description
HEATSINK POWER NO MNT HOLES BLK
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Heat Sink TO-3, DO-5, Stud Mount Aluminum 50.0W @ 58°C Board Level
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Wakefield Thermal Solutions
Series
421
Packaging
Bulk
Part Status
Active
Type
Board Level
Package Cooled
TO-3, DO-5, Stud Mount
Attachment Method
Press Fit
Shape
Rectangular, Fins
Length
3.000" (76.20mm)
Width
4.750" (120.65mm)
Diameter
-
Fin Height
2.625" (66.67mm)
Power Dissipation @ Temperature Rise
50.0W @ 58°C
Thermal Resistance @ Forced Air Flow
0.70°C/W @ 250 LFM
Thermal Resistance @ Natural
1.16°C/W
Material
Aluminum
Material Finish
Black Anodized
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In-Stock: 300
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Quantity
All prices are in CAD
Bulk
QuantityUnit PriceExt Price
1$16.45000$16.45
10$14.55600$145.56
25$13.86480$346.62
75$13.07867$980.90
150$12.60500$1,890.75
300$12.14810$3,644.43
525$11.79105$6,190.30
1,050$11.36275$11,930.89
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