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 NZD
Bulk
QuantityUnit PriceExt Price
1$19.26000$19.26
10$17.04600$170.46
25$16.23680$405.92
75$15.31627$1,148.72
150$14.76153$2,214.23
300$14.22647$4,267.94
525$13.80832$7,249.37
1,050$13.30675$13,972.09
Manufacturers Standard Package
Unit Price without GST:$19.26000
Unit Price with GST:$22.14900
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