Heat Sink TO-3, DO-5, Stud Mount Aluminum 50.0W @ 58°C Board Level
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Heat Sink TO-3, DO-5, Stud Mount Aluminum 50.0W @ 58°C Board Level
421K
421K

421K

DigiKey Part Number
345-1049-ND
Manufacturer
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
Series
Packaging
Bulk
Part Status
Active
Type
Board Level
Package Cooled
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
Material Finish
Black Anodized
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

0 In Stock
Check Lead Time
Request Stock Notification
All prices are in HUF
Bulk
QuantityUnit PriceExt Price
16 596,50000 Ft6 596,50 Ft
105 837,65200 Ft58 376,52 Ft
255 560,29840 Ft139 007,46 Ft
755 244,69067 Ft393 351,80 Ft
1505 054,62240 Ft758 193,36 Ft
3004 871,20073 Ft1 461 360,22 Ft
5254 727,78590 Ft2 482 087,60 Ft
Manufacturers Standard Package
Unit Price without VAT:6 596,50000 Ft
Unit Price with VAT:8 377,55500 Ft