421-K
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421-K
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
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In-Stock: 300
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All prices are in TWD
Bulk
QuantityUnit PriceExt Price
1NT$362.00000NT$362
10NT$320.60000NT$3,206
25NT$305.40000NT$7,635
75NT$288.08000NT$21,606
150NT$277.64667NT$41,647
300NT$267.58333NT$80,275
525NT$259.71810NT$136,352
1,050NT$250.28381NT$262,798
Manufacturers Standard Package