413A
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

423A

DigiKey Part Number
423A-ND
Manufacturer
Manufacturer Product Number
423A
Description
HEATSINK POWER TO-3
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Heat Sink TO-3, DO-5, Stud Mount Aluminum 50.0W @ 47°C Board Level, Extrusion
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Series
Packaging
Bulk
Part Status
Active
Type
Board Level, Extrusion
Package Cooled
Attachment Method
Press Fit
Shape
Rectangular, Fins
Length
5.500" (139.70mm)
Width
4.750" (120.65mm)
Diameter
-
Fin Height
2.625" (66.67mm)
Power Dissipation @ Temperature Rise
50.0W @ 47°C
Thermal Resistance @ Forced Air Flow
0.50°C/W @ 250 LFM
Thermal Resistance @ Natural
0.96°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

Available To Order
Check Lead Time
This product is not kept in stock at DigiKey. The lead time shown will apply to the manufacturer’s shipment to DigiKey. Upon receiving the product, DigiKey will ship to fill open orders.
All prices are in ZAR
Bulk
QuantityUnit PriceExt Price
50R347,22740R17 361,37
Manufacturers Standard Package