



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 |
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 |
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | NT$362.00000 | NT$362 |
| 10 | NT$320.60000 | NT$3,206 |
| 25 | NT$305.40000 | NT$7,635 |
| 75 | NT$288.08000 | NT$21,606 |
| 150 | NT$277.64667 | NT$41,647 |
| 300 | NT$267.58333 | NT$80,275 |
| 525 | NT$259.71810 | NT$136,352 |
| 1,050 | NT$250.28381 | NT$262,798 |




