



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 |
cms-datasheet | cms-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 | cms-unit-price | Ext Price |
|---|---|---|
| 1 | €17.33000 | €17.33 |
| 10 | €15.34300 | €153.43 |
| 25 | €14.61360 | €365.34 |
| 75 | €13.78400 | €1,033.80 |
| 150 | €13.28447 | €1,992.67 |
| 300 | €12.80233 | €3,840.70 |
| 525 | €12.42549 | €6,523.38 |
| Unit Price without VAT: | €17.33000 |
|---|---|
| Unit Price with VAT: | €20.79600 |



