



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 | $27.09000 | $27.09 |
| 10 | $23.97300 | $239.73 |
| 25 | $22.83400 | $570.85 |
| 75 | $21.53773 | $1,615.33 |
| 150 | $20.75727 | $3,113.59 |
| 300 | $20.00400 | $6,001.20 |
| 525 | $19.41507 | $10,192.91 |
| Unit Price without VAT: | $27.09000 |
|---|---|
| Unit Price with VAT: | $29.52810 |








