



421K | |
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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 |
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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 |
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1 | £7.73000 | £7.73 |
10 | £6.84300 | £68.43 |
25 | £6.51840 | £162.96 |
75 | £6.14880 | £461.16 |
150 | £5.92613 | £888.92 |
300 | £5.71130 | £1,713.39 |
525 | £5.54343 | £2,910.30 |
1,050 | £5.34207 | £5,609.17 |
Unit Price without VAT: | £7.73000 |
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Unit Price with VAT: | £9.27600 |