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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 |
Product Attributes
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Category | Length 3.000" (76.20mm) |
Mfr | Width 4.750" (120.65mm) |
Series | Fin Height 2.625" (66.67mm) |
Packaging Bulk | Power Dissipation @ Temperature Rise 50.0W @ 58°C |
Part Status Active | Thermal Resistance @ Forced Air Flow 0.70°C/W @ 250 LFM |
Type Board Level | Thermal Resistance @ Natural 1.16°C/W |
Package Cooled | Material |
Attachment Method Press Fit | Material Finish Black Anodized |
Shape Rectangular, Fins |
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In-Stock: 0
75 estimated in stock on 04-Dec-2026
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Quantity
All prices are in USD
Bulk
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $10.35000 | $10.35 |
| 10 | $9.16100 | $91.61 |
| 25 | $8.72600 | $218.15 |
| 75 | $8.23133 | $617.35 |
| 150 | $7.93320 | $1,189.98 |
| 300 | $7.64563 | $2,293.69 |
| 525 | $7.42091 | $3,895.98 |
| 1,050 | $7.15136 | $7,508.93 |
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