Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Type | Package Cooled | Attachment Method | Shape | Length | Width | Diameter | Fin Height | Power Dissipation @ Temperature Rise | Thermal Resistance @ Forced Air Flow | Thermal Resistance @ Natural | Material | Material Finish |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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SK 574 75 ALExtruded Heatsink for lock-in re |
1,000 |
|
- |
SK 574 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 2.953" (75.00mm) | 1.273" (32.34mm) | - | 1.102" (28.00mm) | 16.81W @ 80°C | 1.32°C/W | 4.76°C/W | Aluminum | - |
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SK 576 37,5 MEExtruded Heatsink for lock-in re |
1,000 |
|
![]() Datasheet |
SK 576 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.476" (37.50mm) | 0.984" (25.00mm) | - | 1.772" (45.00mm) | 17.32W @ 80°C | 1.3°C/W | 4.62°C/W | Aluminum | Natural Anodized |
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SK 490 50 ALExtruded Heatsink for lock-in re |
1,000 |
|
- |
SK 490 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.969" (50.00mm) | 1.969" (50.00mm) | - | 0.433" (11.00mm) | 15.53W @ 80°C | 1.43°C/W | 5.15°C/W | Aluminum | - |
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SK 637 37,5 ALExtruded Heatsink for lock-in re |
1,000 |
|
![]() Datasheet |
SK 637 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.476" (37.50mm) | 0.906" (23.00mm) | - | 1.496" (38.00mm) | 21W @ 80°C | 1.05°C/W | 3.81°C/W | Aluminum | - |
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SK 631 100 SAExtruded Heatsink |
1,000 |
|
![]() Datasheet |
SK 631 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.748" (19.00mm) | - | 0.236" (6.00mm) | 3.28W @ 80°C | 7.56°C/W | 24.4°C/W | Aluminum | Black Anodized |
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SK 634 50 MEExtruded Heatsink |
1,000 |
|
![]() Datasheet |
SK 634 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.969" (50.00mm) | 1.299" (33.00mm) | - | 0.236" (6.00mm) | 5.31W @ 80°C | 4.25°C/W | 15.07°C/W | Aluminum | Natural Anodized |
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SK 657 37,5 ALExtruded Heatsink |
1,000 |
|
- |
SK 657 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.476" (37.50mm) | 1.449" (36.80mm) | - | 0.984" (25.00mm) | 15.87W @ 80°C | 1.40°C/W | 5.04°C/W | Aluminum | - |
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SK 499 50 ALExtruded Heatsink for lock-in re |
1,000 |
|
- |
SK 499 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.969" (50.00mm) | 1.996" (50.70mm) | - | 1.260" (32.00mm) | 27.97W @ 80°C | 0.79°C/W | 2.86°C/W | Aluminum | - |
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SK 63 50 MEExtruded Heatsink |
1,000 |
|
![]() Datasheet |
SK 63 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.969" (50.00mm) | 2.559" 65.00mm) | - | 1.063" (27.00mm) | 29.09W @ 80°C | 0.78°C/W | 2.75°C/W | Aluminum | Natural Anodized |
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SK 551 100 SAExtruded Heatsink |
1,000 |
|
- |
SK 551 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.953" (24.20mm) | - | 0.484" (12.30mm) | 10.53W @ 80°C | 2.36°C/W | 7.6°C/W | Aluminum | Black Anodized |
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SK 688 100 SAExtruded Heatsink |
1,000 |
|
- |
SK 688 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.591" (15.00mm) | - | 0.236" (6.00mm) | 3.04W @ 80°C | 8.15°C/W | 26.3°C/W | Aluminum | Black Anodized |
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SK 633 50 SAExtruded Heatsink |
1,000 |
|
![]() Datasheet |
SK 633 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.969" (50.00mm) | 0.748" (19.00mm) | - | 0.551" (14.00mm) | 5.37W @ 80°C | 4.62°C/W | 14.9°C/W | Aluminum | Black Anodized |
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SK 633 50 MEExtruded Heatsink |
1,000 |
|
![]() Datasheet |
SK 633 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.969" (50.00mm) | 0.748" (19.00mm) | - | 0.551" (14.00mm) | 4.88W @ 80°C | 4.62°C/W | 16.39°C/W | Aluminum | Natural Anodized |
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SK 546 75 ALExtruded Heatsink |
1,000 |
|
- |
SK 546 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 2.953" (75.00mm) | 3.937" (100.00mm) | - | 0.394" (10.00mm) | 21.62W @ 80°C | 1.02°C/W | 3.7°C/W | Aluminum | - |
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SK 688 100 MEExtruded Heatsink |
1,000 |
|
- |
SK 688 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.591" (15.00mm) | - | 0.236" (6.00mm) | 2.77W @ 80°C | 8.15°C/W | 28.93°C/W | Aluminum | Natural Anodized |
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SK 521 100 MEExtruded Heatsink |
1,000 |
|
- |
SK 521 | - | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.602" (15.30mm) | - | 0.315" (8.00mm) | 3.48W @ 80°C | 6.48°C/W | 22.99°C/W | Aluminum | Natural Anodized |
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SK 521 100 SAExtruded Heatsink |
1,000 |
|
- |
SK 521 | - | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.602" (15.30mm) | - | 0.315" (8.00mm) | 3.83W @ 80°C | 6.48°C/W | 20.9°C/W | Aluminum | Black Anodized |
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SK 454 100 MEExtruded Heatsink |
1,000 |
|
- |
SK 454 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 3.937" (100.00mm) | 0.844" (21.45mm) | - | 0.748" (19.00mm) | 10.7W @ 80°C | 2.11°C/W | 7.48°C/W | Aluminum | Natural Anodized |
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SK 653 37,5 SAExtruded Heatsink |
1,000 |
|
- |
SK 653 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 1.476" (37.50mm) | 0.827" (21.00mm) | - | 0.551" (14.00mm) | 5.67W @ 80°C | 4.37°C/W | 14.1°C/W | Aluminum | Black Anodized |
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SK 639 25 ALExtruded Heatsink for lock-in re |
1,000 |
|
![]() Datasheet |
SK 639 | Bulk | Active | Board Level, Extrusion | - | - | Rectangular | 0.984" (25.00mm) | 1.181" (30.00mm) | - | 1.772" (45.00mm) | 20.73W @ 80°C | 1.07°C/W | 3.86°C/W | Aluminum | - |