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    Manufacturer 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 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    Photo Mfr. Part # Availability Price 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
    SK 126 37,5 STS TO 220

    SK 126 37,5 STS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 126 37,5 STS TO 220

    Datasheet

    SK 126 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 1.476" (37.50mm) 1.358" (34.50mm) - 0.500" (12.70mm) 8.42W @ 80°C 2.94°C/W 9.5°C/W Aluminum Black Anodized
    SK 126 37,5 STS TO 220 TO 247

    SK 126 37,5 STS TO 220 TO 247

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 126 37,5 STS TO 220 TO 247

    Datasheet

    SK 126 Bulk Active Board Level, Extrusion TO-247 Screw Rectangular 1.476" (37.50mm) 1.358" (34.50mm) - 0.500" (12.70mm) 8.42W @ 80°C 2.94°C/W 9.5°C/W Aluminum Black Anodized
    SK 484 25 TO 3 P

    SK 484 25 TO 3 P

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 484 25 TO 3 P

    Datasheet

    SK 484 Bulk Active Board Level, Extrusion TO-3-P Clip Rectangular 0.984" (25.00mm) 3.913" (99.40mm) - 0.453" (11.50mm) 13.33W @ 80°C - 6.0°C/W Aluminum -
    SK 145 30 STC TO 248

    SK 145 30 STC TO 248

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 145 30 STC TO 248

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-248 Clip Rectangular 1.181" (30.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 6.45W @ 80°C 3.84°C/W 12.4°C/W Aluminum Black Anodized
    SK 484 25 TO 218

    SK 484 25 TO 218

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 484 25 TO 218

    Datasheet

    SK 484 Bulk Active Board Level, Extrusion TO-218 Clip Rectangular 0.984" (25.00mm) 3.913" (99.40mm) - 0.453" (11.50mm) 13.33W @ 80°C - 6.0°C/W Aluminum -
    SK 145 30 STC TO 247

    SK 145 30 STC TO 247

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 145 30 STC TO 247

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-247 Clip Rectangular 1.181" (30.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 6.45W @ 80°C 3.84°C/W 12.4°C/W Aluminum Black Anodized
    SK 145 30 STC TO 218

    SK 145 30 STC TO 218

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 145 30 STC TO 218

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-218 Clip Rectangular 1.181" (30.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 6.45W @ 80°C 3.84°C/W 12.4°C/W Aluminum Black Anodized
    SK 484 25 TO 247

    SK 484 25 TO 247

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 484 25 TO 247

    Datasheet

    SK 484 Bulk Active Board Level, Extrusion TO-247 Clip Rectangular 0.984" (25.00mm) 3.913" (99.40mm) - 0.453" (11.50mm) 13.33W @ 80°C - 6.0°C/W Aluminum -
    SK 484 25 TO 220

    SK 484 25 TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 484 25 TO 220

    Datasheet

    SK 484 Bulk Active Board Level, Extrusion TO-220 Clip Rectangular 0.984" (25.00mm) 3.913" (99.40mm) - 0.453" (11.50mm) 13.33W @ 80°C - 6.0°C/W Aluminum -
    SK 145 30 STC TO 220

    SK 145 30 STC TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 145 30 STC TO 220

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-220 Clip Rectangular 1.181" (30.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 6.45W @ 80°C 3.84°C/W 12.4°C/W Aluminum Black Anodized
    SK 484 25 TO 264

    SK 484 25 TO 264

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 484 25 TO 264

    Datasheet

    SK 484 Bulk Active Board Level, Extrusion TO-264 Clip Rectangular 0.984" (25.00mm) 3.913" (99.40mm) - 0.453" (11.50mm) 13.33W @ 80°C - 6.0°C/W Aluminum -
    FK 255 TO 220

    FK 255 TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 255 TO 220

    Datasheet

    FK 255 Bulk Active Board Level TO-220 Clip Rectangular 0.750" (19.05mm) 0.976" (24.80mm) - - 4.8W - 16.80°C/W Aluminum -
    SK 664 37,5 AL

    SK 664 37,5 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 664 37,5 AL

    Datasheet

    SK 664 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 2.362" (60.00mm) 22.32W @ 80°C 0.99°C/W 3.584°C/W Aluminum -
    SK 573 100 SA

    SK 573 100 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 573 100 SA

    Datasheet

    SK 573 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.984" (25.00mm) - 1.181" (30.00mm) 20W @ 80°C 1.24°C/W 4°C/W Aluminum Black Anodized
    SK 573 100 ME

    SK 573 100 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 573 100 ME

    Datasheet

    SK 573 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.984" (25.00mm) - 1.181" (30.00mm) 18.18W @ 80°C 1.24°C/W 4.4°C/W Aluminum Natural Anodized
    SK 495 100 AL

    SK 495 100 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 495 100 AL

    Datasheet

    SK 495 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.881" (47.79mm) - 1.299" (33.00mm) 23.81W @ 80°C 0.93°C/W 3.36°C/W Aluminum -
    SK 490 100 AL

    SK 490 100 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 490 100 AL

    Datasheet

    SK 490 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.969" (50.00mm) - 0.433" (11.00mm) 15.53W @ 80°C 1.43°C/W 5.15°C/W Aluminum -
    SK 487 75 AL

    SK 487 75 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 487 75 AL

    Datasheet

    SK 487 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.969" (50.00mm) - 1.102" (28.00mm) 25.48W @ 80°C 0.87°C/W 3.14°C/W Aluminum -
    SK 481 84 AL

    SK 481 84 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 481 84 AL

    Datasheet

    SK 481 Bulk Active Board Level, Extrusion - - Rectangular 3.307" (84.00mm) 1.181" (30.00mm) - 1.772" (45.00mm) 21.62W @ 80°C 1.02°C/W 3.7°C/W Aluminum -
    SK 648 75 AL

    SK 648 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 648 75 AL

    Datasheet

    SK 648 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.835" (72.00mm) - 0.354" (9.00mm) 17.86W @ 80°C 1.24°C/W 4.48°C/W Aluminum -
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