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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 499 50 ME

    SK 499 50 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 499 50 ME

    Datasheet

    SK 499 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.996" (50.70mm) - 1.260" (32.00mm) 28.57W @ 80°C 0.79°C/W 2.8°C/W Aluminum Natural Anodized
    SK 409 63,5 STIS TO 220

    SK 409 63,5 STIS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 409 63,5 STIS TO 220

    Datasheet

    SK 409 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 2.500" (63.50mm) 1.772" (45.00mm) - 0.500" (12.70mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
    SK 468 75 SA

    SK 468 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 468 75 SA

    Datasheet

    SK 468 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.008" (51.00mm) - 0.484" (12.30mm) 15.84W @ 80°C 1.57°C/W 5.05°C/W Aluminum Black Anodized
    SK 637 84 AL

    SK 637 84 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 637 84 AL

    Datasheet

    SK 637 Bulk Active Board Level, Extrusion - - Rectangular 3.307" (84.00mm) 0.906" (23.00mm) - 1.496" (38.00mm) 21W @ 80°C 1.05°C/W 3.81°C/W Aluminum -
    SK 490 50 ME

    SK 490 50 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 490 50 ME

    Datasheet

    SK 490 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.433" (11.00mm) 15.81W @ 80°C 1.43°C/W 5.06°C/W Aluminum Natural Anodized
    SK 490 50 SA

    SK 490 50 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 490 50 SA

    Datasheet

    SK 490 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.433" (11.00mm) 17.39W @ 80°C 1.43°C/W 4.6°C/W Aluminum Black Anodized
    SK 409 63,5 STIC TO 3 P

    SK 409 63,5 STIC TO 3 P

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 409 63,5 STIC TO 3 P

    Datasheet

    SK 409 Bulk Active Board Level, Extrusion TO-3-P Clip Rectangular 2.500" (63.50mm) 1.772" (45.00mm) - 0.500" (12.70mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
    SK 31 50 AL TO 3

    SK 31 50 AL TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 31 50 AL TO 3

    Datasheet

    SK 31 Bulk Active Board Level, Extrusion TO-3 - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.472" (12.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 31 50 AL CB TO 3

    SK 31 50 AL CB TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 31 50 AL CB TO 3

    Datasheet

    SK 31 Bulk Active Board Level, Extrusion TO-3 - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.472" (12.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 31 50 AL CB SOT 32

    SK 31 50 AL CB SOT 32

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 31 50 AL CB SOT 32

    Datasheet

    SK 31 Bulk Active Board Level, Extrusion SOT-32 - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.472" (12.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 31 50 AL CB SOT 9

    SK 31 50 AL CB SOT 9

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 31 50 AL CB SOT 9

    Datasheet

    SK 31 Bulk Active Board Level, Extrusion SOT-9 - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.472" (12.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 31 50 AL CB TO 66

    SK 31 50 AL CB TO 66

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 31 50 AL CB TO 66

    Datasheet

    SK 31 Bulk Active Board Level, Extrusion TO-66 - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.472" (12.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SAR110ASX70MM

    SAR110ASX70MM

    EXTRUDED HEATSINK 78X70MM

    Sarnikon

    500
    RFQ
    SAR110ASX70MM

    Datasheet

    110AS Bulk Active Top Mount - Thermal Tape, Adhesive Rectangular, Fins 2.756" (70.00mm) 3.071" (78.00mm) - 0.787" (20.00mm) - - - Aluminum Black Anodized
    SK 451 50 ME

    SK 451 50 ME

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 451 50 ME

    Datasheet

    SK 451 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 1.102" (28.00mm) 15.81W @ 80°C 1.43°C/W 5.06°C/W Aluminum Natural Anodized
    SK 451 50 SA

    SK 451 50 SA

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 451 50 SA

    Datasheet

    SK 451 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 1.102" (28.00mm) 17.39W @ 80°C 1.43°C/W 4.6°C/W Aluminum Black Anodized
    SK 635 100 ME

    SK 635 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 635 100 ME

    Datasheet

    SK 635 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.299" (33.00mm) - 0.394" (10.00mm) 5.59W @ 80°C 4.03°C/W 14.3°C/W Aluminum Natural Anodized
    SK 444 50 SA

    SK 444 50 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 444 50 SA

    Datasheet

    SK 444 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.460" (62.50mm) - 0.787" (20.00mm) 21.62W @ 80°C 1.15°C/W 3.7°C/W Aluminum Black Anodized
    SK 444 50 ME

    SK 444 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 444 50 ME

    Datasheet

    SK 444 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.460" (62.50mm) - 0.787" (20.00mm) 19.66W @ 80°C 1.15°C/W 4.07°C/W Aluminum Natural Anodized
    SK 45 37,5 SA

    SK 45 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 45 37,5 SA

    Datasheet

    SK 45 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 3.110" (79.00mm) - 0.591" (15.00mm) 22.86W @ 80°C 1.08°C/W 3.5°C/W Aluminum Black Anodized
    SK 189 75 AL

    SK 189 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 189 75 AL

    Datasheet

    SK 189 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.634" (41.50mm) - 1.339" (34.00mm) 24.62W @ 80°C 0.9°C/W 3.25°C/W Aluminum -
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