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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 Finish

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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 557 75 SA

    SK 557 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 557 75 SA

    Datasheet

    SK 557 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 8.504" (216.00mm) - 3.031 "(77.00mm) 210W @ 105°C 0.16°C/W 0.5°C/W Aluminum Black Anodized
    SK 102 100 AL

    SK 102 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 102 100 AL

    Datasheet

    SK 102 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 8.504" (216.00mm) - 3.268" (83.00mm) 205.88W @ 105°C 0.14°C/W 0.51°C/W Aluminum -
    SK 567 1000 ME

    SK 567 1000 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 567 1000 ME

    Datasheet

    SK 567 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 1.969" (50.00mm) - 0.984" (25.00mm) 21.39W @ 80°C 1.05°C/W 3.74°C/W Aluminum Natural Anodized
    SK 567 1000 SA

    SK 567 1000 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 567 1000 SA

    Datasheet

    SK 567 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 1.969" (50.00mm) - 0.984" (25.00mm) 23.53W @ 80°C 1.05°C/W 3.4°C/W Aluminum Black Anodized
    SK 479 150 AL

    SK 479 150 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 479 150 AL

    Datasheet

    SK 479 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 15.748" (400.00mm) - 1.575" (40.00mm) 218.75W @ 105°C 0.13°C/W 0.48°C/W Aluminum -
    SK 74 1000 AL

    SK 74 1000 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 74 1000 AL

    Datasheet

    SK 74 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 5.000" (127.00mm) - 0.866" (22.00mm) 49.3W @ 105°C 0.59°C/W 2.13°C/W Aluminum -
    SK 685 150 SA

    SK 685 150 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 685 150 SA

    Datasheet

    SK 685 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 14.961" (380.00mm) - 1.378" (35.00mm) 223.4W @ 105°C 0.15°C/W 0.47°C/W Aluminum Black Anodized
    SK 685 150 ME

    SK 685 150 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 685 150 ME

    Datasheet

    SK 685 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 14.961" (380.00mm) - 1.378" (35.00mm) 201.92W @ 105°C 0.15°C/W 0.52°C/W Aluminum Natural Anodized
    SK 623 100 ME

    SK 623 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 623 100 ME

    Datasheet

    SK 623 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 6.850" (174.00mm) - 2.972" (75.50mm) 128.05W @ 105°C 0.23°C/W 0.82°C/W Aluminum Natural Anodized
    SK 623 100 SA

    SK 623 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 623 100 SA

    Datasheet

    SK 623 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 6.850" (174.00mm) - 2.972" (75.50mm) 140W @ 105°C 0.23°C/W 0.75°C/W Aluminum Black Anodized
    SK 699 75 ME

    SK 699 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 699 75 ME

    Datasheet

    SK 699 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 11.811" (300.00mm) - 3.307" (84.00mm) 250W @ 105°C 0.12°C/W 0.42°C/W Aluminum Natural Anodized
    SK 699 75 SA

    SK 699 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 699 75 SA

    Datasheet

    SK 699 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 11.811" (300.00mm) - 3.307" (84.00mm) 272.73W @ 105°C 0.12°C/W 0.385°C/W Aluminum Black Anodized
    SK 651 100 ME

    SK 651 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 651 100 ME

    Datasheet

    SK 651 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 15.748" (400.00mm) - 1.654" (42.00mm) 238.64W @ 105°C 0.124°C/W 0.44°C/W Aluminum Natural Anodized
    SK 651 100 SA

    SK 651 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 651 100 SA

    Datasheet

    SK 651 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 15.748" (400.00mm) - 1.654" (42.00mm) 262.5W @ 105°C 0.124°C/W 0.4°C/W Aluminum Black Anodized
    KSK 4

    KSK 4

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    KSK 4

    Datasheet

    KSK 4 Bulk Active Board Level, Extrusion - - Rectangular 3.150" (80.00mm) 3.150" (80.00mm) - 2.559" 65.00mm) 61.54W @ 80°C 0.40°C/W 1.3°C/W Aluminum -
    SK 91 150 SA

    SK 91 150 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 91 150 SA

    Datasheet

    SK 91 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 9.843" (250.00mm) - 1.575" (40.00mm) 145.83W @ 105°C 0.22°C/W 0.72°C/W Aluminum Black Anodized
    SK 91 150 ME

    SK 91 150 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 91 150 ME

    Datasheet

    SK 91 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 9.843" (250.00mm) - 1.575" (40.00mm) 132.91W @ 105°C 0.22°C/W 0.79°C/W Aluminum Natural Anodized
    SK 640 1000 AL

    SK 640 1000 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 640 1000 AL

    Datasheet

    SK 640 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 1.181" (30.00mm) - 2.323" (59.00mm) 20.41W @ 80°C 1.08°C/W 3.92°C/W Aluminum -
    SK 45 1000 ME

    SK 45 1000 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 45 1000 ME

    Datasheet

    SK 45 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 3.110" (79.00mm) - 0.591" (15.00mm) 20.78W @ 80°C 1.08°C/W 3.85°C/W Aluminum Natural Anodized
    SK 45 1000 SA

    SK 45 1000 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 45 1000 SA

    Datasheet

    SK 45 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 3.110" (79.00mm) - 0.591" (15.00mm) 22.86W @ 80°C 1.08°C/W 3.5°C/W Aluminum Black Anodized
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