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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 623 50 AL

    SK 623 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 623 50 AL

    Datasheet

    SK 623 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 6.850" (174.00mm) - 2.972" (75.50mm) 125W @ 105°C 0.23°C/W 0.84°C/W Aluminum -
    SK 155 75 SA

    SK 155 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 155 75 SA

    Datasheet

    SK 155 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 5.906" (150.00mm) - 1.969" (50.00mm) 116.67W @ 105°C 0.28°C/W 0.9°C/W Aluminum Black Anodized
    SK 155 75 ME

    SK 155 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 155 75 ME

    Datasheet

    SK 155 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 5.906" (150.00mm) - 1.969" (50.00mm) 106.06W @ 105°C 0.28°C/W 0.99°C/W Aluminum Natural Anodized
    SK 588 150 AL

    SK 588 150 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 588 150 AL

    Datasheet

    SK 588 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 5.906" (150.00mm) - 1.555" (39.50mm) 103.96W @ 105°C 0.28°C/W 1.01°C/W Aluminum -
    SK 490 1000 AL

    SK 490 1000 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 490 1000 AL

    Datasheet

    SK 490 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 1.969" (50.00mm) - 0.433" (11.00mm) 15.53W @ 80°C 1.43°C/W 5.15°C/W Aluminum -
    SK 627 50 AL

    SK 627 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 627 50 AL

    Datasheet

    SK 627 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 6.299" (160.00mm) - 3.228" (82.00mm) 141.89W @ 105°C 0.2°C/W 0.74°C/W Aluminum -
    SK 179 1000 AL

    SK 179 1000 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 179 1000 AL

    Datasheet

    SK 179 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 1.500" (38.10mm) - 0.650" (16.50mm) 14.29W @ 80°C 1.55°C/W 5.6°C/W Aluminum -
    SK 629 100 SA

    SK 629 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 629 100 SA

    Datasheet

    SK 629 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 7.402" (188.00mm) - 1.181" (30.00mm) 83.33W @ 105°C 0.39°C/W 1.26°C/W Aluminum Black Anodized
    SK 629 100 ME

    SK 629 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 629 100 ME

    Datasheet

    SK 629 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 7.402" (188.00mm) - 1.181" (30.00mm) 75.54W @ 105°C 0.39°C/W 1.39°C/W Aluminum Natural Anodized
    SK 124 150 SA

    SK 124 150 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 124 150 SA

    Datasheet

    SK 124 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 5.512" (140.00mm) - 1.299" (33.00mm) 70W @ 105°C 0.46°C/W 1.5°C/W Aluminum Black Anodized
    SK 124 150 ME

    SK 124 150 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 124 150 ME

    Datasheet

    SK 124 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 5.512" (140.00mm) - 1.299" (33.00mm) 63.64W @ 105°C 0.46°C/W 1.65°C/W Aluminum Natural Anodized
    SK 85 100 ME

    SK 85 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 85 100 ME

    Datasheet

    SK 85 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 6.299" (160.00mm) - 1.575" (40.00mm) 83.33W @ 105°C 0.36°C/W 1.26°C/W Aluminum Natural Anodized
    SK 85 100 SA

    SK 85 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 85 100 SA

    Datasheet

    SK 85 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 6.299" (160.00mm) - 1.575" (40.00mm) 91.3W @ 105°C 0.36°C/W 1.15°C/W Aluminum Black Anodized
    SK 645 100 SA

    SK 645 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 645 100 SA

    Datasheet

    SK 645 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 3.740" (95.00mm) - 2.756" (70.00mm) 51.61W @ 80°C 0.48°C/W 1.55°C/W Aluminum Black Anodized
    SK 645 100 ME

    SK 645 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 645 100 ME

    Datasheet

    SK 645 - Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 3.740" (95.00mm) - 2.756" (70.00mm) 46.78W @ 80°C 0.48°C/W 1.71°C/W Aluminum Natural Anodized
    SK 90 100 SA

    SK 90 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 90 100 SA

    Datasheet

    SK 90 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 7.480" (190.00mm) - 1.969" (50.00mm) 131.25W @ 105°C 0.25°C/W 0.8°C/W Aluminum Black Anodized
    SK 682 100 ME

    SK 682 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 682 100 ME

    Datasheet

    SK 682 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 11.276" (286.40mm) - 0.787" (20.00mm) 90.52W @ 105°C 0.33°C/W 1.16°C/W Aluminum Natural Anodized
    SK 682 100 SA

    SK 682 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 682 100 SA

    Datasheet

    SK 682 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 11.276" (286.40mm) - 0.787" (20.00mm) 100W @ 105°C 0.33°C/W 1.05°C/W Aluminum Black Anodized
    SK 90 100 ME

    SK 90 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 90 100 ME

    Datasheet

    SK 90 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 7.480" (190.00mm) - 1.969" (50.00mm) 119.32W @ 105°C 0.25°C/W 0.88°C/W Aluminum Natural Anodized
    SK 47 100 AL

    SK 47 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 47 100 AL

    Datasheet

    SK 47 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 7.784" (200.00mm) - 1.575" (40.00mm) 110.53W @ 105°C 0.26°C/W 0.95°C/W Aluminum -
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