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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 625 50 AL

    SK 625 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 625 50 AL

    Datasheet

    SK 625 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 4.724" (120.00mm) - 1.339" (34.00mm) 53.85W @ 105°C 0.54°C/W 1.95°C/W Aluminum -
    SK 646 1000 ME

    SK 646 1000 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 646 1000 ME

    Datasheet

    SK 646 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.6W @ 80°C 8.68°C/W 30.8°C/W Aluminum Natural Anodized
    SK 646 1000 SA

    SK 646 1000 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 646 1000 SA

    Datasheet

    SK 646 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.86W @ 80°C 8.68°C/W 28°C/W Aluminum Black Anodized
    SK 666 100 SA

    SK 666 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 666 100 SA

    Datasheet

    SK 666 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.890" (48.00mm) - 1.575" (40.00mm) 28.57W @ 80°C 0.87°C/W 2.8°C/W Aluminum Black Anodized
    SK 666 100 ME

    SK 666 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 666 100 ME

    Datasheet

    SK 666 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.890" (48.00mm) - 1.575" (40.00mm) 25.97W @ 80°C 0.87°C/W 3.08°C/W Aluminum Natural Anodized
    SK DC 2 1 76 SA

    SK DC 2 1 76 SA

    Extruded Heatsink for DC/DC Conv

    Fischer Elektronik

    1,000
    RFQ
    SK DC 2 1 76 SA

    Datasheet

    SK DC Bulk Active Board Level, Extrusion - - Rectangular 3.000" (76.20mm) 2.000" (50.80mm) - 0.315" (8.00mm) 15.09W @ 80°C 1.6°C/W 5.3°C/W Aluminum Black Anodized
    SK 172 75 SA

    SK 172 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 172 75 SA

    Datasheet

    SK 172 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 3.780" (96.00mm) - 1.614" (41.00mm) 51.61W @ 80°C 0.48°C/W 1.55°C/W Aluminum Black Anodized
    SK 172 75 ME

    SK 172 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 172 75 ME

    Datasheet

    SK 172 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 3.780" (96.00mm) - 1.614" (41.00mm) 46.78W @ 80°C 0.48°C/W 1.71°C/W Aluminum Natural Anodized
    SK 53 50 SA

    SK 53 50 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 53 50 SA

    Datasheet

    SK 53 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 7.079" (179.80mm) - 1.890" (48.00mm) 131.25W @ 105°C 0.25°C/W 0.8°C/W Aluminum Black Anodized
    SK 53 50 ME

    SK 53 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 53 50 ME

    Datasheet

    SK 53 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 7.079" (179.80mm) - 1.890" (48.00mm) 119.32W @ 105°C 0.25°C/W 0.88°C/W Aluminum Natural Anodized
    SK 470 1000 ME

    SK 470 1000 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 470 1000 ME

    Datasheet

    SK 470 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 0.465" (11.80mm) - 0.315" (8.00mm) 3.67W @ 80°C 6.14°C/W 21.78°C/W Aluminum Natural Anodized
    SK 470 1000 SA

    SK 470 1000 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 470 1000 SA

    Datasheet

    SK 470 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 0.465" (11.80mm) - 0.315" (8.00mm) 4.04W @ 80°C 6.14°C/W 19.8°C/W Aluminum Black Anodized
    SK 649 150 ME

    SK 649 150 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 649 150 ME

    Datasheet

    SK 649 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 2.441" (62.00mm) - 0.827" (21.00mm) 19.42W @ 80°C 1.16°C/W 4.12°C/W Aluminum Natural Anodized
    SK 649 150 SA

    SK 649 150 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 649 150 SA

    Datasheet

    SK 649 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 2.441" (62.00mm) - 0.827" (21.00mm) 21.33W @ 80°C 1.16°C/W 3.75°C/W Aluminum Black Anodized
    SK 80 75 SA 2 x CB SOT 32

    SK 80 75 SA 2 x CB SOT 32

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 80 75 SA 2 x CB SOT 32

    Datasheet

    SK 80 Bulk Active Board Level, Extrusion SOT-32 - Rectangular 2.953" (75.00mm) 7.047" (179.00mm) - 0.787" (20.00mm) 84W @ 105°C 0.39°C/W 1.25°C/W Aluminum Black Anodized
    SK 80 75 SA 2 x TO 3

    SK 80 75 SA 2 x TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 80 75 SA 2 x TO 3

    Datasheet

    SK 80 Bulk Active Board Level, Extrusion TO-3 - Rectangular 2.953" (75.00mm) 7.047" (179.00mm) - 0.787" (20.00mm) 84W @ 105°C 0.39°C/W 1.25°C/W Aluminum Black Anodized
    SK 80 75 SA 2 x CB TO 3

    SK 80 75 SA 2 x CB TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 80 75 SA 2 x CB TO 3

    Datasheet

    SK 80 Bulk Active Board Level, Extrusion TO-3 - Rectangular 2.953" (75.00mm) 7.047" (179.00mm) - 0.787" (20.00mm) 84W @ 105°C 0.39°C/W 1.25°C/W Aluminum Black Anodized
    SK 80 75 ME 2 x CB TO 66

    SK 80 75 ME 2 x CB TO 66

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 80 75 ME 2 x CB TO 66

    Datasheet

    SK 80 Bulk Active Board Level, Extrusion TO-66 - Rectangular 2.953" (75.00mm) 7.047" (179.00mm) - 0.787" (20.00mm) 76.09W @ 105°C 0.39°C/W 1.38°C/W Aluminum Natural Anodized
    SK 80 75 SA 2 x CB SOT 9

    SK 80 75 SA 2 x CB SOT 9

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 80 75 SA 2 x CB SOT 9

    Datasheet

    SK 80 Bulk Active Board Level, Extrusion SOT-9 - Rectangular 2.953" (75.00mm) 7.047" (179.00mm) - 0.787" (20.00mm) 84W @ 105°C 0.39°C/W 1.25°C/W Aluminum Black Anodized
    SK 80 75 ME 2 x TO 3

    SK 80 75 ME 2 x TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 80 75 ME 2 x TO 3

    Datasheet

    SK 80 Bulk Active Board Level, Extrusion TO-3 - Rectangular 2.953" (75.00mm) 7.047" (179.00mm) - 0.787" (20.00mm) 76.09W @ 105°C 0.39°C/W 1.38°C/W Aluminum Natural Anodized
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