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    Heat Sinks

    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 554 1000 AL

    SK 554 1000 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 554 1000 AL

    Datasheet

    SK 554 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 1.063" (27.00mm) - 0.394" (10.00mm) 9.28W @ 80°C 2.39°C/W 8.62°C/W Aluminum -
    SK 649 150 AL

    SK 649 150 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 649 150 AL

    Datasheet

    SK 649 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 2.441" (62.00mm) - 0.827" (21.00mm) 19.05W @ 80°C 1.16°C/W 4.2°C/W Aluminum -
    SK 464 75 AL

    SK 464 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 464 75 AL

    Datasheet

    SK 464 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 3.307" (84.00mm) - 1.567" (39.80mm) 45.98W @ 80°C 0.48°C/W 1.74°C/W Aluminum -
    SK 92 50 ME

    SK 92 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 92 50 ME

    Datasheet

    SK 92 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 3.937" (100.00mm) - 1.575" (40.00mm) 57.97W @ 80°C 0.39°C/W 1.38°C/W Aluminum Natural Anodized
    SK 92 50 SA

    SK 92 50 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 92 50 SA

    Datasheet

    SK 92 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 3.937" (100.00mm) - 1.575" (40.00mm) 64W @ 80°C 0.39°C/W 1.25°C/W Aluminum Black Anodized
    SK 664 75 SA

    SK 664 75 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 664 75 SA

    Datasheet

    SK 664 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.575" (40.00mm) - 2.362" (60.00mm) 25W @ 80°C 0.99°C/W 3.2°C/W Aluminum Black Anodized
    SK 518 75 GS TO 220

    SK 518 75 GS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 518 75 GS TO 220

    Datasheet

    SK 518 - Active Board Level, Extrusion TO-220 Screw Rectangular 2.953" (75.00mm) 1.181" (30.00mm) - 1.772" (45.00mm) 24.24W @ 80°C 1.02°C/W 3.3°C/W Aluminum Black Anodized
    SK 664 75 ME

    SK 664 75 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 664 75 ME

    Datasheet

    SK 664 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.575" (40.00mm) - 2.362" (60.00mm) 22.73W @ 80°C 0.99°C/W 3.52°C/W Aluminum Natural Anodized
    SK 20 75 AL TO 3

    SK 20 75 AL TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 20 75 AL TO 3

    Datasheet

    SK 20 Bulk Active Board Level, Extrusion TO-3 - Rectangular 2.953" (75.00mm) 3.937" (100.00mm) - 1.102" (28.00mm) 40.82W @ 80°C 0.54°C/W 1.96°C/W Aluminum -
    SK 20 75 AL CB SOT 9

    SK 20 75 AL CB SOT 9

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 20 75 AL CB SOT 9

    Datasheet

    SK 20 Bulk Active Board Level, Extrusion SOT-9 - Rectangular 2.953" (75.00mm) 3.937" (100.00mm) - 1.102" (28.00mm) 40.82W @ 80°C 0.54°C/W 1.96°C/W Aluminum -
    SK 630 150 ME

    SK 630 150 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 630 150 ME

    Datasheet

    SK 630 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 2.350" (59.69mm) - 0.591" (15.00mm) 14.55W @ 80°C 1.55°C/W 5.5°C/W Aluminum Natural Anodized
    SK 20 75 AL CB TO 3

    SK 20 75 AL CB TO 3

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 20 75 AL CB TO 3

    Datasheet

    SK 20 Bulk Active Board Level, Extrusion TO-3 - Rectangular 2.953" (75.00mm) 3.937" (100.00mm) - 1.102" (28.00mm) 40.82W @ 80°C 0.54°C/W 1.96°C/W Aluminum -
    SK 20 75 AL CB TO 66

    SK 20 75 AL CB TO 66

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 20 75 AL CB TO 66

    Datasheet

    SK 20 Bulk Active Board Level, Extrusion TO-66 - Rectangular 2.953" (75.00mm) 3.937" (100.00mm) - 1.102" (28.00mm) 40.82W @ 80°C 0.54°C/W 1.96°C/W Aluminum -
    SK 630 150 SA

    SK 630 150 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 630 150 SA

    Datasheet

    SK 630 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 2.350" (59.69mm) - 0.591" (15.00mm) 16W @ 80°C 1.55°C/W 5°C/W Aluminum Black Anodized
    SK 670 100 ME

    SK 670 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 670 100 ME

    Datasheet

    SK 670 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.787" (20.00mm) - 2.283" (58.00mm) 19.14W @ 80°C 1.18°C/W 4.18°C/W Aluminum Natural Anodized
    SK 20 75 AL CB SOT 32

    SK 20 75 AL CB SOT 32

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 20 75 AL CB SOT 32

    Datasheet

    SK 20 Bulk Active Board Level, Extrusion SOT-32 - Rectangular 2.953" (75.00mm) 3.937" (100.00mm) - 1.102" (28.00mm) 40.82W @ 80°C 0.54°C/W 1.96°C/W Aluminum -
    SK 670 100 SA

    SK 670 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 670 100 SA

    Datasheet

    SK 670 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.787" (20.00mm) - 2.283" (58.00mm) 21.05W @ 80°C 1.18°C/W 3.8°C/W Aluminum Black Anodized
    SK 136 75 AL

    SK 136 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 136 75 AL

    Datasheet

    SK 136 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 7.784" (200.00mm) - 0.591" (15.00mm) 75W @ 105°C 0.39°C/W 1.4°C/W Aluminum -
    SK 617 37,5 SA

    SK 617 37,5 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 617 37,5 SA

    Datasheet

    SK 617 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.972" (75.50mm) - 2.591" (65.80mm) 30.77W @ 80°C 0.81°C/W 2.6°C/W Aluminum Black Anodized
    SK 617 37,5 ME

    SK 617 37,5 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 617 37,5 ME

    Datasheet

    SK 617 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.972" (75.50mm) - 2.591" (65.80mm) 27.97W @ 80°C 0.81°C/W 2.86°C/W Aluminum Natural Anodized
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