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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 688 50 AL

    SK 688 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 688 50 AL

    Datasheet

    SK 688 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.591" (15.00mm) - 0.236" (6.00mm) 2.72W @ 80°C 8.15°C/W 29.46°C/W Aluminum -
    SK 01 37,5 AL

    SK 01 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 01 37,5 AL

    Datasheet

    SK 01 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 4.520" (114.80mm) - 1.024" (26.00mm) 37.5W @ 105°C 0.78°C/W 2.8°C/W Aluminum -
    SK 09 50 ME

    SK 09 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 09 50 ME

    Datasheet

    SK 09 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.142" (29.00mm) - 0.453" (11.50mm) 9.09W @ 80°C 2.48°C/W 8.8°C/W Aluminum Natural Anodized
    SK 18 50 AL

    SK 18 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 18 50 AL

    Datasheet

    SK 18 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.559" 65.00mm) - 0.845" (24.00mm) 25.97W @ 80°C 0.85°C/W 3.08°C/W Aluminum -
    SK 473 37,5 AL

    SK 473 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 473 37,5 AL

    Datasheet

    SK 473 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.063" (27.00mm) - 0.236" (6.00mm) 4.2W @ 80°C 5.27°C/W 19.04°C/W Aluminum -
    SK 95 25 SA

    SK 95 25 SA

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 95 25 SA

    Datasheet

    SK 95 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.496" (12.60mm) - 0.256" (6.50mm) 2.22W @ 80°C 11.16°C/W 36°C/W Aluminum Black Anodized
    SK 554 100 ME

    SK 554 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 554 100 ME

    Datasheet

    SK 554 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.063" (27.00mm) - 0.394" (10.00mm) 9.45W @ 80°C 2.39°C/W 8.47°C/W Aluminum Natural Anodized
    SK 653 50 AL

    SK 653 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 653 50 AL

    Datasheet

    SK 653 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.827" (21.00mm) - 0.551" (14.00mm) 5.06W @ 80°C 4.37°C/W 15.8°C/W Aluminum -
    SK 427 75 AL

    SK 427 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 427 75 AL

    Datasheet

    SK 427 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.000" (50.80mm) - 0.315" (8.00mm) 10.2W @ 80°C 2.17°C/W 7.84°C/W Aluminum -
    SK 95 37,5 AL

    SK 95 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 95 37,5 AL

    Datasheet

    SK 95 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.496" (12.60mm) - 0.256" (6.50mm) 3.01W @ 80°C 7.36°C/W 26.60°C/W Aluminum -
    SK 554 100 SA

    SK 554 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 554 100 SA

    Datasheet

    SK 554 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.063" (27.00mm) - 0.394" (10.00mm) 10.39W @ 80°C 2.39°C/W 7.7°C/W Aluminum Black Anodized
    SK 75 25 STS TO 220

    SK 75 25 STS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 75 25 STS TO 220

    Datasheet

    SK 75 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 0.984" (25.00mm) 1.260" (32.00mm) - 0.551" (14.00mm) 6.4W @ 80°C 3.88°C/W 12.5°C/W Aluminum Black Anodized
    SK 638 25 AL

    SK 638 25 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 638 25 AL

    Datasheet

    SK 638 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.406" (10.30mm) - 1.575" (40.00mm) 12.21W @ 80°C 1.81°C/W 6.55°C/W Aluminum -
    SK 64 37,5 AL

    SK 64 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 64 37,5 AL

    Datasheet

    SK 64 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.756" (70.00mm) - 0.984" (25.00mm) 26.49W @ 80°C 0.84°C/W 3.02°C/W Aluminum -
    SK 05 50 AL

    SK 05 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 05 50 AL

    Datasheet

    SK 05 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.559" 65.00mm) - 1.122" (28.50mm) 27.49W @ 80°C 0.81°C/W 2.91°C/W Aluminum -
    SK 472 37,5 AL

    SK 472 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 472 37,5 AL

    Datasheet

    SK 472 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.634" (41.50mm) - 0.866" (22.00mm) 16.23W @ 80°C 1.36°C/W 4.93°C/W Aluminum -
    SK 51 75 AL

    SK 51 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 51 75 AL

    Datasheet

    SK 51 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.362" (60.00mm) - 0.787" (20.00mm) 18.78W @ 80°C 1.18°C/W 4.26°C/W Aluminum -
    SK 125 50 AL

    SK 125 50 AL

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 125 50 AL

    Datasheet

    SK 125 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.181" (30.00mm) - 1.102" (28.00mm) 10.99W @ 80°C 2.02°C/W 7.28°C/W Aluminum -
    SK 691 37,5 AL

    SK 691 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 691 37,5 AL

    Datasheet

    SK 691 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.142" (29.00mm) - 0.551" (14.00mm) 5.1W @ 80°C 4.34°C/W 15.68°C/W Aluminum -
    SAR55ASX50MM

    SAR55ASX50MM

    EXTRUDED HEATSINK 55MM X 50MM

    Sarnikon

    500
    RFQ
    SAR55ASX50MM

    Datasheet

    55A Box Active Board Level TO-220 PC Pin Rectangular, Fins 1.969" (50.00mm) 2.165" (55.00mm) - 0.630" (16.00mm) - - - Aluminum Black Anodized
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