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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 676 37,5 AL

    SK 676 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 676 37,5 AL

    Datasheet

    SK 676 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.472" (12.00mm) - 0.630" (16.00mm) 8.16W @ 80°C 2.71°C/W 9.8°C/W Aluminum -
    SK 675 75 AL

    SK 675 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 675 75 AL

    Datasheet

    SK 675 - Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.744" (18.90mm) - 0.189" (4.80mm) 3.25W @ 80°C 6.82°C/W 24.64°C/W Aluminum -
    SK 558 75 ME

    SK 558 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 558 75 ME

    Datasheet

    SK 558 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.551" (14.00mm) - 0.551" (14.00mm) 9.09W @ 80°C 2.48°C/W 8.8°C/W Aluminum Natural Anodized
    SK 448 37,5 ME

    SK 448 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 448 37,5 ME

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.100" (27.95mm) - 0.492" (12.50mm) 9.7W @ 80°C 2.33°C/W 8.25°C/W Aluminum Natural Anodized
    SK 674 100 AL

    SK 674 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 674 100 AL

    Datasheet

    SK 674 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.250" (6.35mm) - 0.189" (4.80mm) 2.55W @ 80°C 8.68°C/W 31.36°C/W Aluminum -
    SK 587 100 AL

    SK 587 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 587 100 AL

    Datasheet

    SK 587 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.181" (30.00mm) - 0.394" (10.00mm) 5.95W @ 80°C 3.72°C/W 13.44°C/W Aluminum -
    SK 51 50 AL

    SK 51 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 51 50 AL

    Datasheet

    SK 51 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.362" (60.00mm) - 0.787" (20.00mm) 18.78W @ 80°C 1.18°C/W 4.26°C/W Aluminum -
    SK 558 75 SA

    SK 558 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 558 75 SA

    Datasheet

    SK 558 - Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.551" (14.00mm) - 0.551" (14.00mm) 10W @ 80°C 2.48°C/W 8°C/W Aluminum Black Anodized
    SK 581 100 AL

    SK 581 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 581 100 AL

    Datasheet

    SK 581 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.220" (31.00mm) - 0.394" (10.00mm) 5.1W @ 80°C 4.34°C/W 15.68°C/W Aluminum -
    SK 31 37,5 AL

    SK 31 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 31 37,5 AL

    Datasheet

    SK 31 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.969" (50.00mm) - 0.472" (12.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 448 37,5 SA

    SK 448 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 448 37,5 SA

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.100" (27.95mm) - 0.492" (12.50mm) 10.67W @ 80°C 2.33°C/W 7.5°C/W Aluminum Black Anodized
    SK 545 50 AL

    SK 545 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 545 50 AL

    Datasheet

    SK 545 - Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 3.150" (80.00mm) - 0.394" (10.00mm) 10.99W @ 80°C 2.217°C/W 7.28°C/W Aluminum -
    SK 454 37,5 SA

    SK 454 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 454 37,5 SA

    Datasheet

    SK 454 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.844" (21.45mm) - 0.748" (19.00mm) 11.76W @ 80°C 2.11°C/W 6.8°C/W Aluminum Black Anodized
    SK 495 25 AL

    SK 495 25 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 495 25 AL

    Datasheet

    SK 495 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.881" (47.79mm) - 1.299" (33.00mm) 23.81W @ 80°C 0.93°C/W 3.36°C/W Aluminum -
    SK 547 37,5 SA

    SK 547 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 547 37,5 SA

    Datasheet

    SK 547 - Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.394" (10.00mm) 8.16W @ 80°C 3.04°C/W 9.8°C/W Aluminum Black Anodized
    SK 551 37,5 SA

    SK 551 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 551 37,5 SA

    Datasheet

    SK 551 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.953" (24.20mm) - 0.484" (12.30mm) 10.53W @ 80°C 2.36°C/W 7.6°C/W Aluminum Black Anodized
    SK 454 37,5 ME

    SK 454 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 454 37,5 ME

    Datasheet

    SK 454 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.844" (21.45mm) - 0.748" (19.00mm) 10.7W @ 80°C 2.11°C/W 7.48°C/W Aluminum Natural Anodized
    SK 551 37,5 ME

    SK 551 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 551 37,5 ME

    Datasheet

    SK 551 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.953" (24.20mm) - 0.484" (12.30mm) 9.57W @ 80°C 2.36°C/W 8.36°C/W Aluminum Natural Anodized
    SK 547 37,5 ME

    SK 547 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 547 37,5 ME

    Datasheet

    SK 547 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.394" (10.00mm) 7.42W @ 80°C 3.04°C/W 10.78°C/W Aluminum Natural Anodized
    FK 250 10 LF PAK TR LF PAK (SOT 669)

    FK 250 10 LF PAK TR LF PAK (SOT 669)

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 250 10 LF PAK TR LF PAK (SOT 669)

    Datasheet

    FK 250 Tape & Reel (TR) Active - SOT-669 (LF PAK) - - - - - - - - - - -
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