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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 179 50 AL

    SK 179 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 179 50 AL

    Datasheet

    SK 179 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.500" (38.10mm) - 0.650" (16.50mm) 14.29W @ 80°C 1.55°C/W 5.6°C/W Aluminum -
    SK 547 75 AL

    SK 547 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 547 75 AL

    Datasheet

    SK 547 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.575" (40.00mm) - 0.394" (10.00mm) 7.29W @ 80°C 3.04°C/W 10.98°C/W Aluminum -
    SK 512 100 AL

    SK 512 100 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 512 100 AL

    Datasheet

    SK 512 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.406" (10.30mm) - 0.787" (20.00mm) 5.1W @ 80°C 4.34°C/W 15.68°C/W Aluminum -
    SK 511 75 AL

    SK 511 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 511 75 AL

    Datasheet

    SK 511 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.772" (45.00mm) - 0.236" (6.00mm) 6.21W @ 80°C 3.56°C/W 12.88°C/W Aluminum -
    SK 115 37,5 AL

    SK 115 37,5 AL

    Extruded Heatsink (U-shape)

    Fischer Elektronik

    1,000
    RFQ
    SK 115 37,5 AL

    Datasheet

    SK 115 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.787" (20.00mm) - 1.575" (40.00mm) 10.5W @ 80°C 2.11°C/W 7.62°C/W Aluminum -
    SK 468 37,5 AL

    SK 468 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 468 37,5 AL

    Datasheet

    SK 468 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.008" (51.00mm) - 0.484" (12.30mm) 14.13W @ 80°C 1.57°C/W 5.66°C/W Aluminum -
    SK 560 37,5 SA

    SK 560 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 560 37,5 SA

    Datasheet

    SK 560 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.063" (27.00mm) - 0.551" (14.00mm) 12.5W @ 80°C 1.98°C/W 6.4°C/W Aluminum Black Anodized
    SK 513 37,5 SA

    SK 513 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 513 37,5 SA

    Datasheet

    SK 513 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.394" (10.00mm) 7.55W @ 80°C 3.29°C/W 10.6°C/W Aluminum Black Anodized
    SK 632 25 AL

    SK 632 25 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 632 25 AL

    Datasheet

    SK 632 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.748" (19.00mm) - 0.394" (10.00mm) 3.64W @ 80°C 6.08°C/W 21.95°C/W Aluminum -
    SK 456 100 AL

    SK 456 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 456 100 AL

    Datasheet

    SK 456 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.49W @ 80°C 3.41°C/W 12.32°C/W Aluminum -
    SK 548 37,5 SA

    SK 548 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 548 37,5 SA

    Datasheet

    SK 548 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.969" (50.00mm) - 0.394" (10.00mm) 13.11W @ 80°C 1.89°C/W 6.1°C/W Aluminum Black Anodized
    SK 549 100 AL

    SK 549 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 549 100 AL

    Datasheet

    SK 549 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.378" (35.00mm) - 0.394" (10.00mm) 11.9W @ 80°C 1.86°C/W 6.72°C/W Aluminum -
    SK 185 37,5 AL

    SK 185 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 185 37,5 AL

    Datasheet

    SK 185 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.559" 65.00mm) - 0.709" (18.00mm) 11.13W @ 80°C 1.98°C/W 7.19°C/W Aluminum -
    SK 104 25,4 LS SOT 32

    SK 104 25,4 LS SOT 32

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 104 25,4 LS SOT 32

    Datasheet

    SK 104 Bulk Active Board Level, Extrusion SOT-32 - Rectangular 1.000" (25.40mm) 1.374" (34.90mm) - 0.500" (12.70mm) 5.71W @ 80°C 4.34°C/W 14°C/W Aluminum Black Anodized
    SK 496 50 AL

    SK 496 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 496 50 AL

    Datasheet

    SK 496 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.55W @ 80°C 8.68°C/W 31.36°C/W Aluminum -
    SK 560 37,5 ME

    SK 560 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 560 37,5 ME

    Datasheet

    SK 560 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.063" (27.00mm) - 0.551" (14.00mm) 11.36W @ 80°C 1.98°C/W 7.04°C/W Aluminum Natural Anodized
    SK 548 37,5 ME

    SK 548 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 548 37,5 ME

    Datasheet

    SK 548 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.969" (50.00mm) - 0.394" (10.00mm) 11.92W @ 80°C 1.89°C/W 6.71°C/W Aluminum Natural Anodized
    SK 104 25,4 LS TO 220

    SK 104 25,4 LS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 104 25,4 LS TO 220

    Datasheet

    SK 104 Bulk Active Board Level, Extrusion TO-220 - Rectangular 1.000" (25.40mm) 1.374" (34.90mm) - 0.500" (12.70mm) 5.71W @ 80°C 4.34°C/W 14°C/W Aluminum Black Anodized
    SK 513 37,5 ME

    SK 513 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 513 37,5 ME

    Datasheet

    SK 513 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.394" (10.00mm) 6.86W @ 80°C 3.29°C/W 11.66°C/W Aluminum Natural Anodized
    SK 104 25,4 LS TO 3 P

    SK 104 25,4 LS TO 3 P

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 104 25,4 LS TO 3 P

    Datasheet

    SK 104 Bulk Active Board Level, Extrusion TO-3-P - Rectangular 1.000" (25.40mm) 1.374" (34.90mm) - 0.500" (12.70mm) 5.71W @ 80°C 4.34°C/W 14°C/W Aluminum Black Anodized
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