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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 178 37,5 AL

    SK 178 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 178 37,5 AL

    Datasheet

    SK 178 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.358" (34.50mm) - 0.650" (16.50mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 473 50 SA

    SK 473 50 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 473 50 SA

    Datasheet

    SK 473 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.063" (27.00mm) - 0.236" (6.00mm) 4.71W @ 80°C 5.27°C/W 17°C/W Aluminum Black Anodized
    SK 179 37,5 AL

    SK 179 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 179 37,5 AL

    Datasheet

    SK 179 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.500" (38.10mm) - 0.650" (16.50mm) 14.29W @ 80°C 1.55°C/W 5.6°C/W Aluminum -
    SK 562 50 AL

    SK 562 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 562 50 AL

    Datasheet

    SK 562 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.378" (35.00mm) - 0.551" (14.00mm) 13.22W @ 80°C 1.67°C/W 6.05°C/W Aluminum -
    SK 145 50 AL TO 220

    SK 145 50 AL TO 220

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 50 AL TO 220

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-220 - Rectangular 1.969" (50.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 7.14W @ 80°C 3.1°C/W 11.2°C/W Aluminum -
    SK 473 50 ME

    SK 473 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 473 50 ME

    Datasheet

    SK 473 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.063" (27.00mm) - 0.236" (6.00mm) 4.28W @ 80°C 5.27°C/W 18.7°C/W Aluminum Natural Anodized
    SK 447 37,5 SA

    SK 447 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 447 37,5 SA

    Datasheet

    SK 447 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.063" (27.00mm) - 0.394" (10.00mm) 12.7W @ 80°C 1.95°C/W 6.3°C/W Aluminum Black Anodized
    SK 549 37,5 SA

    SK 549 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 549 37,5 SA

    Datasheet

    SK 549 - Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.378" (35.00mm) - 0.394" (10.00mm) 13.33W @ 80°C 1.86°C/W 6°C/W Aluminum Black Anodized
    SK 145 20 SA TO 220

    SK 145 20 SA TO 220

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 20 SA TO 220

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-220 - Rectangular 0.787" (20.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 9.64W @ 80°C 2.57°C/W 8.3°C/W Aluminum Black Anodized
    SK 690 25 AL

    SK 690 25 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 690 25 AL

    Datasheet

    SK 690 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.472" (12.00mm) - 0.709" (18.00mm) 7.94W @ 80°C 2.79°C/W 10.08°C/W Aluminum -
    SK 145 20 ME TO 220

    SK 145 20 ME TO 220

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 20 ME TO 220

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion TO-220 - Rectangular 0.787" (20.00mm) 1.142" (29.00mm) - 0.472" (12.00mm) 8.76W @ 80°C 2.57°C/W 9.13°C/W Aluminum Natural Anodized
    SK 145 37,5 ME

    SK 145 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 37,5 ME

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.142" (29.00mm) - 0.472" (12.00mm) 6.06W @ 80°C 3.72°C/W 13.2°C/W Aluminum Natural Anodized
    SK 563 75 AL

    SK 563 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 563 75 AL

    Datasheet

    SK 563 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.457" (37.00mm) - 0.236" (6.00mm) 6.49W @ 80°C 3.41°C/W 12.32°C/W Aluminum -
    SK 448 75 AL

    SK 448 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 448 75 AL

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.100" (27.95mm) - 0.492" (12.50mm) 9.52W @ 80°C 2.33°C/W 8.4°C/W Aluminum -
    SK 575 25 AL

    SK 575 25 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 575 25 AL

    Datasheet

    SK 575 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.236" (6.00mm) - 1.969" (50.00mm) 13.75W @ 80°C 1.61°C/W 5.82°C/W Aluminum -
    SK 145 37,5 SA

    SK 145 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 37,5 SA

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.142" (29.00mm) - 0.472" (12.00mm) 6.67W @ 80°C 3.72°C/W 12°C/W Aluminum Black Anodized
    SK 95 25 STS SOT 32 SOT 32

    SK 95 25 STS SOT 32 SOT 32

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 95 25 STS SOT 32 SOT 32

    Datasheet

    SK 95 Bulk Active Board Level, Extrusion SOT-32 Screw 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 616 75 ME

    SK 616 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 616 75 ME

    Datasheet

    SK 616 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.315" (8.00mm) - 0.236" (6.00mm) 2.97W @ 80°C 7.6°C/W 26.95°C/W Aluminum Natural Anodized
    SK 09 37,5 SA

    SK 09 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 09 37,5 SA

    Datasheet

    SK 09 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.142" (29.00mm) - 0.453" (11.50mm) 10W @ 80°C 2.48°C/W 8°C/W Aluminum Black Anodized
    SK 58 150 SA

    SK 58 150 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 58 150 SA

    Datasheet

    SK 58 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 5.906" (150.00mm) - 1.063" (27.00mm) 72.41W @ 105°C 0.45°C/W 1.45°C/W Aluminum Black Anodized
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