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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 145 20 AL TO 220

    SK 145 20 AL TO 220

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 20 AL 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) 8.6W @ 80°C 2.57°C/W 9.3°C/W Aluminum -
    SK 492 25 AL

    SK 492 25 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 492 25 AL

    Datasheet

    SK 492 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.659" (16.75mm) - 1.024" (26.00mm) 10.5W @ 80°C 2.11°C/W 7.62°C/W Aluminum -
    SK 486 37,5 SA

    SK 486 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 486 37,5 SA

    Datasheet

    SK 486 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.016" (25.80mm) - 0.315" (8.00mm) 11.11W @ 80°C 2.23°C/W 7.2°C/W Aluminum Black Anodized
    SK 95 25 STS TO 220

    SK 95 25 STS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 95 25 STS TO 220

    Datasheet

    SK 95 Bulk Active Board Level, Extrusion TO-220 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 486 37,5 ME

    SK 486 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 486 37,5 ME

    Datasheet

    SK 486 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.016" (25.80mm) - 0.315" (8.00mm) 10.1W @ 80°C 2.23°C/W 7.92°C/W Aluminum Natural Anodized
    SK 126 37,5 AL

    SK 126 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 126 37,5 AL

    Datasheet

    SK 126 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.358" (34.50mm) - 0.500" (12.70mm) 10.35W @ 80°C 2.14°C/W 7.73°C/W Aluminum -
    SK 09 20 SA

    SK 09 20 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 09 20 SA

    Datasheet

    SK 09 Bulk Active Board Level, Extrusion - - Rectangular 0.787" (20.00mm) 1.142" (29.00mm) - 0.453" (11.50mm) 10W @ 80°C 2.48°C/W 8°C/W Aluminum Black Anodized
    SK 581 37,5 SA

    SK 581 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 581 37,5 SA

    Datasheet

    SK 581 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.220" (31.00mm) - 0.394" (10.00mm) 5.71W @ 80°C 4.34°C/W 14°C/W Aluminum Black Anodized
    SK 145 20 ME

    SK 145 20 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 20 ME

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion - - 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 616 50 ME

    SK 616 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 616 50 ME

    Datasheet

    SK 616 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.315" (8.00mm) - 0.236" (6.00mm) 2.97W @ 80°C 7.6°C/W 26.95°C/W Aluminum Natural Anodized
    SK 145 20 SA

    SK 145 20 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 145 20 SA

    Datasheet

    SK 145 Bulk Active Board Level, Extrusion - - 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 493 37,5 SA

    SK 493 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 493 37,5 SA

    Datasheet

    SK 493 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.220" (31.00mm) - 0.236" (6.00mm) 5.52W @ 80°C 4.5°C/W 14.5°C/W Aluminum Black Anodized
    SK 597 37,5 AL

    SK 597 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 597 37,5 AL

    Datasheet

    SK 597 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.181" (30.00mm) - 0.689" (17.50mm) 9.15W @ 80°C 2.42°C/W 8.74°C/W Aluminum -
    SK 177 50 AL

    SK 177 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 177 50 AL

    Datasheet

    SK 177 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.100" (27.95mm) - 0.600" (15.24mm) 12.76W @ 80°C 1.74°C/W 6.27°C/W Aluminum -
    SK 581 37,5 ME

    SK 581 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 581 37,5 ME

    Datasheet

    SK 581 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.220" (31.00mm) - 0.394" (10.00mm) 5.19W @ 80°C 4.34°C/W 15.4°C/W Aluminum Natural Anodized
    SK 452 37,5 AL

    SK 452 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 452 37,5 AL

    Datasheet

    SK 452 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.142" (29.00mm) - 0.984" (25.00mm) 10.5W @ 80°C 2.11°C/W 7.62°C/W Aluminum -
    SK 616 50 SA

    SK 616 50 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 616 50 SA

    Datasheet

    SK 616 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.315" (8.00mm) - 0.236" (6.00mm) 3.27W @ 80°C 7.6°C/W 24.5°C/W Aluminum Black Anodized
    SK 547 50 AL

    SK 547 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 547 50 AL

    Datasheet

    SK 547 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.575" (40.00mm) - 0.394" (10.00mm) 7.29W @ 80°C 3.04°C/W 10.98°C/W Aluminum -
    SK 493 37,5 ME

    SK 493 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 493 37,5 ME

    Datasheet

    SK 493 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.220" (31.00mm) - 0.236" (6.00mm) 5.02W @ 80°C 4.5°C/W 15.95°C/W Aluminum Natural Anodized
    ALB-821AS-4

    ALB-821AS-4

    0.827'' (21mm) Wide Heatsink

    Alberko Heatsinkonline

    500
    RFQ
    ALB-821AS-4

    Datasheet

    ALB-821AS Retail Package Active Top Mount - Thermal Tape, Adhesive (Not Included) Rectangular, Fins 4.000" (101.60mm) 0.827" (21.00mm) - 0.295" (7.50mm) - - 9.62°C/W Aluminum Alloy Unfinished
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