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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 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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 448 20 1 x M3 L TO 220

    SK 448 20 1 x M3 L TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 448 20 1 x M3 L TO 220

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 0.787" (20.00mm) 1.100" (27.95mm) - 0.492" (12.50mm) 6.78W @ 80°C 3.66°C/W 11.8°C/W Aluminum Black Anodized
    SK 09 50 AL TO 220

    SK 09 50 AL TO 220

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 09 50 AL TO 220

    Datasheet

    SK 09 Bulk Active Board Level, Extrusion TO-220 - Rectangular 1.969" (50.00mm) 1.142" (29.00mm) - 0.453" (11.50mm) 8.93W @ 80°C 2.48°C/W 8.96°C/W Aluminum -
    SK 448 20 1 x M3 L TO 218

    SK 448 20 1 x M3 L TO 218

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 448 20 1 x M3 L TO 218

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion TO-218 Screw Rectangular 0.787" (20.00mm) 1.100" (27.95mm) - 0.492" (12.50mm) 6.78W @ 80°C 3.66°C/W 11.8°C/W Aluminum Black Anodized
    SK 448 20 1 x M3 L TO 248

    SK 448 20 1 x M3 L TO 248

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 448 20 1 x M3 L TO 248

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion TO-248 Screw Rectangular 0.787" (20.00mm) 1.100" (27.95mm) - 0.492" (12.50mm) 6.78W @ 80°C 3.66°C/W 11.8°C/W Aluminum Black Anodized
    SK 448 20 1 x M3 L TO 247

    SK 448 20 1 x M3 L TO 247

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 448 20 1 x M3 L TO 247

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion TO-247 Screw Rectangular 0.787" (20.00mm) 1.100" (27.95mm) - 0.492" (12.50mm) 6.78W @ 80°C 3.66°C/W 11.8°C/W Aluminum Black Anodized
    SK 09 50 AL TO 220 1

    SK 09 50 AL TO 220 1

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 09 50 AL TO 220 1

    Datasheet

    SK 09 Bulk Active Board Level, Extrusion TO-220-1 - Rectangular 1.969" (50.00mm) 1.142" (29.00mm) - 0.453" (11.50mm) 8.93W @ 80°C 2.48°C/W 8.96°C/W Aluminum -
    SK 448 20 1 x M3 L TO 3 P

    SK 448 20 1 x M3 L TO 3 P

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 448 20 1 x M3 L TO 3 P

    Datasheet

    SK 448 Bulk Active Board Level, Extrusion TO-3-P Screw Rectangular 0.787" (20.00mm) 1.100" (27.95mm) - 0.492" (12.50mm) 6.78W @ 80°C 3.66°C/W 11.8°C/W Aluminum Black Anodized
    SK 505 75 AL

    SK 505 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 505 75 AL

    Datasheet

    SK 505 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 3.937" (100.00mm) - 0.591" (15.00mm) 29.74W @ 80°C 0.74°C/W 2.69°C/W Aluminum -
    SK 499 75 AL

    SK 499 75 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 499 75 AL

    Datasheet

    SK 499 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.996" (50.70mm) - 1.260" (32.00mm) 27.97W @ 80°C 0.79°C/W 2.86°C/W Aluminum -
    SK 487 37,5 ME

    SK 487 37,5 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 487 37,5 ME

    Datasheet

    SK 487 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.969" (50.00mm) - 1.102" (28.00mm) 25.97W @ 80°C 0.87°C/W 3.08°C/W Aluminum Natural Anodized
    SK 483 37,5 SA

    SK 483 37,5 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 483 37,5 SA

    Datasheet

    SK 483 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.244" (57.00mm) - 1.102" (28.00mm) 24.62W @ 80°C 1.01°C/W 3.25°C/W Aluminum Black Anodized
    SK 483 37,5 ME

    SK 483 37,5 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 483 37,5 ME

    Datasheet

    SK 483 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.244" (57.00mm) - 1.102" (28.00mm) 22.35W @ 80°C 1.01°C/W 3.58°C/W Aluminum Natural Anodized
    SK 641 37,5 AL

    SK 641 37,5 AL

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 641 37,5 AL

    Datasheet

    SK 641 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 2.205" (56.00mm) 21W @ 80°C 1.05°C/W 3.81°C/W Aluminum -
    SK 500 37,5 AL

    SK 500 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 500 37,5 AL

    Datasheet

    SK 500 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 4.134" (105.00mm) - 1.535" (39.00mm) 48.17W @ 105°C 0.6°C/W 2.18°C/W Aluminum -
    SK 487 37,5 SA

    SK 487 37,5 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 487 37,5 SA

    Datasheet

    SK 487 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.969" (50.00mm) - 1.102" (28.00mm) 28.57W @ 80°C 0.87°C/W 2.8°C/W Aluminum Black Anodized
    SK 508 50 AL

    SK 508 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 508 50 AL

    Datasheet

    SK 508 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 3.937" (100.00mm) - 0.984" (25.00mm) 32.52W @ 80°C 0.68°C/W 2.46°C/W Aluminum -
    SK 482 37,5 ME

    SK 482 37,5 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 482 37,5 ME

    Datasheet

    SK 482 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.398" (35.50mm) - 1.378" (35.00mm) 19.14W @ 80°C 1.18°C/W 4.18°C/W Aluminum Natural Anodized
    SK 63 75 SA

    SK 63 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 63 75 SA

    Datasheet

    SK 63 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.559" 65.00mm) - 1.063" (27.00mm) 32W @ 80°C 0.78°C/W 2.5°C/W Aluminum Black Anodized
    SK 482 37,5 SA

    SK 482 37,5 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 482 37,5 SA

    Datasheet

    SK 482 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.398" (35.50mm) - 1.378" (35.00mm) 21.05W @ 80°C 1.18°C/W 3.8°C/W Aluminum Black Anodized
    SK 63 75 ME

    SK 63 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 63 75 ME

    Datasheet

    SK 63 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.559" 65.00mm) - 1.063" (27.00mm) 29.09W @ 80°C 0.78°C/W 2.75°C/W Aluminum Natural Anodized
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