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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 552 75 ME

    SK 552 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 552 75 ME

    Datasheet

    SK 552 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.551" (14.00mm) - 0.394" (10.00mm) 7.42W @ 80°C 3.04°C/W 10.78°C/W Aluminum Natural Anodized
    SK 552 75 SA

    SK 552 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 552 75 SA

    Datasheet

    SK 552 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.551" (14.00mm) - 0.394" (10.00mm) 8.16W @ 80°C 3.04°C/W 9.8°C/W Aluminum Black Anodized
    SK 456 37,5 SA

    SK 456 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 456 37,5 SA

    Datasheet

    SK 456 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.236" (6.00mm) 7.27W @ 80°C 3.41°C/W 11°C/W Aluminum Black Anodized
    SK 550 50 ME

    SK 550 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 550 50 ME

    Datasheet

    SK 550 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.142" (29.00mm) - 0.453" (11.50mm) 9.09W @ 80°C 2.48°C/W 8.8°C/W Aluminum Natural Anodized
    SK 456 37,5 ME

    SK 456 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 456 37,5 ME

    Datasheet

    SK 456 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.61W @ 80°C 3.41°C/W 12.1°C/W Aluminum Natural Anodized
    SK 437 100 AL

    SK 437 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 437 100 AL

    Datasheet

    SK 437 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.630" (16.00mm) - 0.630" (16.00mm) 7.94W @ 80°C 2.79°C/W 10.08°C/W Aluminum -
    SK 550 50 SA

    SK 550 50 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 550 50 SA

    Datasheet

    SK 550 - Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.142" (29.00mm) - 0.453" (11.50mm) 10W @ 80°C 2.48°C/W 8°C/W Aluminum Black Anodized
    SK 456 75 AL

    SK 456 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 456 75 AL

    Datasheet

    SK 456 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.49W @ 80°C 3.41°C/W 12.32°C/W Aluminum -
    SK 581 75 AL

    SK 581 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 581 75 AL

    Datasheet

    SK 581 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.220" (31.00mm) - 0.394" (10.00mm) 5.1W @ 80°C 4.34°C/W 15.68°C/W Aluminum -
    SK 95 25 2 x M3 TO 220

    SK 95 25 2 x M3 TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 95 25 2 x M3 TO 220

    Datasheet

    SK 95 Bulk Active Board Level, Extrusion TO-220 - 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 675 37,5 AL

    SK 675 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 675 37,5 AL

    Datasheet

    SK 675 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.744" (18.90mm) - 0.189" (4.80mm) 3.25W @ 80°C 6.82°C/W 24.64°C/W Aluminum -
    FK 208 SA L TO 220

    FK 208 SA L TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 208 SA L TO 220

    Datasheet

    FK 208 Bulk Active Board Level TO-220 Bolt On Rectangular 1.638" (41.60mm) 1.299" (33.00mm) - 0.402" (10.20mm) 5.7W - 14.00°C/W Aluminum -
    FK 208 SA L TO 3

    FK 208 SA L TO 3

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 208 SA L TO 3

    Datasheet

    FK 208 Bulk Active Board Level TO-3 Bolt On Rectangular 1.638" (41.60mm) 1.299" (33.00mm) - 0.402" (10.20mm) 5.7W - 14.00°C/W Aluminum -
    FK 208 SA L SOT 32

    FK 208 SA L SOT 32

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 208 SA L SOT 32

    Datasheet

    FK 208 Bulk Active Board Level SOT-32 Bolt On Rectangular 1.638" (41.60mm) 1.299" (33.00mm) - 0.402" (10.20mm) 5.7W - 14.00°C/W Aluminum -
    FK 208 SA L TO 66

    FK 208 SA L TO 66

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 208 SA L TO 66

    Datasheet

    FK 208 Bulk Active Board Level TO-66 Bolt On Rectangular 1.638" (41.60mm) 1.299" (33.00mm) - 0.402" (10.20mm) 5.7W - 14.00°C/W Aluminum -
    FK 208 SA L SOT 9

    FK 208 SA L SOT 9

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 208 SA L SOT 9

    Datasheet

    FK 208 Bulk Active Board Level SOT-9 Bolt On Rectangular 1.638" (41.60mm) 1.299" (33.00mm) - 0.402" (10.20mm) 5.7W - 14.00°C/W Aluminum -
    SK 447 37,5 ME

    SK 447 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 447 37,5 ME

    Datasheet

    SK 447 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.063" (27.00mm) - 0.394" (10.00mm) 11.54W @ 80°C 1.95°C/W 6.93°C/W Aluminum Natural Anodized
    SK 549 75 AL

    SK 549 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 549 75 AL

    Datasheet

    SK 549 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.378" (35.00mm) - 0.394" (10.00mm) 11.9W @ 80°C 1.86°C/W 6.72°C/W Aluminum -
    SK 549 37,5 ME

    SK 549 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 549 37,5 ME

    Datasheet

    SK 549 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.378" (35.00mm) - 0.394" (10.00mm) 12.12W @ 80°C 1.86°C/W 6.6°C/W Aluminum Natural Anodized
    SK 51 37,5 AL

    SK 51 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 51 37,5 AL

    Datasheet

    SK 51 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.362" (60.00mm) - 0.787" (20.00mm) 18.78W @ 80°C 1.18°C/W 4.26°C/W Aluminum -
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