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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 456 37,5 AL

    SK 456 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 456 37,5 AL

    Datasheet

    SK 456 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.49W @ 80°C 3.41°C/W 12.32°C/W Aluminum -
    SK 616 75 AL

    SK 616 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 616 75 AL

    Datasheet

    SK 616 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.315" (8.00mm) - 0.236" (6.00mm) 2.92W @ 80°C 7.6°C/W 27.44°C/W Aluminum -
    SK 512 25 SA

    SK 512 25 SA

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 512 25 SA

    Datasheet

    SK 512 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.406" (10.30mm) - 0.787" (20.00mm) 5.71W @ 80°C 4.34°C/W 14°C/W Aluminum Black Anodized
    SK 521 100 AL

    SK 521 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 521 100 AL

    Datasheet

    SK 521 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.602" (15.30mm) - 0.315" (8.00mm) 3.42W @ 80°C 6.48°C/W 23.41°C/W Aluminum -
    SK 460 25 AL

    SK 460 25 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 460 25 AL

    Datasheet

    SK 460 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.339" (34.00mm) - 0.787" (20.00mm) 11.9W @ 80°C 1.86°C/W 6.72°C/W Aluminum -
    SK 646 100 AL

    SK 646 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 646 100 AL

    Datasheet

    SK 646 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.55W @ 80°C 8.68°C/W 31.36°C/W Aluminum -
    SK 512 25 ME

    SK 512 25 ME

    Extruded Heatsink for lock-in re

    Fischer Elektronik

    1,000
    RFQ
    SK 512 25 ME

    Datasheet

    SK 512 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.406" (10.30mm) - 0.787" (20.00mm) 5.19W @ 80°C 4.34°C/W 15.4°C/W Aluminum Natural Anodized
    SK 587 50 AL

    SK 587 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 587 50 AL

    Datasheet

    SK 587 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.181" (30.00mm) - 0.394" (10.00mm) 5.95W @ 80°C 3.72°C/W 13.44°C/W Aluminum -
    SK 473 75 AL

    SK 473 75 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 473 75 AL

    Datasheet

    SK 473 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.063" (27.00mm) - 0.236" (6.00mm) 4.2W @ 80°C 5.27°C/W 19.04°C/W Aluminum -
    SK 95 15 ME

    SK 95 15 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 95 15 ME

    Datasheet

    SK 95 Bulk Active Board Level, Extrusion - - Rectangular 0.591" (15.00mm) 0.496" (12.60mm) - 0.256" (6.50mm) 1.89W @ 80°C 11.94°C/W 42.35°C/W Aluminum Natural Anodized
    FK 224 SA 218 1 TO 218

    FK 224 SA 218 1 TO 218

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 224 SA 218 1 TO 218

    Datasheet

    FK 224 Bulk Active Board Level TO-218 Clip and Locking Pin Rectangular 1.157" (29.40mm) 0.984" (25.00mm) - 0.276" (7.00mm) 4.4W - 18.00°C/W Aluminum -
    FK 224 SA P SIP P SIP

    FK 224 SA P SIP P SIP

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 224 SA P SIP P SIP

    Datasheet

    FK 224 Bulk Active Board Level P SIP Clip and Locking Pin Rectangular 1.000" (25.40mm) 0.984" (25.00mm) - 0.283" (7.20mm) 4.4W - 18.00°C/W Aluminum -
    FK 249 SA 220 TO 220

    FK 249 SA 220 TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 249 SA 220 TO 220

    Datasheet

    FK 249 Bulk Active Board Level TO-220 Clip Rectangular 1.228" (31.20mm) 1.197" (30.40mm) - 0.445" (11.30mm) 4.7W - 17.00°C/W Aluminum -
    FK 224 SA 220 2 TO 220

    FK 224 SA 220 2 TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 224 SA 220 2 TO 220

    Datasheet

    FK 224 Bulk Active Board Level TO-220 Clip and Locking Pin Rectangular 1.157" (29.40mm) 0.984" (25.00mm) - 0.276" (7.00mm) 4.4W - 18.00°C/W Aluminum -
    FK 224 SA 220 1 TO 220

    FK 224 SA 220 1 TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 224 SA 220 1 TO 220

    Datasheet

    FK 224 Bulk Active Board Level TO-220 Clip and Locking Pin Rectangular 1.157" (29.40mm) 0.984" (25.00mm) - 0.276" (7.00mm) 4.4W - 18.00°C/W Aluminum -
    FK 224 SA 218 2 TO 218

    FK 224 SA 218 2 TO 218

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 224 SA 218 2 TO 218

    Datasheet

    FK 224 Bulk Active Board Level TO-218 Clip and Locking Pin Rectangular 1.157" (29.40mm) 0.984" (25.00mm) - 0.276" (7.00mm) 4.4W - 18.00°C/W Aluminum -
    SAR21ASX45MM

    SAR21ASX45MM

    EXTRUDED HEATSINK 21X45MM

    Sarnikon

    500
    RFQ
    SAR21ASX45MM

    Datasheet

    21AS Bulk Active Board Level - PC Pin Rectangular, Fins 1.772" (45.00mm) 0.827" (21.00mm) - 0.467" (11.85mm) - - - Aluminum Natural Anodized
    SAR52ASX25MM

    SAR52ASX25MM

    EXTRUDED HEATSINK 27X25MM

    Sarnikon

    500
    RFQ
    SAR52ASX25MM

    Datasheet

    52AS Bulk Active Board Level TO-220 PC Pin Rectangular, Fins 0.984" (25.00mm) 1.063" (27.00mm) - 0.512" (13.00mm) - - - Aluminum Black Anodized
    FK 225 SA L 2 TO 220

    FK 225 SA L 2 TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 225 SA L 2 TO 220

    Datasheet

    FK 225 Bulk Active Board Level TO-220 Bolt On Rectangular 1.496" (38.00mm) 1.024" (26.00mm) - 0.807" (20.50mm) 8.1W - 9.90°C/W Aluminum -
    FK 218 32 SA TO 220

    FK 218 32 SA TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 218 32 SA TO 220

    Datasheet

    FK 218 Bulk Active Board Level TO-220 Bolt On and Locking Pin Rectangular 1.402" (35.60mm) 0.866" (22.00mm) - 0.216" (5.50mm) 3.8W - 21.00°C/W Aluminum -
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