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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 560 50 ME

    SK 560 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 560 50 ME

    Datasheet

    SK 560 - Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.063" (27.00mm) - 0.551" (14.00mm) 11.36W @ 80°C 1.98°C/W 7.04°C/W Aluminum Natural Anodized
    SK 476 100 SA

    SK 476 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 476 100 SA

    Datasheet

    SK 476 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.827" (21.00mm) - 0.236" (6.00mm) 3.81W @ 80°C 6.51°C/W 21°C/W Aluminum Black Anodized
    SK 587 50 ME

    SK 587 50 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 587 50 ME

    Datasheet

    SK 587 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.181" (30.00mm) - 0.394" (10.00mm) 6.06W @ 80°C 3.72°C/W 13.2°C/W Aluminum Natural Anodized
    SK 546 37,5 AL

    SK 546 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 546 37,5 AL

    Datasheet

    SK 546 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 3.937" (100.00mm) - 0.394" (10.00mm) 21.62W @ 80°C 1.02°C/W 3.7°C/W Aluminum -
    SK 09 37,5 AL TO 220

    SK 09 37,5 AL TO 220

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 09 37,5 AL TO 220

    Datasheet

    SK 09 Bulk Active Board Level, Extrusion TO-220 - Rectangular 1.476" (37.50mm) 1.142" (29.00mm) - 0.453" (11.50mm) 8.93W @ 80°C 2.48°C/W 8.96°C/W Aluminum -
    FK 251 08 LF PAK TR LF PAK (SOT 669)

    FK 251 08 LF PAK TR LF PAK (SOT 669)

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 251 08 LF PAK TR LF PAK (SOT 669)

    Datasheet

    FK 251 Tape & Reel (TR) Active - SOT-669 (LF PAK) - - - - - - - - - - -
    FK 251 08 LF PAK TR SOT 669 (LF PAK)

    FK 251 08 LF PAK TR SOT 669 (LF PAK)

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 251 08 LF PAK TR SOT 669 (LF PAK)

    Datasheet

    FK 251 Tape & Reel (TR) Active Board Level SOT-669 (LF PAK) Solderable Feet Rectangular 0.512" (13.00mm) 0.591" (15.00mm) - - 2.7W - 29.80°C/W Copper -
    SK 470 37,5 AL

    SK 470 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 470 37,5 AL

    Datasheet

    SK 470 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.465" (11.80mm) - 0.315" (8.00mm) 3.61W @ 80°C 6.14°C/W 22.18°C/W Aluminum -
    SK 552 37,5 AL

    SK 552 37,5 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 552 37,5 AL

    Datasheet

    SK 552 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.551" (14.00mm) - 0.394" (10.00mm) 7.29W @ 80°C 3.04°C/W 10.98°C/W Aluminum -
    SK 496 37,5 ME

    SK 496 37,5 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 496 37,5 ME

    Datasheet

    SK 496 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.6W @ 80°C 8.68°C/W 30.8°C/W Aluminum Natural Anodized
    SK 493 75 SA

    SK 493 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 493 75 SA

    Datasheet

    SK 493 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.220" (31.00mm) - 0.236" (6.00mm) 5.52W @ 80°C 4.5°C/W 14.5°C/W Aluminum Black Anodized
    SK 493 75 ME

    SK 493 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 493 75 ME

    Datasheet

    SK 493 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.220" (31.00mm) - 0.236" (6.00mm) 5.02W @ 80°C 4.5°C/W 15.95°C/W Aluminum Natural Anodized
    SK 496 37,5 SA

    SK 496 37,5 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 496 37,5 SA

    Datasheet

    SK 496 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.86W @ 80°C 8.68°C/W 28°C/W Aluminum Black Anodized
    SK 75 50

    SK 75 50

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 75 50

    Datasheet

    SK 75 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.260" (32.00mm) - 0.551" (14.00mm) 9.41W @ 80°C 2.64°C/W 8.5°C/W Aluminum Black Anodized
    SK 104 38,1 LS TO 3 P

    SK 104 38,1 LS TO 3 P

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 104 38,1 LS TO 3 P

    Datasheet

    SK 104 Bulk Active Board Level, Extrusion TO-3-P Screw Rectangular 1.500" (38.10mm) 1.374" (34.90mm) - 0.500" (12.70mm) 7.27W @ 80°C 3.41°C/W 11°C/W Aluminum Black Anodized
    SK 104 38,1 LS TO 220

    SK 104 38,1 LS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 104 38,1 LS TO 220

    Datasheet

    SK 104 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 1.500" (38.10mm) 1.374" (34.90mm) - 0.500" (12.70mm) 7.27W @ 80°C 3.41°C/W 11°C/W Aluminum Black Anodized
    SK 104 38,1 LS SOT 32

    SK 104 38,1 LS SOT 32

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 104 38,1 LS SOT 32

    Datasheet

    SK 104 Bulk Active Board Level, Extrusion SOT-32 Screw Rectangular 1.500" (38.10mm) 1.374" (34.90mm) - 0.500" (12.70mm) 7.27W @ 80°C 3.41°C/W 11°C/W Aluminum Black Anodized
    FK 264 MI 220 V TO 220

    FK 264 MI 220 V TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 264 MI 220 V TO 220

    Datasheet

    FK 264 Bulk Active Board Level, Vertical TO-220 Clip and Solder Pin Rectangular 1.181" (30.00mm) 0.512" (13.00mm) - 0.606" (15.40mm) 3.6W - 22.40°C/W Copper -
    KK 1 12.7 TO 5

    KK 1 12.7 TO 5

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    KK 1 12.7 TO 5

    Datasheet

    KK 1 Bulk Active Board Level TO-5 Clip Rectangular 0.750" (19.05mm) 0.843" (21.40mm) - - 2.3W - 35.00°C/W Aluminum -
    SK 690 25 SA

    SK 690 25 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 690 25 SA

    Datasheet

    SK 690 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.472" (12.00mm) - 0.709" (18.00mm) 8.89W @ 80°C 2.79°C/W 9°C/W Aluminum Black Anodized
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