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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 635 50 AL

    SK 635 50 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 635 50 AL

    Datasheet

    SK 635 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.299" (33.00mm) - 0.394" (10.00mm) 5.49W @ 80°C 4.03°C/W 14.56°C/W Aluminum -
    SK 559 75 SA

    SK 559 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 559 75 SA

    Datasheet

    SK 559 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.906" (23.00mm) - 0.484" (12.30mm) 8.79W @ 80°C 2.82°C/W 9.1°C/W Aluminum Black Anodized
    SK 558 100 ME

    SK 558 100 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 558 100 ME

    Datasheet

    SK 558 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.551" (14.00mm) - 0.551" (14.00mm) 9.09W @ 80°C 2.48°C/W 8.8°C/W Aluminum Natural Anodized
    SK 513 100 AL

    SK 513 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 513 100 AL

    Datasheet

    SK 513 - Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.575" (40.00mm) - 0.394" (10.00mm) 6.74W @ 80°C 3.29°C/W 11.87°C/W Aluminum -
    SK 559 75 ME

    SK 559 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 559 75 ME

    Datasheet

    SK 559 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.906" (23.00mm) - 0.484" (12.30mm) 7.99W @ 80°C 2.82°C/W 10.01°C/W Aluminum Natural Anodized
    SK 75 37,5 STS TO 220

    SK 75 37,5 STS TO 220

    Extruded Heatsink for PCB mounti

    Fischer Elektronik

    1,000
    RFQ
    SK 75 37,5 STS TO 220

    Datasheet

    SK 75 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 1.476" (37.50mm) 1.260" (32.00mm) - 0.551" (14.00mm) 8W @ 80°C 3.1°C/W 10°C/W Aluminum Black Anodized
    SK 632 100 AL

    SK 632 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 632 100 AL

    Datasheet

    SK 632 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.748" (19.00mm) - 0.394" (10.00mm) 3.64W @ 80°C 6.08°C/W 21.95°C/W Aluminum -
    SK 558 100 SA

    SK 558 100 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 558 100 SA

    Datasheet

    SK 558 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.551" (14.00mm) - 0.551" (14.00mm) 10W @ 80°C 2.48°C/W 8°C/W Aluminum Black Anodized
    FK 271 MI 247 V SIP

    FK 271 MI 247 V SIP

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 V SIP

    Datasheet

    FK 271 Bulk Active Board Level, Vertical SIP Clip and Solder Pin Rectangular 1.181" (30.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.1W - 19.40°C/W Copper -
    FK 271 MI 247 V TO 218

    FK 271 MI 247 V TO 218

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 V TO 218

    Datasheet

    FK 271 Bulk Active Board Level, Vertical TO-218 Clip and Solder Pin Rectangular 1.181" (30.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.1W - 19.40°C/W Copper -
    FK 271 MI 247 V TO 248

    FK 271 MI 247 V TO 248

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 V TO 248

    Datasheet

    FK 271 Bulk Active Board Level, Vertical TO-248 Clip and Solder Pin Rectangular 1.181" (30.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.1W - 19.40°C/W Copper -
    FK 252 SA 220 VL TO 220

    FK 252 SA 220 VL TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 252 SA 220 VL TO 220

    Datasheet

    FK 252 Bulk Active Board Level, Vertical TO-220 Clip and Solder Pin Rectangular 1.000" (25.40mm) 0.571" (14.50mm) - 0.469" (11.90mm) 3.8W - 21.00°C/W Aluminum -
    FK 271 MI 247 V TO 247

    FK 271 MI 247 V TO 247

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 V TO 247

    Datasheet

    FK 271 Bulk Active Board Level, Vertical TO-247 Clip and Solder Pin Rectangular 1.181" (30.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.1W - 19.40°C/W Copper -
    FK 252 SA 220 V TO 220

    FK 252 SA 220 V TO 220

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 252 SA 220 V TO 220

    Datasheet

    FK 252 Bulk Active Board Level, Vertical TO-220 Clip and Solder Pin Rectangular 1.000" (25.40mm) 0.571" (14.50mm) - 0.469" (11.90mm) 3.8W - 21.00°C/W Aluminum -
    SK 470 100 AL

    SK 470 100 AL

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 470 100 AL

    Datasheet

    SK 470 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.465" (11.80mm) - 0.315" (8.00mm) 3.61W @ 80°C 6.14°C/W 22.18°C/W Aluminum -
    SK 690 75 SA

    SK 690 75 SA

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 690 75 SA

    Datasheet

    SK 690 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.472" (12.00mm) - 0.709" (18.00mm) 8.89W @ 80°C 2.79°C/W 9°C/W Aluminum Black Anodized
    SK 690 75 ME

    SK 690 75 ME

    Extruded Heatsink

    Fischer Elektronik

    1,000
    RFQ
    SK 690 75 ME

    Datasheet

    SK 690 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 0.472" (12.00mm) - 0.709" (18.00mm) 8.08W @ 80°C 2.79°C/W 9.9°C/W Aluminum Natural Anodized
    FK 271 MI 247 O TO 247

    FK 271 MI 247 O TO 247

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 O TO 247

    Datasheet

    FK 271 Bulk Active Board Level TO-247 Clip Rectangular 1.024" (26.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.0W - 19.90°C/W Copper -
    FK 271 MI 247 O TO 218

    FK 271 MI 247 O TO 218

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 O TO 218

    Datasheet

    FK 271 Bulk Active Board Level TO-218 Clip Rectangular 1.024" (26.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.0W - 19.90°C/W Copper -
    FK 271 MI 247 O SIP

    FK 271 MI 247 O SIP

    Fans, Blower, Thermal Management

    Fischer Elektronik

    1,000
    RFQ
    FK 271 MI 247 O SIP

    Datasheet

    FK 271 Bulk Active Board Level SIP Clip Rectangular 1.024" (26.00mm) 0.906" (23.00mm) - 0.331" (8.40mm) 4.0W - 19.90°C/W Copper -
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