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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 409 50,8 STIC TO 3 P

SK 409 50,8 STIC TO 3 P

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 409 50,8 STIC TO 3 P

Datasheet

SK 409 Bulk Active Board Level, Extrusion TO-3-P Clip Rectangular 2.000" (50.80mm) 1.772" (45.00mm) - 0.500" (12.70mm) 12.9W @ 80°C 1.92°C/W 6.2°C/W Aluminum Black Anodized
SK 409 50,8 STIS TO 3 P

SK 409 50,8 STIS TO 3 P

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 409 50,8 STIS TO 3 P

Datasheet

SK 409 Bulk Active Board Level, Extrusion TO-3-P Screw Rectangular 2.000" (50.80mm) 1.772" (45.00mm) - 0.500" (12.70mm) 12.9W @ 80°C 1.92°C/W 6.2°C/W Aluminum Black Anodized
SK 409 50,8 STIS TO 220

SK 409 50,8 STIS TO 220

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 409 50,8 STIS TO 220

Datasheet

SK 409 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 2.000" (50.80mm) 1.772" (45.00mm) - 0.500" (12.70mm) 12.9W @ 80°C 1.92°C/W 6.2°C/W Aluminum Black Anodized
SK 456 20 1 x M3 L TO 3 P

SK 456 20 1 x M3 L TO 3 P

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 456 20 1 x M3 L TO 3 P

Datasheet

SK 456 Bulk Active Board Level, Extrusion TO-3-P - Rectangular 0.787" (20.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.15W @ 80°C 4.03°C/W 13°C/W Aluminum Black Anodized
SK 456 20 1 x M3 L TO 220

SK 456 20 1 x M3 L TO 220

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 456 20 1 x M3 L TO 220

Datasheet

SK 456 Bulk Active Board Level, Extrusion TO-220 - Rectangular 0.787" (20.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.15W @ 80°C 4.03°C/W 13°C/W Aluminum Black Anodized
SK 456 20 1 x M3 L TO 248

SK 456 20 1 x M3 L TO 248

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 456 20 1 x M3 L TO 248

Datasheet

SK 456 Bulk Active Board Level, Extrusion TO-248 - Rectangular 0.787" (20.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.15W @ 80°C 4.03°C/W 13°C/W Aluminum Black Anodized
SK 456 20 1 x M3 L TO 247

SK 456 20 1 x M3 L TO 247

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 456 20 1 x M3 L TO 247

Datasheet

SK 456 Bulk Active Board Level, Extrusion TO-247 - Rectangular 0.787" (20.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.15W @ 80°C 4.03°C/W 13°C/W Aluminum Black Anodized
SK 456 20 1 x M3 L TO 218

SK 456 20 1 x M3 L TO 218

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 456 20 1 x M3 L TO 218

Datasheet

SK 456 Bulk Active Board Level, Extrusion TO-218 - Rectangular 0.787" (20.00mm) 1.575" (40.00mm) - 0.236" (6.00mm) 6.15W @ 80°C 4.03°C/W 13°C/W Aluminum Black Anodized
SK 469 50 STS SOT 32

SK 469 50 STS SOT 32

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 469 50 STS SOT 32

Datasheet

SK 469 Bulk Active Board Level, Extrusion SOT-32 Screw Rectangular 1.969" (50.00mm) 0.534" (13.50mm) - 0.600" (15.24mm) 7.55W @ 80°C 3.29°C/W 10.6°C/W Aluminum Black Anodized
SK 469 50 STS TO 220

SK 469 50 STS TO 220

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 469 50 STS TO 220

Datasheet

SK 469 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 1.969" (50.00mm) 0.534" (13.50mm) - 0.600" (15.24mm) 7.55W @ 80°C 3.29°C/W 10.6°C/W Aluminum Black Anodized
SK 639 25 ME

SK 639 25 ME

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 639 25 ME

Datasheet

SK 639 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.181" (30.00mm) - 1.772" (45.00mm) 21.05W @ 80°C 1.07°C/W 3.8°C/W Aluminum Natural Anodized
SK 639 25 SA

SK 639 25 SA

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 639 25 SA

Datasheet

SK 639 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.181" (30.00mm) - 1.772" (45.00mm) 23.19W @ 80°C 1.07°C/W 3.45°C/W Aluminum Black Anodized
SK 48 100 AL

SK 48 100 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 48 100 AL

Datasheet

SK 48 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 2.559" 65.00mm) - 0.787" (20.00mm) 28.57W @ 80°C 0.78°C/W 2.8°C/W Aluminum -
SK 681 100 AL

SK 681 100 AL

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 681 100 AL

Datasheet

SK 681 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 0.650" (16.50mm) - 1.575" (40.00mm) 17.43W @ 80°C 1.27°C/W 4.59°C/W Aluminum -
SK 573 84 ME

SK 573 84 ME

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 573 84 ME

Datasheet

SK 573 Bulk Active Board Level, Extrusion - - Rectangular 3.307" (84.00mm) 0.984" (25.00mm) - 1.181" (30.00mm) 18.18W @ 80°C 1.24°C/W 4.4°C/W Aluminum Natural Anodized
SK 18 75 ME

SK 18 75 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 18 75 ME

Datasheet

SK 18 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.559" 65.00mm) - 0.845" (24.00mm) 26.4W @ 80°C 0.85°C/W 3.03°C/W Aluminum Natural Anodized
SK 545 150 AL

SK 545 150 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 545 150 AL

Datasheet

SK 545 Bulk Active Board Level, Extrusion - - Rectangular 5.906" (150.00mm) 3.150" (80.00mm) - 0.394" (10.00mm) 10.99W @ 80°C 2.217°C/W 7.28°C/W Aluminum -
SK 18 75 SA

SK 18 75 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 18 75 SA

Datasheet

SK 18 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.559" 65.00mm) - 0.845" (24.00mm) 29.09W @ 80°C 0.85°C/W 2.75°C/W Aluminum Black Anodized
SK 573 84 SA

SK 573 84 SA

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 573 84 SA

Datasheet

SK 573 Bulk Active Board Level, Extrusion - - Rectangular 3.307" (84.00mm) 0.984" (25.00mm) - 1.181" (30.00mm) 20W @ 80°C 1.24°C/W 4°C/W Aluminum Black Anodized
SK 134 50 ME

SK 134 50 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 134 50 ME

Datasheet

SK 134 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.358" (34.50mm) - 1.969" (50.00mm) 20.78W @ 80°C 1.08°C/W 3.85°C/W Aluminum Natural Anodized
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