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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 552 1000 AL

SK 552 1000 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 552 1000 AL

Datasheet

SK 552 Bulk Active Board Level, Extrusion - - Rectangular 39.370" (1000.00mm) 0.551" (14.00mm) - 0.394" (10.00mm) 7.29W @ 80°C 3.04°C/W 10.98°C/W Aluminum -
SK 459 50 STSB TO 247

SK 459 50 STSB TO 247

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 459 50 STSB TO 247

Datasheet

SK 459 - Active Board Level, Extrusion TO-247 Screw Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.787" (20.00mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
SK 459 50 STSB TO 220

SK 459 50 STSB TO 220

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 459 50 STSB TO 220

Datasheet

SK 459 Bulk Active Board Level, Extrusion TO-220 Screw Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.787" (20.00mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
SK 459 50 STSB TO 218

SK 459 50 STSB TO 218

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 459 50 STSB TO 218

Datasheet

SK 459 Bulk Active Board Level, Extrusion TO-218 Screw Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.787" (20.00mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
SK 459 50 M STSB SIP-Multiwatt

SK 459 50 M STSB SIP-Multiwatt

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 459 50 M STSB SIP-Multiwatt

Datasheet

SK 459 - Active Board Level, Extrusion SIP Screw Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.787" (20.00mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
SK 459 50 STSB TO 248

SK 459 50 STSB TO 248

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 459 50 STSB TO 248

Datasheet

SK 459 Bulk Active Board Level, Extrusion TO-248 Screw Rectangular 1.969" (50.00mm) 1.969" (50.00mm) - 0.787" (20.00mm) 14.29W @ 80°C 1.74°C/W 5.6°C/W Aluminum Black Anodized
SK 649 75 ME

SK 649 75 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 649 75 ME

Datasheet

SK 649 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.441" (62.00mm) - 0.827" (21.00mm) 19.42W @ 80°C 1.16°C/W 4.12°C/W Aluminum Natural Anodized
SK 649 75 SA

SK 649 75 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 649 75 SA

Datasheet

SK 649 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.441" (62.00mm) - 0.827" (21.00mm) 21.33W @ 80°C 1.16°C/W 3.75°C/W Aluminum Black Anodized
SK 640 100 AL

SK 640 100 AL

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 640 100 AL

Datasheet

SK 640 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.181" (30.00mm) - 2.323" (59.00mm) 20.41W @ 80°C 1.08°C/W 3.92°C/W Aluminum -
SK 421 75 AL

SK 421 75 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 421 75 AL

Datasheet

SK 421 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 6.575" (167.00mm) - 0.591" (15.00mm) 53.57W @ 105°C 0.54°C/W 1.96°C/W Aluminum -
SK 03 100 ME

SK 03 100 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 03 100 ME

Datasheet

SK 03 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 4.724" (120.00mm) - 1.260" (32.00mm) 45.45W @ 105°C 0.65°C/W 2.31°C/W Aluminum Natural Anodized
SK 647 50 ME

SK 647 50 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 647 50 ME

Datasheet

SK 647 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.402" (61.00mm) - 1.575" (40.00mm) 36.36W @ 80°C 0.62°C/W 2.2°C/W Aluminum Natural Anodized
SK 407 100 AL

SK 407 100 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 407 100 AL

Datasheet

SK 407 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 3.268" (83.00mm) - 0.984" (25.00mm) 32.52W @ 80°C 0.68°C/W 2.46°C/W Aluminum -
SK 405 100 AL

SK 405 100 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 405 100 AL

Datasheet

SK 405 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 6.654" (169.00mm) - 0.394" (10.00mm) 36.08W @ 105°C 0.81°C/W 2.91°C/W Aluminum -
SK 647 50 SA

SK 647 50 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 647 50 SA

Datasheet

SK 647 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.402" (61.00mm) - 1.575" (40.00mm) 40W @ 80°C 0.62°C/W 2°C/W Aluminum Black Anodized
SK 589 100 AL

SK 589 100 AL

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 589 100 AL

Datasheet

SK 589 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.299" (33.00mm) - 2.618" (66.50mm) 21W @ 80°C 1.05°C/W 3.81°C/W Aluminum -
SK 03 100 SA

SK 03 100 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 03 100 SA

Datasheet

SK 03 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 4.724" (120.00mm) - 1.260" (32.00mm) 50W @ 105°C 0.65°C/W 2.1°C/W Aluminum Black Anodized
ALB-821AS-25

ALB-821AS-25

0.827'' (21mm) Wide Heatsink

Alberko Heatsinkonline

500
RFQ
ALB-821AS-25

Datasheet

ALB-821AS Retail Package Active Top Mount - Thermal Tape, Adhesive (Not Included) Rectangular, Fins 25.000" (635.00mm) 0.827" (21.00mm) - 0.295" (7.50mm) - - 9.62°C/W Aluminum Alloy Unfinished
SK 187 75 ME

SK 187 75 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 187 75 ME

Datasheet

SK 187 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.575" (40.00mm) - 2.323" (59.00mm) 32.26W @ 80°C 0.7°C/W 2.48°C/W Aluminum Natural Anodized
SK 187 75 SA

SK 187 75 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 187 75 SA

Datasheet

SK 187 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.575" (40.00mm) - 2.323" (59.00mm) 35.56W @ 80°C 0.7°C/W 2.25°C/W Aluminum Black Anodized
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