CEX ELECTRONICS LIMITED - Independent distributor for electronic components CEX ELECTRONICS LIMITEDinfo@cexelec.com
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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
FK 278 MI 247 V TO 248

FK 278 MI 247 V TO 248

Fans, Blower, Thermal Management

Fischer Elektronik

1,000
RFQ
FK 278 MI 247 V TO 248

Datasheet

FK 278 Bulk Active Board Level, Vertical TO-248 Clip and Solder Pin Rectangular 1.378" (35.00mm) 0.575" (40.00mm) - 0.331" (8.40mm) 4.4W - 18.10°C/W Copper -
SK 489 25 SA

SK 489 25 SA

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 489 25 SA

Datasheet

SK 489 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.159" (29.44mm) - 1.772" (45.00mm) 22.86W @ 80°C 1.08°C/W 3.5°C/W Aluminum Black Anodized
SK 72 37,5 AL

SK 72 37,5 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 72 37,5 AL

Datasheet

SK 72 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 3.819" (97.00mm) - 0.984" (25.00mm) 36.7W @ 80°C 0.6°C/W 2.18°C/W Aluminum -
SK 495 50 AL

SK 495 50 AL

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 495 50 AL

Datasheet

SK 495 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.881" (47.79mm) - 1.299" (33.00mm) 23.81W @ 80°C 0.93°C/W 3.36°C/W Aluminum -
SK 489 25 ME

SK 489 25 ME

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 489 25 ME

Datasheet

SK 489 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.159" (29.44mm) - 1.772" (45.00mm) 20.78W @ 80°C 1.08°C/W 3.85°C/W Aluminum Natural Anodized
SK 492 50 ME

SK 492 50 ME

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 492 50 ME

Datasheet

SK 492 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.659" (16.75mm) - 1.024" (26.00mm) 10.7W @ 80°C 2.11°C/W 7.48°C/W Aluminum Natural Anodized
SK 51 50 ME

SK 51 50 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 51 50 ME

Datasheet

SK 51 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.362" (60.00mm) - 0.787" (20.00mm) 19.14W @ 80°C 1.18°C/W 4.18°C/W Aluminum Natural Anodized
SK 68 37,5 AL

SK 68 37,5 AL

Extruded Heatsink for PCB mounti

Fischer Elektronik

1,000
RFQ
SK 68 37,5 AL

Datasheet

SK 68 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 1.811" (46.00mm) - 1.299" (33.00mm) 18.31W @ 80°C 1.21°C/W 4.37°C/W Aluminum -
SK 485 75 AL

SK 485 75 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 485 75 AL

Datasheet

SK 485 ... Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 2.402" (61.00mm) - 0.350" (8.90mm) 17.86W @ 80°C 1.24°C/W 4.48°C/W Aluminum -
SK 472 50 AL

SK 472 50 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 472 50 AL

Datasheet

SK 472 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.634" (41.50mm) - 0.866" (22.00mm) 16.23W @ 80°C 1.36°C/W 4.93°C/W Aluminum -
SK 511 75 ME

SK 511 75 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 511 75 ME

Datasheet

SK 511 Bulk Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.772" (45.00mm) - 0.236" (6.00mm) 6.32W @ 80°C 3.56°C/W 12.65°C/W Aluminum Natural Anodized
SK 492 84 AL

SK 492 84 AL

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 492 84 AL

Datasheet

SK 492 Bulk Active Board Level, Extrusion - - Rectangular 3.307" (84.00mm) 0.659" (16.75mm) - 1.024" (26.00mm) 10.5W @ 80°C 2.11°C/W 7.62°C/W Aluminum -
SK 52 37,5 AL

SK 52 37,5 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 52 37,5 AL

Datasheet

SK 52 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 4.134" (105.00mm) - 0.748" (19.00mm) 37.5W @ 105°C 0.78°C/W 2.8°C/W Aluminum -
SK 495 25 SA

SK 495 25 SA

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 495 25 SA

Datasheet

SK 495 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 1.881" (47.79mm) - 1.299" (33.00mm) 26.67W @ 80°C 0.93°C/W 3°C/W Aluminum Black Anodized
SK 561 100 ME

SK 561 100 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 561 100 ME

Datasheet

SK 561 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.100" (27.95mm) - 0.315" (8.00mm) 6.61W @ 80°C 3.41°C/W 12.1°C/W Aluminum Natural Anodized
SK 492 50 SA

SK 492 50 SA

Extruded Heatsink for lock-in re

Fischer Elektronik

1,000
RFQ
SK 492 50 SA

Datasheet

SK 492 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.659" (16.75mm) - 1.024" (26.00mm) 11.76W @ 80°C 2.11°C/W 6.8°C/W Aluminum Black Anodized
SK 511 75 SA

SK 511 75 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 511 75 SA

Datasheet

SK 511 - Active Board Level, Extrusion - - Rectangular 2.953" (75.00mm) 1.772" (45.00mm) - 0.236" (6.00mm) 6.96W @ 80°C 3.56°C/W 11.5°C/W Aluminum Black Anodized
SK 561 100 SA

SK 561 100 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 561 100 SA

Datasheet

SK 561 Bulk Active Board Level, Extrusion - - Rectangular 3.937" (100.00mm) 1.100" (27.95mm) - 0.315" (8.00mm) 7.27W @ 80°C 3.41°C/W 11°C/W Aluminum Black Anodized
SK 51 50 SA

SK 51 50 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 51 50 SA

Datasheet

SK 51 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 2.362" (60.00mm) - 0.787" (20.00mm) 21.05W @ 80°C 1.18°C/W 3.8°C/W Aluminum Black Anodized
SK 63 37,5 ME

SK 63 37,5 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 63 37,5 ME

Datasheet

SK 63 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 2.559" 65.00mm) - 1.063" (27.00mm) 29.09W @ 80°C 0.78°C/W 2.75°C/W Aluminum Natural Anodized
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