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
SK 646 37,5 AL

SK 646 37,5 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 646 37,5 AL

Datasheet

SK 646 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.55W @ 80°C 8.68°C/W 31.36°C/W Aluminum -
SK 552 25 SA

SK 552 25 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 552 25 SA

Datasheet

SK 552 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.551" (14.00mm) - 0.394" (10.00mm) 8.16W @ 80°C 3.04°C/W 9.8°C/W Aluminum Black Anodized
SK 552 25 ME

SK 552 25 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 552 25 ME

Datasheet

SK 552 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.551" (14.00mm) - 0.394" (10.00mm) 7.42W @ 80°C 3.04°C/W 10.78°C/W Aluminum Natural Anodized
FK 247 220 SA TO 220

FK 247 220 SA TO 220

Fans, Blower, Thermal Management

Fischer Elektronik

1,000
RFQ
FK 247 220 SA TO 220

Datasheet

FK 247 Bulk Active Board Level TO-220 Bolt On and Locking Pin Rectangular 1.102" (28.00mm) 0.661" (16.80mm) - 0.252" (6.40mm) 3.6W - 22.00°C/W Aluminum -
SAR21ASX25MM

SAR21ASX25MM

EXTRUDED HEATSINK 21X25MM

Sarnikon

500
RFQ
SAR21ASX25MM

Datasheet

21AS Bulk Active Board Level - PC Pin Rectangular, Fins 0.984" (25.00mm) 0.827" (21.00mm) - 0.467" (11.85mm) - - - Aluminum Natural Anodized
ALB-821AS-3

ALB-821AS-3

0.827'' (21mm) Wide Heatsink

Alberko Heatsinkonline

500
RFQ
ALB-821AS-3

Datasheet

ALB-821AS Retail Package Active Top Mount - Thermal Tape, Adhesive (Not Included) Rectangular, Fins 3.000" (76.20mm) 0.827" (21.00mm) - 0.295" (7.50mm) - - 9.62°C/W Aluminum Alloy Unfinished
ALB-821AS-2

ALB-821AS-2

0.827'' (21mm) Wide Heatsink

Alberko Heatsinkonline

500
RFQ
ALB-821AS-2

Datasheet

ALB-821AS Retail Package Active Top Mount - Thermal Tape, Adhesive (Not Included) Rectangular, Fins 2.000" (50.80mm) 0.827" (21.00mm) - 0.295" (7.50mm) - - 9.62°C/W Aluminum Alloy Unfinished
ALB-821AS-1

ALB-821AS-1

0.827'' (21mm) Wide Heatsink

Alberko Heatsinkonline

500
RFQ
ALB-821AS-1

Datasheet

ALB-821AS Retail Package Active Top Mount - Thermal Tape, Adhesive (Not Included) Rectangular, Fins 1.000" (25.40mm) 0.827" (21.00mm) - 0.295" (7.50mm) - - - Aluminum Alloy Unfinished
SK 493 50 AL

SK 493 50 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 493 50 AL

Datasheet

SK 493 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 1.220" (31.00mm) - 0.236" (6.00mm) 4.93W @ 80°C 4.5°C/W 16.24°C/W Aluminum -
FK 258 SA 220 TO 220

FK 258 SA 220 TO 220

Fans, Blower, Thermal Management

Fischer Elektronik

1,000
RFQ
FK 258 SA 220 TO 220

Datasheet

FK 258 Bulk Active Board Level TO-220 Clip Rectangular 0.807" (20.50mm) 0.984" (25.00mm) - 0.252" (6.40mm) 3.2W - 25.00°C/W Aluminum -
FK 220 SA 220 TO 220

FK 220 SA 220 TO 220

Fans, Blower, Thermal Management

Fischer Elektronik

1,000
RFQ
FK 220 SA 220 TO 220

Datasheet

FK 220 Bulk Active Board Level TO-220 Clip Rectangular 0.807" (20.50mm) 0.984" (25.00mm) - 0.252" (6.40mm) 3.2W - 25.00°C/W Aluminum -
SAR50ASX25MM

SAR50ASX25MM

EXTRUDED HEATSINK 12X25MM

Sarnikon

500
RFQ
SAR50ASX25MM

Datasheet

50AS Bulk Active Board Level TO-220 PC Pin Rectangular, Fins 0.984" (25.00mm) 0.472" (12.00mm) - 0.669" (17.00mm) - - - Aluminum Black Anodized
SK 646 50 AL

SK 646 50 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 646 50 AL

Datasheet

SK 646 Bulk Active Board Level, Extrusion - - Rectangular 1.969" (50.00mm) 0.394" (10.00mm) - 0.236" (6.00mm) 2.55W @ 80°C 8.68°C/W 31.36°C/W Aluminum -
SK 582 37,5 AL

SK 582 37,5 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 582 37,5 AL

Datasheet

SK 582 Bulk Active Board Level, Extrusion - - Rectangular 1.476" (37.50mm) 0.906" (23.00mm) - 0.394" (10.00mm) 5.49W @ 80°C 4.03°C/W 14.56°C/W Aluminum -
ICK 35 SA TO 220

ICK 35 SA TO 220

Extruded Heatsink (U-shape)

Fischer Elektronik

1,000
RFQ
ICK 35 SA TO 220

Datasheet

ICK 35 SA Bulk Active Board Level, Extrusion TO-220 - Rectangular 1.378" (35.00mm) 0.728" (18.50mm) - 0.591" (15.00mm) 5.33W @ 80°C 4.65°C/W 15°C/W Aluminum Black Anodized
SK 558 25 SA

SK 558 25 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 558 25 SA

Datasheet

SK 558 - Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.551" (14.00mm) - 0.551" (14.00mm) 10W @ 80°C 2.48°C/W 8°C/W Aluminum Black Anodized
SK 470 25 ME

SK 470 25 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 470 25 ME

Datasheet

SK 470 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.465" (11.80mm) - 0.315" (8.00mm) 3.67W @ 80°C 6.14°C/W 21.78°C/W Aluminum Natural Anodized
SK 470 25 SA

SK 470 25 SA

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 470 25 SA

Datasheet

SK 470 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.465" (11.80mm) - 0.315" (8.00mm) 4.04W @ 80°C 6.14°C/W 19.8°C/W Aluminum Black Anodized
SK 558 25 ME

SK 558 25 ME

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 558 25 ME

Datasheet

SK 558 Bulk Active Board Level, Extrusion - - Rectangular 0.984" (25.00mm) 0.551" (14.00mm) - 0.551" (14.00mm) 9.09W @ 80°C 2.48°C/W 8.8°C/W Aluminum Natural Anodized
SK 550 37,5 AL

SK 550 37,5 AL

Extruded Heatsink

Fischer Elektronik

1,000
RFQ
SK 550 37,5 AL

Datasheet

SK 550 - Active Board Level, Extrusion - - 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 -
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