Same Sky (Formerly CUI Devices) Heat Sinks

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Mfr Part #	Quantity Available	Price	Series	Package	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
HSB05-171711 HEAT SINK, BGA, 17 X 17 X 11.5 M Same Sky (Formerly CUI Devices)	5,618 In Stock	1 : $1.15000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.669" (17.00mm)	0.669" (17.00mm)	-	0.453" (11.50mm)	3.1W @ 75°C	8.40°C/W @ 200 LFM	23.91°C/W	Aluminum Alloy	Black Anodized
HSS-B20-NP-06 HEATSINK TO-220 2.9W ALUMINUM Same Sky (Formerly CUI Devices)	2,867 In Stock	1 : $0.39000 Bag	HSS	Bag	Active	Board Level	TO-220	Bolt On	Square, Fins	0.748" (19.00mm)	0.748" (19.00mm)	-	0.375" (9.52mm)	2.9W @ 75°C	7.51°C/W @ 200 LFM	26.32°C/W	Aluminum	Black Anodized
HSE-B2111-038 HEAT SINK, EXTRUSION, TO-220, 25 Same Sky (Formerly CUI Devices)	10,734 In Stock	1 : $0.48000 Box	HSE	Box	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	0.984" (25.00mm)	0.625" (16.00mm)	-	0.354" (9.00mm)	3.8W @ 75°C	6.12°C/W @ 200 LFM	19.74°C/W	Aluminum Alloy	Black Anodized
HSS-B20-0635H-01 HEATSINK TO-220 2.7W ALUMINUM Same Sky (Formerly CUI Devices)	10,359 In Stock	1 : $0.52000 Bag	HSS	Bag	Active	Board Level, Vertical	TO-220	PC Pin	Rectangular, Fins	0.520" (13.20mm)	0.375" (9.53mm)	-	0.748" (19.00mm)	2.7W @ 75°C	9.51°C/W @ 200 LFM	27.78°C/W	Aluminum	Black Anodized
HSS-B20-NP-04 HEATSINK TO-220 6.5W ALUMINUM Same Sky (Formerly CUI Devices)	5,959 In Stock	1 : $0.67000 Box	HSS	Box	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.450" (36.83mm)	1.750" (44.45mm)	-	0.370" (9.40mm)	6.5W @ 75°C	3.76°C/W @ 200 LFM	11.54°C/W	Aluminum	Black Anodized
HSS-B20-NPR-02 HEATSINK TO-220 5.1W ALUMINUM Same Sky (Formerly CUI Devices)	2,648 In Stock	1 : $0.69000 Bag	HSS	Bag	Active	Board Level, Vertical	TO-220	Bolt On and Board Mounts	Rectangular, Fins	0.500" (12.70mm)	1.000" (25.40mm)	-	1.180" (29.97mm)	5.1W @ 75°C	4.20°C/W @ 200 LFM	14.71°C/W	Aluminum	Black Anodized
HSB02-101007 HEAT SINK, BGA, 10 X 10 X 7 MM Same Sky (Formerly CUI Devices)	1,976 In Stock	1 : $0.70000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.394" (10.00mm)	0.394" (10.00mm)	-	0.275" (7.00mm)	2.0W @ 75°C	16.50°C/W @ 200 LFM	37.90°C/W	Aluminum Alloy	Black Anodized
HSS-B20-NP-12 HEATSINK TO-220 6.8W ALUMINUM Same Sky (Formerly CUI Devices)	1,154 In Stock	1 : $0.71000 Bag	HSS	Bag	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.450" (36.83mm)	0.700" (17.80mm)	-	0.850" (21.60mm)	6.8W @ 75°C	3.47°C/W @ 200 LFM	14.33°C/W	Aluminum	Black Anodized
HSB01-080808 HEAT SINK, BGA, 8.5 X 8.5 X 8 MM Same Sky (Formerly CUI Devices)	2,415 In Stock	1 : $0.76000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.335" (8.50mm)	0.335" (8.50mm)	-	0.315" (8.00mm)	1.9W @ 75°C	16.00°C/W @ 200 LFM	39.10°C/W	Aluminum Alloy	Black Anodized
HSB03-141406 HEAT SINK, BGA, 14 X 14 X 6 MM Same Sky (Formerly CUI Devices)	3,208 In Stock	1 : $0.77000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.551" (14.00mm)	0.551" (14.00mm)	-	0.236" (6.00mm)	2.1W @ 75°C	15.80°C/W @ 200 LFM	35.98°C/W	Aluminum Alloy	Black Anodized
HSS-B20-CP-01 HEATSINK TO-220 2.6W ALUMINUM Same Sky (Formerly CUI Devices)	2,041 In Stock	1 : $0.79000 Box	HSS	Box	Active	Board Level	TO-220	Clip	Rectangular, Fins	0.375" (9.53mm)	0.900" (22.86mm)	-	0.740" (18.79mm)	2.6W @ 75°C	6.32°C/W @ 200 LFM	28.85°C/W	Aluminum	Black Anodized
HSB18-232310 HEAT SINK, BGA, 23 X 23 X 10 MM Same Sky (Formerly CUI Devices)	4,224 In Stock	1 : $0.84000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.906" (23.00mm)	0.906" (23.00mm)	-	0.394" (10.00mm)	3.7W @ 75°C	6.80°C/W @ 200 LFM	20.41°C/W	Aluminum Alloy	Black Anodized
HSE-B20250-040H-01 HEAT SINK, EXTRUSION, TO-220, 25 Same Sky (Formerly CUI Devices)	1,145 In Stock	1 : $0.85000 Box	HSE	Box	Active	Board Level, Vertical	TO-220	PC Pin	Rectangular, Angled Fins	0.984" (25.00mm)	1.359" (34.50mm)	-	0.492" (12.50mm)	5.5W @ 75°C	4.44°C/W @ 200 LFM	13.64°C/W	Aluminum Alloy	Black Anodized
HSB08-212106 HEAT SINK, BGA, 21 X 21 X 6 MM Same Sky (Formerly CUI Devices)	1,176 In Stock	1 : $0.91000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.827" (21.00mm)	0.827" (21.00mm)	-	0.236" (6.00mm)	3.0W @ 75°C	9.70°C/W @ 200 LFM	25.40°C/W	Aluminum Alloy	Black Anodized
HSB12-272706 HEAT SINK, BGA, 27 X 27 X 6 MM Same Sky (Formerly CUI Devices)	1,101 In Stock	1 : $0.91000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	1.063" (27.00mm)	1.063" (27.00mm)	-	0.236" (6.00mm)	3.8W @ 75°C	7.80°C/W @ 200 LFM	19.59°C/W	Aluminum Alloy	Black Anodized
HSB03-121218 HEAT SINK, BGA, 12 X 12 X 18 MM Same Sky (Formerly CUI Devices)	1,430 In Stock	1 : $0.93000 Tray	HSB	Tray	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.472" (12.00mm)	0.472" (12.00mm)	-	0.709" (18.00mm)	3.1W @ 75°C	9.60°C/W @ 200 LFM	24.01°C/W	Aluminum Alloy	Black Anodized
HSB09-212115 HEAT SINK, BGA, 21 X 21 X 15 MM Same Sky (Formerly CUI Devices)	2,558 In Stock	1 : $0.95000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.827" (21.00mm)	0.827" (21.00mm)	-	0.591" (15.00mm)	4.3W @ 75°C	6.00°C/W @ 200 LFM	17.39°C/W	Aluminum Alloy	Black Anodized
HSS24-B20-NP HEAT SINK, STAMPING, TO-218/TO-2 Same Sky (Formerly CUI Devices)	2,779 In Stock	1 : $1.00000 Box	HSS	Box	Active	Top Mount	TO-218, TO-220	Bolt On	Rectangular, Fins	1.654" (42.00mm)	1.496" (38.00mm)	-	0.984" (25.00mm)	7.85W @ 75°C	4.30°C/W @ 200 LFM	9.56°C/W	Aluminum Alloy	Black Anodized
HSE-B20350-NP HEAT SINK, EXTRUSION, TO-220, 35 Same Sky (Formerly CUI Devices)	809 In Stock	1 : $1.02000 Tray	HSE	Tray	Active	Board Level	TO-220	Bolt On	Rectangular, Fins	1.378" (35.00mm)	1.142" (29.00mm)	-	0.472" (12.00mm)	6.2W @ 75°C	2.91°C/W @ 200 LFM	12.10°C/W	Aluminum Alloy	Black Anodized
HSE-B20380-040H HEAT SINK, EXTRUSION, TO-220, 38 Same Sky (Formerly CUI Devices)	1,071 In Stock	1 : $1.04000 Tray	HSE	Tray	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Angled Fins	1.496" (38.00mm)	1.378" (35.00mm)	-	0.492" (12.50mm)	7.4W @ 75°C	3.94°C/W @ 200 LFM	10.14°C/W	Aluminum Alloy	Black Anodized
HSB06-181810 HEAT SINK, BGA, 18 X 18 X 10 MM Same Sky (Formerly CUI Devices)	1,111 In Stock	1 : $1.08000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	0.709" (18.00mm)	0.709" (18.00mm)	-	0.394" (10.00mm)	3.2W @ 75°C	18.80°C/W @ 200 LFM	23.68°C/W	Aluminum Alloy	Black Anodized
HSE-B20381-035H HEAT SINK, EXTRUSION, TO-220, 38 Same Sky (Formerly CUI Devices)	326 In Stock	1 : $1.18000 Box	HSE	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Angled Fins	1.500" (38.10mm)	1.375" (34.93mm)	-	0.500" (12.70mm)	6.5W @ 75°C	3.66°C/W @ 200 LFM	11.54°C/W	Aluminum Alloy	Black Anodized
HSE-B20254-040H HEAT SINK, EXTRUSION, TO-220, 25 Same Sky (Formerly CUI Devices)	2,107 In Stock	1 : $1.19000 Bag	HSE	Bag	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Fins	1.000" (25.40mm)	1.260" (32.00mm)	-	0.551" (14.00mm)	5.7W @ 75°C	7.74°C/W @ 200 LFM	13.16°C/W	Aluminum Alloy	Black Anodized
HSB26-343408 HEAT SINK, BGA, 33.5 X 33.5 X 8 Same Sky (Formerly CUI Devices)	522 In Stock	1 : $1.22000 Box	HSB	Box	Active	Top Mount	BGA	Adhesive (Not Included)	Square, Pin Fins	1.319" (33.50mm)	1.319" (33.50mm)	-	0.315" (8.00mm)	4.94W @ 75°C	5.30°C/W @ 200 LFM	15.19°C/W	Aluminum Alloy	Black Anodized
HSE-B250-04H HEAT SINK, EXTRUSION, TO-220, 25 Same Sky (Formerly CUI Devices)	2,213 In Stock	1 : $1.24000 Box	HSE	Box	Active	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular, Fins	0.984" (25.00mm)	1.378" (35.00mm)	-	1.000" (25.40mm)	8.0W @ 75°C	3.26°C/W @ 200 LFM	13.60°C/W	Aluminum Alloy	Black Anodized

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Passive heat exchangers that transfer the heat generated by an electronic component to a fluid medium, often air or a liquid coolant, dissipating it away from the device to maintain an optimal operating temperature. They are designed to maximize the surface area in contact with the medium surrounding it. They are usually made out of copper or aluminum due to their high thermal conductivity.

Same Sky (Formerly CUI Devices) Heat Sinks

Same Sky (Formerly CUI Devices) Heat Sinks

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