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Thermal - Heat Sinks

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Series	Manufacturer	Type	Package Cooled	Attachment Method	Shape	Length	Width	Diameter	Height Off Base (Height of Fin)	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material	Material Finish

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Digi-Key Part Number	Manufacturer Part Number	Description	Series	Manufacturer	Type	Package Cooled	Attachment Method	Shape	Length	Width	Diameter	Height Off Base (Height of Fin)	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material	Material Finish	Quantity Available	Minimum Quantity	Unit Price

HS380-ND	530002B02500G	HEATSINK TO-220 POWER W/PINS BK	-	Aavid Thermalloy	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular	2.461" (63.50mm)	1.650" (41.91mm)	-	1.000" (25.40mm)	20W @ 60°C	2.0°C/W @ 300 LFM	2.6°C/W	Aluminum	Black Anodized	3,499 - Immediate	1	2.06000
HS335-ND	530101B00150G	HEATSINK 1.75" HI RISE TO-218	-	Aavid Thermalloy	Board Level, Vertical	TO-218	Clip and Board Mounts	Square	1.750" (44.45mm)	0.490" (12.44mm)	-	1.750" (44.45mm)	4W @ 30°C	1.5°C/W @ 400 LFM	6.3°C/W	Aluminum	Black Anodized	4,743 - Immediate	1	2.10000
HS258-ND	322605C00000	HEATSINK TO-5 1.25W H=.25 GOLD	-	Aavid Thermalloy	Top Mount	TO-5	Press Fit	Cylindrical	-	-	0.315" (8.00mm) ID, 0.750" (19.05mm) OD	0.250" (6.35mm)	1W @ 60°C	25°C/W @ 200 LFM	54°C/W	Aluminum	Gold Chromate	4,092 - Immediate	1 Non-Stock	2.16000	-
345-1111-ND	658-25ABT1E	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.250" (6.35mm)	2W @ 40°C	5°C/W @ 500 LFM	-	Aluminum	Black Anodized	1,127 - Immediate	1	2.18000
HS343-ND	530102B00150G	HEAT SINK 1.75" HIGH RISE TO-220	-	Aavid Thermalloy	Board Level, Vertical	TO-220	Clip and Board Mounts	Square	1.750" (44.45mm)	0.490" (12.44mm)	-	1.750" (44.45mm)	4W @ 30°C	1.5°C/W @ 400 LFM	6.3°C/W	Aluminum	Black Anodized	6,392 - Immediate	1	2.20000
HS374-ND	529902B02500G	HEATSINK TO-220 W/PINS BLK 2"	-	Aavid Thermalloy	Board Level, Vertical	TO-220	Bolt On and PC Pin	Rectangular	2.000" (50.80mm)	1.650" (41.91mm)	-	1.000" (25.40mm)	6W @ 30°C	1.5°C/W @ 500 LFM	4.5°C/W	Aluminum	Black Anodized	3,655 - Immediate	1	2.25000
HS420-ND	534302B03553G	HEATSINK TO-220 W/TAB-KOOLCLIP	-	Aavid Thermalloy	Board Level, Vertical	TO-220	Clip and PC Pin	Rectangular	2.000" (50.80mm)	1.380" (35.05mm)	-	0.480" (12.19mm)	6W @ 60°C	5.0°C/W @ 200 LFM	10.4°C/W	Aluminum	Black Anodized	3,879 - Immediate	1	2.27000	-
345-1109-ND	625-25ABT4E	HEATSINK CPU 25MM SQ W/DBL TAPE	625	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	0.984" (24.99mm)	0.984" (24.99mm)	-	0.250" (6.35mm)	-	12°C/W @ 500 LFM	-	Aluminum	Black Anodized	3,850 - Immediate	1	2.28000
345-1067-ND	658-35ABT3	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.350" (8.89mm)	-	3.0°C/W @ 800 LFM	-	Aluminum	Black Anodized	1,919 - Immediate	1	2.34000
345-1096-ND	658-25ABT3	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.250" (6.35mm)	2W @ 40°C	5°C/W @ 500 LFM	-	Aluminum	Black Anodized	1,678 - Immediate	1	2.34000
345-1103-ND	658-25ABT4E	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Adhesive	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.250" (6.35mm)	2W @ 40°C	5°C/W @ 500 LFM	-	Aluminum	Black Anodized	2,247 - Immediate	1	2.36000
345-1100-ND	658-35ABT4E	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.350" (8.89mm)	-	3.0°C/W @ 800 LFM	-	Aluminum	Black Anodized	2,015 - Immediate	1	2.38000
HS242-ND	322505B00000G	HEATSINK TO-5 .4" BLK	-	Aavid Thermalloy	Top Mount	TO-5	Press Fit	Cylindrical	-	-	0.315" (8.00mm) ID, 0.750" (19.05mm) OD	0.400" (10.16mm)	0.5W @ 30°C	15°C/W @ 400 LFM	56°C/W	Aluminum	Black Anodized	1,765 - Immediate	1	2.43000	-
345-1097-ND	658-45ABT3	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.450" (11.43mm)	3W @ 50°C	6.0°C/W @ 200 LFM	-	Aluminum	Black Anodized	1,073 - Immediate	1	2.44000
HS257-ND	322605B00000G	HEATSINK TO-5 1.25W H=.25" BLK	-	Aavid Thermalloy	Top Mount	TO-5	Press Fit	Cylindrical	-	-	0.315" (8.00mm) ID, 0.750" (19.05mm) OD	0.250" (6.35mm)	1W @ 60°C	25°C/W @ 200 LFM	54°C/W	Aluminum	Black Anodized	14,519 - Immediate	1	2.45000	-
345-1108-ND	658-60ABT1E	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.600" (15.24mm)	2.5W @ 30°C	2.0°C/W @ 500 LFM	-	Aluminum	Black Anodized	930 - Immediate	1	2.46000
345-1110-ND	658-45ABT4E	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.450" (11.43mm)	3W @ 50°C	6.0°C/W @ 200 LFM	-	Aluminum	Black Anodized	536 - Immediate	1	2.50000
345-1075-ND	658-60ABT3	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.598" (15.20mm)	2.5W @ 30°C	2.0°C/W @ 500 LFM	-	Aluminum	Black Anodized	2,081 - Immediate	1	2.54000
345-1102-ND	658-60ABT4E	HEATSINK CPU 27.9MM SQ W/ADH BLK	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.598" (15.20mm)	2.5W @ 30°C	2.0°C/W @ 500 LFM	-	Aluminum	Black Anodized	497 - Immediate	1	2.58000
HS101-ND	323005B00000G	HEATSINK TO-5 2W BLK	-	Aavid Thermalloy	Board Level	TO-5	Press Fit	Cylindrical	-	-	0.318" (8.07mm) ID, 0.750" (19.05mm) OD	0.250" (6.35mm)	1.4W @ 70°C	35°C/W @ 200 LFM	56°C/W	Aluminum	Black Anodized	2,227 - Immediate	1	2.60000
HS340-ND	592201B03400G	HEAT SINK TO-218 12W SPRING ACT	-	Aavid Thermalloy	Board Level, Vertical	TO-218	Clip and PC Pin	Rectangular	1.970" (50.04mm)	1.950" (49.53mm)	-	0.500" (12.70mm)	4W @ 30°C	1°C/W @ 500 LFM	6.8°C/W	Aluminum	Black Anodized	3,739 - Immediate	1	2.84000
345-1071-ND	658-45ABT4	HEATSINK CPU 28MM SQ BLK W/TAPE	658	Wakefield Thermal Solutions	Top Mount	BGA	Thermal Tape, Adhesive (Included)	Square, Pin Fins	1.100" (27.94mm)	1.100" (27.94mm)	-	0.450" (11.43mm)	3W @ 50°C	6.0°C/W @ 200 LFM	-	Aluminum	Black Anodized	421 - Immediate	1 Non-Stock	3.00000
345-1057-ND	528-45AB	HEATSINK DC/DC HALF BRICK VERT	528	Wakefield Thermal Solutions	Board Level	Half Brick DC/DC Converter	Bolt On	Rectangular	2.40" (61.00mm)	2.280" (57.91mm)	-	0.450" (11.43mm)	7W @ 60°C	3.2°C/W @ 300 LFM	-	Aluminum	Black Anodized	742 - Immediate	1	3.08000
HS264-ND	500403B00000G	HEATSINK TO-3 12W H=1.25" BLK	-	Aavid Thermalloy	Board Level	TO-3	Bolt On	Square	1.81" (45.97mm)	1.810" (45.97mm)	-	1.250" (31.75mm)	10W @ 50°C	2°C/W @ 400 LFM	5°C/W	Aluminum	Black Anodized	741 - Immediate	1	3.15000
HS110-3-ND	569003B00000G	COOLER FOR TO-3 20 WATTS	-	Aavid Thermalloy	Board Level	TO-3	Bolt On	Square	1.83" (46.48mm)	1.830" (46.48mm)	-	1.310" (33.27mm)	12W @ 60°C	1.5°C/W @ 500 LFM	5.5°C/W	Aluminum	Black Anodized	5,827 - Immediate	1	3.19000	-