Thermal - Heat Sinks - Zui Ai Technology（Taiwan）Company.

Series：

Type：

Material：

Shape：

Length：

Width：

Attachment Method：

Height Off Base (Height of Fin)：

Power Dissipation @ Temperature Rise：

11.7W @ 75°C (1)
12.2W @ 75°C (1)
14.4W @ 75°C (1)
2.3W @ 75°C (3)
2.6W @ 75°C (3)
2.7W @ 75°C (1)
2.9W @ 75°C (7)
3.1W @ 75°C (1)
3.2W @ 75°C (1)
3.4W @ 75°C (1)
3.6W @ 75°C (4)
3.7W @ 75°C (1)
3.8W @ 75°C (4)
3.9W @ 75°C (1)
4.0W @ 75°C (4)
4.1W @ 75°C (3)
4.2W @ 75°C (2)
4.4W @ 75°C (2)
4.6W @ 75°C (1)
4.7W @ 75°C (2)
4.8W @ 75°C (1)
5.0W @ 75°C (1)
5.1W @ 75°C (2)
5.2W @ 75°C (1)
5.5W @ 75°C (3)
5.7W @ 75°C (1)
5.8W @ 75°C (1)
6.0W @ 75°C (1)
6.2W @ 75°C (1)
6.4W @ 75°C (1)
6.5W @ 75°C (3)
6.7W @ 75°C (1)
6.8W @ 75°C (1)
6.9W @ 75°C (1)
7.0W @ 75°C (1)
7.3W @ 75°C (1)
7.4W @ 75°C (2)
7.7W @ 75°C (1)
7.8W @ 75°C (2)
8.0W @ 75°C (1)
8.2W @ 75°C (1)
8.9W @ 75°C (2)
9.1W @ 75°C (1)
9.2W @ 75°C (2)
9.3W @ 75°C (1)
9.4W @ 75°C (1)
9.6W @ 75°C (1)
9.8W @ 75°C (1)
9.9W @ 75°C (1)

Thermal Resistance @ Forced Air Flow：

Thermal Resistance @ Natural：

10.14°C/W (2)
10.27°C/W (1)
10.71°C/W (1)
10.87°C/W (1)
11.19°C/W (1)
11.54°C/W (3)
11.72°C/W (1)
12.10°C/W (1)
12.50°C/W (1)
12.93°C/W (1)
13.16°C/W (1)
13.64°C/W (3)
14.33°C/W (1)
14.42°C/W (1)
14.71°C/W (2)
15.00°C/W (1)
15.79°C/W (1)
15.83°C/W (2)
16.30°C/W (1)
17.05°C/W (2)
17.74°C/W (2)
18.29°C/W (1)
18.34°C/W (2)
18.63°C/W (4)
19.22°C/W (1)
19.74°C/W (1)
20.27°C/W (1)
20.59°C/W (3)
20.83°C/W (1)
21.90°C/W (3)
22.06°C/W (1)
23.81°C/W (1)
24.19°C/W (1)
25.86°C/W (1)
25.92°C/W (4)
26.13°C/W (1)
26.32°C/W (1)
27.78°C/W (1)
28.85°C/W (2)
29.09°C/W (1)
33.28°C/W (3)
5.21°C/W (1)
6.15°C/W (1)
6.41°C/W (1)
7.58°C/W (1)
7.65°C/W (1)
7.81°C/W (1)
7.98°C/W (1)
8.06°C/W (1)
8.15°C/W (2)
8.24°C/W (1)
8.43°C/W (2)
9.15°C/W (1)
9.38°C/W (1)
9.62°C/W (2)
9.74°C/W (1)

Material Finish：

Image	Part Number	Manufacturer	Quantity	Delivery period	Unit Price	Buy	Description	Series	Type	Material	Shape	Length	Width	Attachment Method	Height Off Base (Height of Fin)	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material Finish
Image	Part Number	Manufacturer	Quantity	Delivery period	Unit Price	Buy	Description	Series	Type	Material	Shape	Length	Width	Attachment Method	Height Off Base (Height of Fin)	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material Finish
	HSS-B20-NP-12	CUI Inc.	1,485	3 days	-	HEATSINK TO-220 6.8W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 6.8W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	1.450" (36.83mm)	0.700" (17.80mm)	Bolt On	0.850" (21.60mm)	6.8W @ 75°C	3.47°C/W @ 200 LFM	14.33°C/W	Black Anodized
	HSS-B20-NP-06	CUI Inc.	1,930	3 days	-	HEATSINK TO-220 2.9W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.9W ALUMINUM	-	Board Level	Aluminum	Square, Fins	0.748" (19.00mm)	0.748" (19.00mm)	Bolt On	0.375" (9.52mm)	2.9W @ 75°C	7.51°C/W @ 200 LFM	26.32°C/W	Black Anodized
	HSS-B20-CP-01	CUI Inc.	4,921	3 days	-	HEATSINK TO-220 2.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.6W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.375" (9.53mm)	0.900" (22.86mm)	Clip	0.740" (18.79mm)	2.6W @ 75°C	6.32°C/W @ 200 LFM	28.85°C/W	Black Anodized
	HSS-B20-NP-04	CUI Inc.	1,434	3 days	-	HEATSINK TO-220 6.5W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 6.5W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	1.450" (36.83mm)	1.750" (44.45mm)	Bolt On	0.370" (9.40mm)	6.5W @ 75°C	3.76°C/W @ 200 LFM	11.54°C/W	Black Anodized
	HSS-B20-061H-03	CUI Inc.	5,156	3 days	-	HEATSINK TO-220 2.9W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.9W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.500" (12.70mm)	0.510" (13.00mm)	PC Pin	0.748" (19.00mm)	2.9W @ 75°C	5.72°C/W @ 200 LFM	25.86°C/W	Black Anodized
	HSE-B20250-040H-01	CUI Inc.	1,467	3 days	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	0.984" (25.00mm)	1.359" (34.50mm)	PC Pin	0.492" (12.50mm)	5.5W @ 75°C	4.44°C/W @ 200 LFM	13.64°C/W	Black Anodized
	HSS-B20-053H-01	CUI Inc.	1,551	3 days	-	HEATSINK TO-220 4.8W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 4.8W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.500" (12.70mm)	1.000" (25.40mm)	Bolt On and PC Pin	1.181" (30.00mm)	4.8W @ 75°C	5.83°C/W @ 200 LFM	15.79°C/W	Black Anodized
	HSE-B20254-035H-02	CUI Inc.	1,469	3 days	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.378" (35.00mm)	PC Pin	0.500" (12.70mm)	5.5W @ 75°C	4.39°C/W @ 200 LFM	13.64°C/W	Black Anodized
	HSE-B20254-035H-01	CUI Inc.	1,383	3 days	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.378" (35.00mm)	PC Pin	0.500" (12.70mm)	5.2W @ 75°C	4.42°C/W @ 200 LFM	14.42°C/W	Black Anodized
	HSE-B20254-035H	CUI Inc.	1,016	3 days	-	HEAT SINK, EXTRUSION, TO-220,25. MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220,25.	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.375" (34.93mm)	PC Pin	0.500" (12.70mm)	5.8W @ 75°C	3.28°C/W @ 200 LFM	12.93°C/W	Black Anodized
	HSE-B254-045H	CUI Inc.	1,123	3 days	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.772" (45.00mm)	PC Pin	0.500" (12.70mm)	6.4W @ 75°C	3.86°C/W @ 200 LFM	11.72°C/W	Black Anodized
	HSE-B20250-045H	CUI Inc.	1,061	3 days	-	HEAT SINK, EXTRUSION, TO-220, 50 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 50	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.969" (50.00mm)	1.181" (30.00mm)	PC Pin	0.472" (12.00mm)	7.7W @ 75°C	4.05°C/W @ 200 LFM	9.74°C/W	Black Anodized
	HSE-B20254-056H	CUI Inc.	1,195	3 days	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.378" (35.00mm)	PC Pin	0.500" (12.70mm)	5.5W @ 75°C	8.36°C/W @ 200 LFM	13.64°C/W	Black Anodized
	HSS-C2540-SMT-TR	CUI Inc.	1,950	3 days	-	HEAT SINK, STAMPING, TO-263, 19. MOQ: 1 MPQ: 1	HEAT SINK, STAMPING, TO-263, 19.	-	Board Level	Copper	Rectangular, Fins	0.763" (19.38mm)	1.000" (25.40mm)	-	0.450" (11.43mm)	3.8W @ 75°C	5.50°C/W @ 200 LFM	21.90°C/W	Tin
	HSS-C2540-SMT-TR	CUI Inc.	2,094	3 days	-	HEAT SINK, STAMPING, TO-263, 19. MOQ: 1 MPQ: 1	HEAT SINK, STAMPING, TO-263, 19.	-	Board Level	Copper	Rectangular, Fins	0.763" (19.38mm)	1.000" (25.40mm)	-	0.450" (11.43mm)	3.8W @ 75°C	5.50°C/W @ 200 LFM	21.90°C/W	Tin
	HSS-C2540-SMT-TR	CUI Inc.	2,094	3 days	-	HEAT SINK, STAMPING, TO-263, 19. MOQ: 1 MPQ: 1	HEAT SINK, STAMPING, TO-263, 19.	-	Board Level	Copper	Rectangular, Fins	0.763" (19.38mm)	1.000" (25.40mm)	-	0.450" (11.43mm)	3.8W @ 75°C	5.50°C/W @ 200 LFM	21.90°C/W	Tin
	HSS-B20-0635H-01	CUI Inc.	943	3 days	-	HEATSINK TO-220 2.7W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.7W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.520" (13.21mm)	0.375" (9.53mm)	PC Pin	0.748" (19.00mm)	2.7W @ 75°C	9.51°C/W @ 200 LFM	27.78°C/W	Black Anodized
	HSE-B2111-038	CUI Inc.	988	3 days	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level	Aluminum Alloy	Rectangular	0.984" (25.00mm)	0.625" (16.00mm)	Bolt On	0.354" (9.00mm)	3.8W @ 75°C	6.12°C/W @ 200 LFM	19.74°C/W	Black Anodized
	HSS-B20-065V-02	CUI Inc.	994	3 days	-	HEATSINK TO-220 2.9W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.9W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	0.748" (19.00mm)	0.504" (12.80mm)	PC Pin	0.500" (12.70mm)	2.9W @ 75°C	7.24°C/W @ 200 LFM	25.92°C/W	Black Anodized
	HSS-B20-0635H-02	CUI Inc.	971	3 days	-	HEATSINK TO-220 2.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.6W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.520" (13.21mm)	0.500" (12.70mm)	PC Pin	0.748" (19.00mm)	2.6W @ 75°C	10.49°C/W @ 200 LFM	29.09°C/W	Black Anodized

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