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

Series：

Type：

Material：

Shape：

Length：

Width：

Attachment Method：

Package Cooled：

Height Off Base (Height of Fin)：

Power Dissipation @ Temperature Rise：

Thermal Resistance @ Forced Air Flow：

Thermal Resistance @ Natural：

10.14°C/W (2)
10.27°C/W (1)
10.30°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)
12.71°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)
15.96°C/W (1)
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)
35.71°C/W (2)
4.49°C/W (2)
4.70°C/W (1)
4.97°C/W (1)
5.21°C/W (1)
5.47°C/W (1)
5.77°C/W (1)
5.86°C/W (3)
6.15°C/W (1)
6.25°C/W (3)
6.41°C/W (1)
6.94°C/W (1)
7.50°C/W (2)
7.58°C/W (1)
7.65°C/W (2)
7.81°C/W (1)
7.98°C/W (1)
8.06°C/W (1)
8.15°C/W (2)
8.24°C/W (2)
8.43°C/W (2)
9.15°C/W (2)
9.26°C/W (2)
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	Package Cooled	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	Package Cooled	Height Off Base (Height of Fin)	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material Finish
	HSS-B20-0503H	CUI Inc.	394	3 days	-	HEATSINK TO-220 4.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 4.6W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.500" (12.70mm)	1.000" (25.40mm)	PC Pin	TO-220	1.180" (29.97mm)	4.6W @ 75°C	5.44°C/W @ 200 LFM	16.30°C/W	Black Anodized
	HSE-B18254-035H	CUI Inc.	746	3 days	-	HEAT SINK, EXTRUSION, TO-218, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-218, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.638" (41.60mm)	PC Pin	TO-218	0.984" (25.00mm)	8.1W @ 75°C	3.09°C/W @ 200 LFM	9.26°C/W	Black Anodized
	HSE-B18254-035H-00	CUI Inc.	748	3 days	-	HEAT SINK, EXTRUSION, TO-218, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-218, 25	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.638" (41.60mm)	PC Pin	TO-218	0.984" (25.00mm)	10.0W @ 75°C	4.03°C/W @ 200 LFM	7.50°C/W	Black Anodized
	HSE-B18254-0396H	CUI Inc.	592	3 days	-	HEAT SINK, EXTRUSION,TO-218, 25. MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION,TO-218, 25.	HSE	Board Level, Vertical	Aluminum Alloy	Rectangular, Fins	1.000" (25.40mm)	1.654" (42.00mm)	PC Pin	TO-218	0.984" (25.00mm)	8.2W @ 75°C	2.29°C/W @ 200 LFM	9.15°C/W	Black Anodized
	HSS-B20-NP-01	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 4.1W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 4.1W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	0.787" (20.00mm)	0.775" (19.68mm)	-	TO-220	0.303" (7.70mm)	4.1W @ 75°C	7.05°C/W @ 200 LFM	18.29°C/W	Black Anodized
	HSS-B20-NP-03	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.6W ALUMINUM	-	Top Mount	Aluminum	Rectangular, Fins	0.279" (7.10mm)	0.787" (20.00mm)	-	TO-220	1.000" (25.40mm)	3.6W @ 75°C	7.45°C/W @ 200 LFM	20.83°C/W	Black Anodized
	HSE-B1711-032	CUI Inc.	Inquiry	-	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level	Aluminum Alloy	Rectangular, Fins	0.984" (25.00mm)	0.625" (16.00mm)	Bolt On	TO-220	0.354" (9.00mm)	3.7W @ 75°C	6.84°C/W @ 200 LFM	20.27°C/W	Black Anodized
	HSE-B1711-057	CUI Inc.	Inquiry	-	-	HEAT SINK, EXTRUSION, TO-220, 25 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 25	HSE	Board Level	Aluminum Alloy	Rectangular, Fins	0.984" (25.00mm)	0.625" (16.00mm)	Bolt On	TO-220	0.354" (9.00mm)	3.1W @ 75°C	7.07°C/W @ 200 LFM	24.19°C/W	Black Anodized
	HSS-B20-NP-02	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.6W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	0.748" (19.00mm)	0.830" (21.08mm)	-	TO-220	0.394" (10.00mm)	3.6W @ 75°C	5.39°C/W @ 200 LFM	20.59°C/W	Black Anodized
	HSS-B20-0452H	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.2W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.2W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.500" (12.70mm)	0.500" (12.70mm)	PC Pin	TO-220	0.748" (19.00mm)	3.2W @ 75°C	6.40°C/W @ 200 LFM	23.81°C/W	Black Anodized
	HSS-B20-061H-01	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 2.3W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.3W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.500" (12.70mm)	0.504" (12.80mm)	PC Pin	TO-220	0.590" (15.00mm)	2.3W @ 75°C	11.04°C/W @ 200 LFM	33.28°C/W	Black Anodized
	HSS-B20-043H-01	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 2.9W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 2.9W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Angled Fins	0.211" (5.35mm)	0.874" (22.20mm)	PC Pin	TO-220	1.250" (31.75mm)	2.9W @ 75°C	8.18°C/W @ 200 LFM	26.13°C/W	Black Anodized
	HSS-B20-NP-11	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 4.4W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 4.4W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	0.700" (17.78mm)	0.779" (19.80mm)	Bolt On	TO-220	0.850" (21.60mm)	4.4W @ 75°C	6.86°C/W @ 200 LFM	17.05°C/W	Black Anodized
	HSS-B20-085H	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.4W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.4W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.303" (7.70mm)	0.775" (19.68mm)	PC Pin	TO-220	0.790" (20.00mm)	3.4W @ 75°C	7.46°C/W @ 200 LFM	22.06°C/W	Black Anodized
	HSS-B20-NP-14	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 4.4W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 4.4W ALUMINUM	-	Top Mount	Aluminum	Rectangular, Fins	0.375" (9.53mm)	0.985" (25.00mm)	Clip and Board Mounts	TO-220	0.961" (24.40mm)	4.4W @ 75°C	4.51°C/W @ 200 LFM	17.05°C/W	Black Anodized
	HSS-B20-074H	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.6W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.394" (10.00mm)	0.830" (21.08mm)	PC Pin	TO-220	0.748" (19.00mm)	3.6W @ 75°C	5.39°C/W @ 200 LFM	20.59°C/W	Black Anodized
	HSS-C52-NP-SMT-TR	CUI Inc.	Inquiry	-	-	HEAT SINK, STAMPING, TO-252, 8 X MOQ: 1 MPQ: 1	HEAT SINK, STAMPING, TO-252, 8 X	-	Top Mount	Copper	Rectangular, Fins	0.315" (8.00mm)	0.900" (22.86mm)	-	TO-252 (DPAK)	0.400" (10.16mm)	2.1W @ 75°C	10.05°C/W @ 200 LFM	35.71°C/W	Tin
	HSS-B20-NP-13	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.9W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.9W ALUMINUM	-	Board Level	Aluminum	Rectangular, Fins	0.700" (17.78mm)	1.750" (44.45mm)	Bolt On	TO-220	0.375" (9.52mm)	3.9W @ 75°C	5.88°C/W @ 200 LFM	19.22°C/W	Black Anodized
	HSS-B20-097H	CUI Inc.	Inquiry	-	-	HEATSINK TO-220 3.6W ALUMINUM MOQ: 1 MPQ: 1	HEATSINK TO-220 3.6W ALUMINUM	-	Board Level, Vertical	Aluminum	Rectangular, Fins	0.394" (10.00mm)	0.830" (21.08mm)	PC Pin	TO-220	0.748" (19.00mm)	3.6W @ 75°C	5.39°C/W @ 200 LFM	20.59°C/W	Black Anodized
	HSE-B20350-NP	CUI Inc.	Inquiry	-	-	HEAT SINK, EXTRUSION, TO-220, 35 MOQ: 1 MPQ: 1	HEAT SINK, EXTRUSION, TO-220, 35	HSE	Board Level	Aluminum Alloy	Rectangular, Fins	1.378" (35.00mm)	1.142" (29.00mm)	Bolt On	TO-220	0.472" (12.00mm)	6.2W @ 75°C	2.91°C/W @ 200 LFM	12.10°C/W	Black Anodized

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