Picture	Mfr Part #	Unit Price		Inventory	MANUFACTURE	Description	Series	Part Status	Material	Type	Shape	Length	Width	Diameter	Package Cooled	Attachment Method	Height Off Base (Height of Fin)	Power Dissipation @ Temperature Rise	Thermal Resistance @ Forced Air Flow	Thermal Resistance @ Natural	Material Finish
GLOBAL STOCKS
	HSE-B500-04H	Per Unit $0.95	PDF RFQ	3,128 In-stock	CUI Inc.	HEAT SINK, EXTRUSION, TO-220, 50	HSE	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	1.378" (35.00mm)	-	TO-220	PC Pin	1.000" (25.40mm)	12.2W @ 75°C	2.88°C/W @ 200 LFM	6.15°C/W	Black Anodized
	HSE-B20500-040H-01	Per Unit $0.67	PDF RFQ	5,091 In-stock	CUI Inc.	HEAT SINK, EXTRUSION, TO-220, 50	HSE	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	1.359" (34.50mm)	-	TO-220	PC Pin	0.492" (12.50mm)	8.9W @ 75°C	8.90°C/W @ 200 LFM	8.43°C/W	Black Anodized
	HSE-B20500-040H	Per Unit $0.61	PDF RFQ	3,320 In-stock	CUI Inc.	HEAT SINK, EXTRUSION, TO-220, 50	HSE	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	1.378" (35.00mm)	-	TO-220	PC Pin	0.492" (12.50mm)	8.9W @ 75°C	4.85°C/W @ 200 LFM	8.43°C/W	Black Anodized
	CR401-50AE	Per Unit $4.25	PDF RFQ	2,715 In-stock	Ohmite	ALUMINUM HEATSINK 50MM BLK ANODI	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	2.953" (75.00mm)	-	TO-401	2 Clips and PC Pin	-	-	-	3.80°C/W	Black Anodized
	CR401-50VE	Per Unit $3.89	PDF RFQ	4,993 In-stock	Ohmite	ALUMINUM HEATSINK 50MM DEGREASED	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	2.953" (75.00mm)	-	TO-401	2 Clips and PC Pin	-	-	-	3.80°C/W	Degreased
	CR201-50AE	Per Unit $3.83	PDF RFQ	3,137 In-stock	Ohmite	ALUMINUM HEATSINK 50MM BLK ANODI	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	2.953" (75.00mm)	-	TO-201	3 Clips and PC Pin	-	-	-	3.30°C/W	Black Anodized
	CR301-50AE	Per Unit $3.13	PDF RFQ	5,130 In-stock	Ohmite	ALUMINUM HEATSINK 50MM BLK ANODI	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	2.362" (60.00mm)	-	TO-301	2 Clips and PC Pin	-	-	-	5.70°C/W	Black Anodized
	CR101-50AE	Per Unit $2.60	PDF RFQ	2,781 In-stock	Ohmite	ALUMINUM HEATSINK 50MM BLK ANODI	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	1.969" (50.00mm)	-	TO-101	3 Clips and PC Pin	-	-	-	5.30°C/W	Black Anodized
	CR101-50VE	Per Unit $2.25	PDF RFQ	4,594 In-stock	Ohmite	ALUMINUM HEATSINK 50MM DEGREASED	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	1.969" (50.00mm)	-	TO-101	3 Clips and PC Pin	-	-	-	5.30°C/W	Degreased
	HSE-B20250-045H	Per Unit $0.78	PDF RFQ	5,076 In-stock	CUI Inc.	HEAT SINK, EXTRUSION, TO-220, 50	HSE	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	1.181" (30.00mm)	-	TO-220	PC Pin	0.472" (12.00mm)	7.7W @ 75°C	4.05°C/W @ 200 LFM	9.74°C/W	Black Anodized
	CR201-50VE	Per Unit $3.36	PDF RFQ	3,324 In-stock	Ohmite	ALUMINUM HEATSINK 50MM DEGREASED	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	2.953" (75.00mm)	-	TO-201	3 Clips and PC Pin	-	-	-	3.30°C/W	Degreased
	CR301-50VE	Per Unit $2.77	PDF RFQ	3,018 In-stock	Ohmite	ALUMINUM HEATSINK 50MM DEGREASED	CR	Active	Aluminum Alloy	Board Level, Vertical	Rectangular, Fins	1.969" (50.00mm)	2.362" (60.00mm)	-	TO-301	2 Clips and PC Pin	-	-	-	5.70°C/W	Degreased