Bonded Fin/ Standard Parts

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Products / Bonded Fin / Standard Parts

Bonded Fin Heat Sinks

Natural Convection Models

Part Number	RoHS	PCN	Fig.	Flanges	Finish	A Dim	B Dim	°C/W
476700U00000		N/A	1	None	Unfinished	178 mm [7.0"]	n/a	0.30
476700C00000		N/A	1	None	Gold Chromate	178 mm [7.0"]	n/a	0.30
476700L00000		N/A	1	None	Clear Chromate	178 mm [7.0"]	n/a	0.30
476900U00000		N/A	2	25 mm [1"] wide	Unfinished	178 mm [7.0"]	64 mm [2.50"]	0.30
476900C00000		N/A	2	25 mm [1"] wide	Gold Chromate	178 mm [7.0"]	64 mm [2.50"]	0.30
476900L00000		N/A	2	25 mm [1"] wide	Clear Chromate	178 mm [7.0"]	64 mm [2.50"]	0.30
477000U00000		N/A	2	25 mm 1"] wide	Unfinished	305 mm [12.0"]	127 mm [5.00"]	0.22
477000C00000		N/A	2	25 mm 1"] wide	Gold Chromate	305 mm [12.0"]	127 mm [5.00"]	0.22
477000L00000		N/A	2	25 mm 1"] wide	Clear Chromate	305 mm [12.0"]	127 mm [5.00"]	0.22

Figure 1: Unflanged Mechanical Drawing

Figure 2: Flanged Mechanical Drawing

Standard Product Natural Convection Bonded Fin Heat Sink

Forced Convection Models

Part Number	RoHS	PCN	Fig.	Finish	A Dim	B Dim	C Dim	°C/W*
476200U00000		N/A	3	Unfinished	178 mm [7.0"]	241 mm [9.50"]	95 mm [3.75"]	0.08
476200C00000		N/A	3	Gold Chromate	178 mm [7.0"]	241 mm [9.50"]	95 mm [3.75"]	0.08
476200L00000		N/A	3	Clear Chromate	178 mm [7.0"]	241 mm [9.50"]	95 mm [3.75"]	0.08
476300U00000		N/A	3	Unfinished	305 mm [12.0"]	368 mm [14.50"]	159 mm [6.25"]	0.06
476300C00000		N/A	3	Gold Chromate	305 mm [12.0"]	368 mm [14.50"]	159 mm [6.25"]	0.06
476300L00000		N/A	3	Clear Chromate	305 mm [12.0"]	368 mm [14.50"]	159 mm [6.25"]	0.06
476400U00000		N/A	4	Unfinished	305 mm [12.0"]	371 mm [14.59"]	152 mm [6.00"]	0.028
476400C00000		N/A	4	Gold Chromate	305 mm [12.0"]	371 mm [14.59"]	152 mm [6.00"]	0.028
476400L00000		N/A	4	Clear Chromate	305 mm [12.0"]	371 mm [14.59"]	152 mm [6.00"]	0.028
476600U00000G			4	Unfinished	406 mm [16.0"]	472 mm [18.59"]	203 mm [8.00"]	0.024
476600C00000		N/A	4	Gold Chromate	406 mm [16.0"]	472 mm [18.59"]	203 mm [8.00"]	0.024
476600L00000		N/A	4	Clear Chromate	406 mm [16.0"]	472 mm [18.59"]	203 mm [8.00"]	0.024

* Thermal performance based on 100 CFM fan(s). Mounting pattern shown fits standard "muffin" fan(s)

Figure 3: Single Fan Mount Mechanical Drawing

Single Fan Mount Mechanical Drawing

Figure 4: Dual Fan Mount Mechanical Drawing

Dual Fan Mount Mechanical Drawing

Options

120 VAC fans may also be added to the bonded fin heat sink. When ordering, add the following number designation to the end of the part number.

Number of Fans	Designation
1	01100
2	02200

Example:
To order the forced convection part #476700 with a gold chromate finish and two 120 VAC fans, use 476700C02200.

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