Extruded Heat Sink

An extruded heat sink enhances heat transfer from high-power semiconductor devices, lowering external case and internal junction temperatures for optimal performance and reliability. It is essential for various devices, including RF power transistors and IGBTs, and is crucial in power conversion applications. These heat sinks are utilized across numerous industries such as renewable energy, automotive, and telecommunications. When choosing a heat sink, consider dimensions, thermal resistance, and extrusion shape for the best price-performance ratio. Richardson RFPD offers the support to help you address any thermal management challenges you face to ensure the highest performance of your power conversion system and the longest life of the components in your design.

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Wakefield Thermal (26)

Width (mm)

71.42 (1)
73.025 (1)
87.884 (1)
101.6 (1)
104.775 (2)
111.252 (1)
120.142 (1)
127 (1)
131.572 (1)
132.08 (1)
136.652 (1)
138.176 (1)
139.7 (1)
165.1 (1)
171.551 (1)
176.784 (1)
182.88 (1)
186.436 (1)
186.486 (1)
187.325 (1)
200.152 (1)
212.09 (1)
250.952 (1)
311.15 (1)
339.852 (1)

Select Min 71.42 73.025 87.884 101.6 104.775 111.252 120.142 127 131.572 132.08 136.652 138.176 139.7 165.1 171.551 176.784 182.88 186.436 186.486 187.325 200.152 212.09 250.952 311.15 339.852
Select Max 71.42 73.025 87.884 101.6 104.775 111.252 120.142 127 131.572 132.08 136.652 138.176 139.7 165.1 171.551 176.784 182.88 186.436 186.486 187.325 200.152 212.09 250.952 311.15 339.852

Height (mm)

17.018 (1)
17.4498 (1)
22.225 (1)
25.4 (2)
32.766 (2)
33.274 (5)
33.325 (1)
33.528 (1)
34.29 (1)
35.56 (1)
40.64 (1)
41.402 (1)
44.45 (2)
50.8 (2)
61.214 (2)
70.866 (1)
79.502 (1)

Select Min 17.018 17.4498 22.225 25.4 32.766 33.274 33.325 33.528 34.29 35.56 40.64 41.402 44.45 50.8 61.214 70.866 79.502
Select Max 17.018 17.4498 22.225 25.4 32.766 33.274 33.325 33.528 34.29 35.56 40.64 41.402 44.45 50.8 61.214 70.866 79.502

Width (in)

2.812 (1)
2.875 (1)
3.46 (1)
4 (1)
4.125 (2)
4.38 (1)
4.73 (1)
5 (1)
5.18 (1)
5.2 (1)
5.38 (1)
5.44 (1)
5.5 (1)
6.5 (1)
6.754 (1)
6.96 (1)
7.2 (1)
7.34 (1)
7.342 (1)
7.375 (1)
7.88 (1)
8.35 (1)
9.88 (1)
12.25 (1)
13.38 (1)

Height (in)

0.67 (1)
0.687 (1)
0.875 (1)
1 (2)
1.29 (2)
1.31 (5)
1.312 (1)
1.32 (1)
1.35 (1)
1.4 (1)
1.6 (1)
1.63 (1)
1.75 (2)
2 (2)
2.41 (2)
2.79 (1)
3.13 (1)

Length (in)

71 (1)
72 (18)
75 (1)
77 (2)
81 (2)
84 (1)
96 (1)

Thermal Resistance (°C/W)

0.7 (1)
0.8 (1)
0.9 (2)
0.91 (1)
1.1 (2)
1.2 (2)
1.3 (4)
1.4 (2)
1.6 (2)
1.8 (2)
1.9 (3)
2 (1)
2.3 (2)
2.4 (1)

Select Min 0.7 0.8 0.9 0.91 1.1 1.2 1.3 1.4 1.6 1.8 1.9 2 2.3 2.4
Select Max 0.7 0.8 0.9 0.91 1.1 1.2 1.3 1.4 1.6 1.8 1.9 2 2.3 2.4

Extrusion Shapes

Flatback (23)
Flatback HIGH FIN (2)
Flatback Single Channel (1)

26 results found.

Order Selected Quote Selected Add To Parts List Export
	Image	Item	Mfg Part #	Mfg	Description	Datasheet	Availability	Min/Mult	Price (US Stock)	Quantity		ECAD Model	Width (mm)	Height (mm)	Width (in) (in)	Height (in) (in)	Length (in) (in)	Thermal Resistance (°C/W)	Extrusion Shapes
		007264-81	007264-81	Wakefield Thermal	Extruded Heat Sink		Request Quote for Lead Time	1	Call RFPD		Quote		131.572	34.29	5.18	1.35	81	1.6	Flatback
		1051663T577-00	1051663T577-00	Wakefield Thermal	Extruded Heat Sink		51	1	Call RFPD		Quote		187.325	79.502	7.375	3.13	77	1.2	Flatback HIGH FIN
		1482063T581-00	1482063T581-00	Wakefield Thermal	Extruded Heat Sink		50	1	Call RFPD		Quote		132.08	61.214	5.2	2.41	81	1.4	Flatback
		1527	1527	Wakefield Thermal	Extruded Heat Sink		6	1	Call RFPD		Quote		111.252	32.766	4.38	1.29	72	1.4	Flatback
		170363T572-00	170363T572-00	Wakefield Thermal	Extruded Heat Sink		96	1	Call RFPD		Quote		250.952	33.274	9.88	1.31	72	0.91	Flatback
		201263T572-00	201263T572-00	Wakefield Thermal	Extruded Heat Sink		11	1	Call RFPD		Quote		104.775	33.325	4.125	1.312	72	2	Flatback
		201363T572-00	201363T572-00	Wakefield Thermal	Extruded Heat Sink		53	1	Call RFPD		Quote		73.025	33.528	2.875	1.32	72	2.3	Flatback
		2030-HS	2030-HS	Wakefield Thermal	Extruded Heat Sink		Request Quote for Lead Time	1	Call RFPD		Quote		120.142	17.4498	4.73	0.687	72	2.4	Flatback
		203963T572-00	203963T572-00	Wakefield Thermal	Extruded Heat Sink		39	1	Call RFPD		Quote		101.6	32.766	4	1.29	72	1.9	Flatback
		20657563T575-00	20657563T575-00	Wakefield Thermal	Extruded Heat Sink		43	1	Call RFPD		Quote		127	44.45	5	1.75	75	1.6	Flatback
		219963T571-00	219963T571-00	Wakefield Thermal	Extruded Heat Sink		28	1	Call RFPD		Quote		139.7	50.8	5.5	2	71	1.3	Flatback
		224663T572-00	224663T572-00	Wakefield Thermal	Extruded Heat Sink		13	1	Call RFPD		Quote		138.176	25.4	5.44	1	72	1.9	Flatback
		4471-96	4471-96	Wakefield Thermal	Extruded Heat Sink		32	1	Call RFPD		Quote		311.15	25.4	12.25	1	96	1.3	Flatback
		450963T572-00	450963T572-00	Wakefield Thermal	Extruded Heat Sink		42	1	Call RFPD		Quote		165.1	40.64	6.5	1.6	72	1.3	Flatback
		4771	477163T572-00	Wakefield Thermal	Extruded Heat Sink		Request Quote for Lead Time	1	Call RFPD		Quote		186.436	33.274	7.34	1.31	72	1.1	Flatback
		4937	493763T572-00	Wakefield Thermal	Extruded Heat Sink		27	1	Call RFPD		Quote		212.09	50.8	8.35	2	72	0.9	Flatback
		5045	5045	Wakefield Thermal	Extruded Heat Sink		22	1	Call RFPD		Quote		136.652	33.274	5.38	1.31	72	1.8	Flatback
		5138-77	5138-77	Wakefield Thermal	Extruded Heat Sink		29	1	Call RFPD		Quote		104.775	44.45	4.125	1.75	77	1.9	Flatback
		5429	XX5429	Wakefield Thermal	Extruded Heat Sink		15	1	Call RFPD		Quote		339.852	33.274	13.38	1.31	84	0.7	Flatback
		5523	552363T572-00	Wakefield Thermal	Extruded Heat Sink		25	1	Call RFPD		Quote		186.486	22.225	7.342	0.875	72	1.8	Flatback
		627463T572-00	627463T572-00	Wakefield Thermal	Extruded Heat Sink		79	1	Call RFPD		Quote		176.784	70.866	6.96	2.79	72	0.8	Flatback
		6438263T572-00	6438263T572-00	Wakefield Thermal	Extruded Heat Sink		21	1	Call RFPD		Quote		182.88	61.214	7.2	2.41	72	0.9	Flatback HIGH FIN
		702963T572-00	702963T572-00	Wakefield Thermal	Extruded Heat Sink		Request Quote for Lead Time	1	Call RFPD		Quote		171.551	41.402	6.754	1.63	72	1.3	Flatback
		XX1058	XX1058	Wakefield Thermal	Extruded Heat Sink		31	1	Call RFPD		Quote		71.42	17.018	2.812	0.67	72	1.1	Flatback
		XX2009	XX2009	Wakefield Thermal	Extruded Heat Sink		7	1	Call RFPD		Quote		200.152	33.274	7.88	1.31	72	1.2	Flatback

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