TO-3 Natural Convection Heat Sinks

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Find a huge range of TO-3 Natural Convection Heat Sinks at element14 China. We stock a wide range of Natural Convection Heat Sinks, such as TO-220, BGA, TO-218, TO-220 & TO-3 Natural Convection Heat Sinks from the worlds top manufacturers including: Fischer Elektronik, ABL Heatsinks, Wakefield Thermal & Boyd

Manufacturer Part No	Order Code	Manufacturer / Description	Price For	Price (inc GST)	Thermal Resistance	Packages Cooled	External Width - Metric	External Height - Metric	External Length - Metric	Heat Sink Material	External Width - Imperial	External Height - Imperial	External Length - Imperial	Product Range

SK 04 50 SA	4621505 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Standard Extruded Black Anodized 2.4 °C/W TO-3 97 mm 25 mm 50 mm	Each	1+ CNY67.370(CNY76.1281) 5+ CNY66.030(CNY74.6139) 10+ CNY64.680(CNY73.0884) 20+ CNY63.330(CNY71.5629) 50+ CNY61.990(CNY70.0487)	2.4°C/W	TO-3	97mm	25mm	50mm	Aluminium	3.82"	0.98"	1.97"	-
AKK 127	4621360 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink TO-3 14 °C/W TO-3 40 mm 12.7 mm 27 mm	Each	1+ CNY25.680(CNY29.0184) 5+ CNY25.210(CNY28.4873) 10+ CNY23.600(CNY26.668) 20+ CNY22.420(CNY25.3346) 50+ CNY21.400(CNY24.182)	14°C/W	TO-3	40mm	12.7mm	27mm	Aluminium	1.57"	0.5"	1.06"	-
AKK 191	4621372 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink TO-3 12 °C/W TO-3 40 mm 27 mm 27 mm	Each	1+ CNY30.470(CNY34.4311) 5+ CNY30.150(CNY34.0695) 10+ CNY28.130(CNY31.7869) 20+ CNY26.670(CNY30.1371) 50+ CNY25.420(CNY28.7246)	12°C/W	TO-3	40mm	27mm	27mm	Aluminium	1.57"	1.06"	1.06"	-
SK 48 50 SA TO 3	4621347 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink TO-3 2.8 °C/W TO-3 65 mm 20 mm 50 mm	Each	1+ CNY33.740(CNY38.1262) 5+ CNY33.390(CNY37.7307) 10+ CNY31.150(CNY35.1995) 20+ CNY29.530(CNY33.3689) 50+ CNY28.160(CNY31.8208)	2.8°C/W	TO-3	65mm	20mm	50mm	Aluminium	2.56"	0.79"	1.97"	-
PF527	177013 Data Sheet RoHS	BOYD Heat Sink TO-3 7.3 °C/W TO-3 40.8 mm 25 mm 26.9 mm	Each	1+ CNY219.720(CNY248.2836) 5+ CNY211.830(CNY239.3679) 10+ CNY203.870(CNY230.3731) 20+ CNY199.120(CNY225.0056) 50+ CNY194.850(CNY220.1805)	7.3°C/W	TO-3	40.8mm	25mm	26.9mm	Aluminium	1.61"	0.98"	1.06"	-
510AB0500MB(TO3)	232660 Data Sheet RoHS	ABL HEATSINKS Heat Sink 3.3 °C/W TO-3 65 mm 20 mm 50 mm	Each	1+ CNY30.360(CNY34.3068) 5+ CNY30.040(CNY33.9452) 10+ CNY28.030(CNY31.6739) 20+ CNY26.570(CNY30.0241) 50+ CNY25.330(CNY28.6229)	3.3°C/W	TO-3	65mm	20mm	50mm	Aluminium	2.56"	0.79"	1.97"	-
501503B00000G	2822617 Data Sheet RoHS	BOYD Heat Sink 8.4 °C/W TO-3 35.56 mm 25.4 mm 47.75 mm	Each	1+ CNY43.330(CNY48.9629) 5+ CNY38.160(CNY43.1208) 10+ CNY31.960(CNY36.1148) 20+ CNY28.850(CNY32.6005) 50+ CNY27.990(CNY31.6287)	8.4°C/W	TO-3	35.56mm	25.4mm	47.75mm	Aluminium	1.4"	1"	1.88"	-
520AB1000MB(T03)	253728 Data Sheet RoHS	ABL HEATSINKS Heat Sink TO-3 1.4 °C/W TO-3 88 mm 35 mm 100 mm	Each	1+ CNY75.510(CNY85.3263) 5+ CNY74.720(CNY84.4336) 10+ CNY69.710(CNY78.7723) 20+ CNY66.090(CNY74.6817) 50+ CNY63.000(CNY71.190)	1.4°C/W	TO-3	88mm	35mm	100mm	Aluminium	3.46"	1.38"	3.94"	-
SK 04 100 SA	4621529 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Standard Extruded Black Anodized 1.5 °C/W TO-3 97 mm 25 mm 100 mm	Each	1+ CNY112.720(CNY127.3736) 5+ CNY110.470(CNY124.8311) 10+ CNY108.220(CNY122.2886) 20+ CNY105.960(CNY119.7348) 50+ CNY103.710(CNY117.1923)	1.5°C/W	TO-3	97mm	25mm	100mm	Aluminium	3.82"	0.98"	3.94"	-
520AB0750MB(T03)	253716 Data Sheet RoHS	ABL HEATSINKS Heat Sink TO-3 1.65 °C/W TO-3 88 mm 35 mm 75 mm	Each	1+ CNY74.870(CNY84.6031) 5+ CNY74.100(CNY83.733) 10+ CNY69.120(CNY78.1056) 20+ CNY65.530(CNY74.0489) 50+ CNY62.470(CNY70.5911)	1.65°C/W	TO-3	88mm	35mm	75mm	Aluminium	3.46"	1.38"	2.95"	-
403-K.	3354209 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Extruded Heat Sinks High Power 1.68 °C/W TO-3 120.7 mm 31.8 mm 76.2 mm	Each	1+ CNY180.580(CNY204.0554) 5+ CNY173.900(CNY196.507) 10+ CNY167.160(CNY188.8908) 25+ CNY160.490(CNY181.3537) 50+ CNY156.110(CNY176.4043) More Pricing...	1.68°C/W	TO-3	120.7mm	31.8mm	76.2mm	Aluminium	4.75"	1.25"	3"	-
SK 04 75 SA	4621517 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Standard Extruded Black Anodized 1.9 °C/W TO-3 97 mm 25 mm 75 mm	Each	1+ CNY89.150(CNY100.7395) 5+ CNY87.370(CNY98.7281) 10+ CNY85.590(CNY96.7167) 20+ CNY83.810(CNY94.7053) 50+ CNY82.020(CNY92.6826)	1.9°C/W	TO-3	97mm	25mm	75mm	Aluminium	3.82"	0.98"	2.95"	-
680-1.25A.	3354090 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Omnidirectional For Power Semiconductor 4.5 °C/W TO-3 46 mm 31.8 mm 46 mm	Each	1+ CNY140.400(CNY158.652) 5+ CNY138.610(CNY156.6293) 10+ CNY136.820(CNY154.6066) 20+ CNY130.080(CNY146.9904) 50+ CNY123.340(CNY139.3742)	4.5°C/W	TO-3	46mm	31.8mm	46mm	Aluminium	1.81"	1.25"	1.81"	-
423-K.	3354155 Data Sheet RoHS	WAKEFIELD THERMAL Heat Sink Extruded Heat Sinks High Power 0.95 °C/W TO-3 120.7 mm 66.7 mm 140.2 mm	Each	1+ CNY214.420(CNY242.2946) 5+ CNY207.910(CNY234.9383) 10+ CNY201.400(CNY227.582) 20+ CNY195.200(CNY220.576) 50+ CNY189.000(CNY213.570)	0.95°C/W	TO-3	120.7mm	66.7mm	140.2mm	Aluminium	4.75"	2.63"	5.52"	-
FK 201SA-3	4621359 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink TO-3 6 °C/W TO-3 45 mm 25.4 mm 45 mm	Each	1+ CNY11.290(CNY12.7577) 10+ CNY11.040(CNY12.4752) 25+ CNY10.510(CNY11.8763) 50+ CNY10.050(CNY11.3565) 100+ CNY9.500(CNY10.735)	6°C/W	TO-3	45mm	25.4mm	45mm	Aluminium	1.77"	1"	1.77"	-
FK 318 1 SA 3 TO 3	4573676 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Finger Shape 4.4 K/W TO-3 46 mm 31.8 mm 46 mm	Each	1+ CNY80.490(CNY90.9537) 5+ CNY79.660(CNY90.0158) 10+ CNY74.310(CNY83.9703) 20+ CNY70.450(CNY79.6085) 50+ CNY67.160(CNY75.8908)	4.4K/W	TO-3	46mm	31.8mm	46mm	Aluminium	1.81"	1.25"	1.81"	FK 318 Series
FK 201 SA 3 TO 3	4573227 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 6 K/W TO-3 45 mm 25.4 mm 45 mm	Each	1+ CNY12.500(CNY14.125) 10+ CNY12.350(CNY13.9555) 25+ CNY11.840(CNY13.3792) 50+ CNY11.380(CNY12.8594) 100+ CNY10.450(CNY11.8085)	6°C/W	TO-3	45mm	25.4mm	45mm	Aluminium	1.77"	1"	1.77"	FK 201 Series
FK 318 SA 3	1892313 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink TO-3 4.8 °C/W TO-3 46 mm 31.8 mm 46 mm	Each	1+ CNY83.770(CNY94.6601) 5+ CNY82.900(CNY93.677) 10+ CNY77.340(CNY87.3942) 20+ CNY73.320(CNY82.8516) 50+ CNY69.900(CNY78.987)	4.8°C/W	TO-3	46mm	31.8mm	46mm	Aluminium	1.81"	1.25"	1.81"	-
515AB0750MB(T03)	253704 Data Sheet RoHS	ABL HEATSINKS Heat Sink 1.9 °C/W TO-3 88 mm 25 mm 75 mm	Each	1+ CNY52.610(CNY59.4493) 5+ CNY52.060(CNY58.8278) 10+ CNY48.570(CNY54.8841) 20+ CNY46.050(CNY52.0365) 50+ CNY43.900(CNY49.607)	1.9°C/W	TO-3	88mm	25mm	75mm	Aluminium	3.46"	0.98"	2.95"	-
520AB1250MB(TO-3X2)	253730 Data Sheet RoHS	ABL HEATSINKS Heat Sink TO-3 1.2 °C/W TO-3 88 mm 35 mm 125 mm	Each	1+ CNY88.040(CNY99.4852) 5+ CNY87.120(CNY98.4456) 10+ CNY81.270(CNY91.8351) 20+ CNY77.050(CNY87.0665) 50+ CNY73.460(CNY83.0098)	1.2°C/W	TO-3	88mm	35mm	125mm	Aluminium	3.46"	1.38"	4.92"	-
LS50	595743 Data Sheet RoHS	ABL HEATSINKS Heat Sink TO-3 4 °C/W TO-3 41.2 mm 43 mm 45 mm	Each	1+ CNY8.100(CNY9.153) 10+ CNY7.920(CNY8.9496) 25+ CNY7.540(CNY8.5202) 50+ CNY7.210(CNY8.1473) 100+ CNY6.820(CNY7.7066)	4°C/W	TO-3	41.2mm	43mm	45mm	Aluminium	1.62"	1.69"	1.77"	-