Natural Convection Heat Sinks

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

SK 694 37,5 SA	4078481 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Black Anodised 13.2 K/W 15 mm 14 mm 37.5 mm	Each	1+ CNY17.060(CNY19.2778) 10+ CNY16.890(CNY19.0857) 25+ CNY15.750(CNY17.7975) 50+ CNY14.940(CNY16.8822) 100+ CNY14.240(CNY16.0912)	13.2K/W	-	15mm	-	14mm	37.5mm	-	-	0.59"	0.55"	1.47"	-	-
SK 694 1000 AL	4078489 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 13.2 K/W 15 mm 14 mm 1000 mm	Each	1+ CNY165.270(CNY186.7551) 5+ CNY159.340(CNY180.0542) 10+ CNY153.350(CNY173.2855) 20+ CNY149.780(CNY169.2514) 50+ CNY146.570(CNY165.6241)	13.2K/W	-	15mm	-	14mm	1000mm	-	Aluminium	0.59"	0.55"	39.37"	-	-
SK 688 100 SA	3931139 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 100 mm	Each	1+ CNY17.420(CNY19.6846) 10+ CNY17.240(CNY19.4812) 25+ CNY16.090(CNY18.1817) 50+ CNY15.250(CNY17.2325) 100+ CNY14.540(CNY16.4302)	18K/W	-	6mm	-	15mm	100mm	-	-	0.24"	0.6"	3.94"	-	SK 688 Series
SK 688 1000 AL	3931140 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 1000 mm	Each	1+ CNY77.970(CNY88.1061) 5+ CNY77.160(CNY87.1908) 10+ CNY71.980(CNY81.3374) 20+ CNY68.240(CNY77.1112) 50+ CNY65.060(CNY73.5178)	18K/W	-	6mm	-	15mm	1000mm	-	Aluminium	0.24"	0.6"	39.4"	-	SK 688 Series
SK 688 25 AL	3931129 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 25 mm	Each	1+ CNY13.070(CNY14.7691) 10+ CNY12.930(CNY14.6109) 25+ CNY12.070(CNY13.6391) 50+ CNY11.440(CNY12.9272) 100+ CNY10.910(CNY12.3283)	18K/W	-	6mm	-	15mm	25mm	-	Aluminium	0.24"	0.6"	0.98"	-	SK 688 Series
SK 688 25 SA	3931130 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 25 mm	Each	1+ CNY14.870(CNY16.8031) 10+ CNY14.720(CNY16.6336) 25+ CNY13.730(CNY15.5149) 50+ CNY13.020(CNY14.7126) 100+ CNY12.410(CNY14.0233)	18K/W	-	6mm	-	15mm	25mm	-	-	0.24"	0.6"	0.98"	-	SK 688 Series
SK 688 100 AL	3931138 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 100 mm	Each	1+ CNY13.970(CNY15.7861) 10+ CNY13.830(CNY15.6279) 25+ CNY12.900(CNY14.577) 50+ CNY12.230(CNY13.8199) 100+ CNY11.660(CNY13.1758)	18K/W	-	6mm	-	15mm	100mm	-	Aluminium	0.24"	0.6"	3.94"	-	SK 688 Series
TEP-HS4	4335505 Data Sheet RoHS	TRACO POWER Heat Sink 57.9 mm 19.1 mm 36.8 mm	Each	1+ CNY83.760(CNY94.6488) 5+ CNY78.970(CNY89.2361) 10+ CNY74.170(CNY83.8121) 50+ CNY68.950(CNY77.9135) 100+ CNY63.880(CNY72.1844) More Pricing...	-	-	57.9mm	-	19.1mm	36.8mm	-	Aluminium Alloy	2.28"	0.75"	1.45"	-	-
SK 688 75 SA	3931137 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 75 mm	Each	1+ CNY16.700(CNY18.871) 10+ CNY16.530(CNY18.6789) 25+ CNY15.420(CNY17.4246) 50+ CNY14.620(CNY16.5206) 100+ CNY13.940(CNY15.7522)	18K/W	-	6mm	-	15mm	75mm	-	-	0.24"	0.6"	2.95"	-	SK 688 Series
SK 694 1000 SA	4078490 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Black Anodised 13.2 K/W 15 mm 14 mm 1000 mm	Each	1+ CNY243.520(CNY275.1776) 5+ CNY234.780(CNY265.3014) 10+ CNY225.950(CNY255.3235) 20+ CNY220.690(CNY249.3797)	13.2K/W	-	15mm	-	14mm	1000mm	-	-	0.59"	0.55"	39.37"	-	-
SK 694 37,5 AL	4078480 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 13.2 K/W 15 mm 14 mm 37.5 mm	Each	1+ CNY14.150(CNY15.9895) 10+ CNY14.010(CNY15.8313) 25+ CNY13.070(CNY14.7691) 50+ CNY12.390(CNY14.0007) 100+ CNY11.810(CNY13.3453)	13.2K/W	-	15mm	-	14mm	37.5mm	-	Aluminium	0.59"	0.55"	1.47"	-	-
SK 688 75 AL	3931136 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 75 mm	Each	1+ CNY13.790(CNY15.5827) 10+ CNY13.650(CNY15.4245) 25+ CNY12.730(CNY14.3849) 50+ CNY12.070(CNY13.6391) 100+ CNY11.510(CNY13.0063)	18K/W	-	6mm	-	15mm	75mm	-	Aluminium	0.24"	0.6"	2.95"	-	SK 688 Series
SK 694 50 SA	4078484 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Black Anodised 13.2 K/W 15 mm 14 mm 50 mm	Each	1+ CNY18.150(CNY20.5095) 10+ CNY17.960(CNY20.2948) 25+ CNY16.750(CNY18.9275) 50+ CNY15.880(CNY17.9444) 100+ CNY15.140(CNY17.1082)	13.2K/W	-	15mm	-	14mm	50mm	-	-	0.59"	0.55"	1.96"	-	-
SK 688 1000 SA	3931141 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 18 K/W 6 mm 15 mm 1000 mm	Each	1+ CNY117.420(CNY132.6846) 5+ CNY113.200(CNY127.916) 10+ CNY108.940(CNY123.1022) 20+ CNY106.410(CNY120.2433) 50+ CNY104.130(CNY117.6669)	18K/W	-	6mm	-	15mm	1000mm	-	-	0.24"	0.6"	39.4"	-	SK 688 Series
SK 498 150 AL	4709193 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 0.038 K/W 215 mm 76 mm 150 mm	Each	1+ CNY1,089.410(CNY1,231.0333) 5+ CNY1,052.330(CNY1,189.1329) 10+ CNY1,014.650(CNY1,146.5545)	0.038K/W	-	215mm	-	76mm	150mm	-	Aluminium	8.46"	2.99"	5.9"	-	SK 498 Series
SK 440 150 AL	4709138 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 0.034 K/W 200 mm 84 mm 150 mm	Each	1+ CNY865.630(CNY978.1619) 5+ CNY836.170(CNY944.8721) 10+ CNY806.230(CNY911.0399)	0.034K/W	-	200mm	-	84mm	150mm	-	Aluminium	7.87"	3.3"	5.9"	-	SK 440 Series
KK 32 SOT 32	4573685 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Blackened 60 K/W SOT-32 13 mm 30 mm 3.3 mm	Each	10+ CNY1.680(CNY1.8984) 50+ CNY1.470(CNY1.6611) 100+ CNY1.450(CNY1.6385) 500+ CNY1.420(CNY1.6046)	60K/W	SOT-32	13mm	-	30mm	3.3mm	-	Bronze	0.51"	1.18"	0.13"	-	KK 32 Series
FK 220 SA 220 TO 220	4573297 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 25 K/W TO-220 25 mm 20.5 mm 7 mm	Each	10+ CNY4.910(CNY5.5483) 50+ CNY4.800(CNY5.424) 100+ CNY4.570(CNY5.1641) 250+ CNY4.370(CNY4.9381)	25K/W	TO-220	25mm	-	20.5mm	7mm	-	Aluminium	0.98"	0.8"	0.27"	-	FK 220 Series
SKK 58 TO 5	4573695 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 55 K/W TO-5 12.7 mm 8 mm 12.7 mm	Pack of 100	10+ CNY4.540(CNY5.1302) 50+ CNY4.480(CNY5.0624) 100+ CNY4.300(CNY4.859) 250+ CNY4.130(CNY4.6669)	55K/W	TO-5	12.7mm	-	8mm	12.7mm	-	Aluminium	0.5"	0.31"	0.5"	-	SKK 58 Series
SK 458 200 SA	4709164 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 0.028 K/W 250 mm 84 mm 200 mm	Each	1+ CNY1,500.250(CNY1,695.2825)	0.028K/W	-	250mm	-	84mm	200mm	-	Aluminium	9.84"	3.3"	7.87"	-	SK 458 Series
FK 222 SA TO 220	4573300 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Anodised Black 20 K/W TO-220 25.4 mm 12.7 mm 33.8 mm	Each	10+ CNY4.730(CNY5.3449) 50+ CNY4.630(CNY5.2319) 100+ CNY4.400(CNY4.972) 250+ CNY4.210(CNY4.7573)	20K/W	TO-220	25.4mm	-	12.7mm	33.8mm	-	Aluminium	1"	0.5"	1.33"	-	FK 222 Series
SK 441 200 SA	4709152 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink 0.022 K/W 300 mm 84 mm 200 mm	Each	1+ CNY1,794.030(CNY2,027.2539)	0.022K/W	-	300mm	-	84mm	200mm	-	Aluminium	11.81"	3.3"	7.87"	-	SK 441 Series
FK 236 220 SA TO 220	4573347 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Anodised Black 18 K/W TO-220 23.4 mm 5 mm 35.8 mm	Each	1+ CNY13.550(CNY15.3115) 10+ CNY10.360(CNY11.7068) 25+ CNY9.000(CNY10.170) 50+ CNY8.430(CNY9.5259) 100+ CNY7.930(CNY8.9609)	18K/W	TO-220	23.4mm	-	5mm	35.8mm	-	Aluminium	0.92"	0.19"	0	-	FK 236 Series
RA-T2X-38E	2097682 Data Sheet RoHS	OHMITE Heat Sink Square PCB Black Anodized 3.9 °C/W TO-218 TO-220 TO-247 42 mm 38.1 mm 25 mm	Each	1+ CNY19.440(CNY21.9672) 5+ CNY19.060(CNY21.5378) 10+ CNY18.670(CNY21.0971) 20+ CNY18.280(CNY20.6564) 50+ CNY17.890(CNY20.2157)	3.9°C/W	TO-218, TO-220, TO-247	42mm	-	38.1mm	25mm	-	Aluminium	1.65"	1.5"	0.98"	-	R Series
RA-T2X-25E	2097683 Data Sheet RoHS	OHMITE Heat Sink Square PCB Black Anodized 4.8 °C/W TO-218 TO-220 TO-247 42 mm 25.4 mm 25 mm	Each	1+ CNY16.100(CNY18.193) 10+ CNY15.360(CNY17.3568) 25+ CNY14.630(CNY16.5319) 50+ CNY14.100(CNY15.933) 100+ CNY13.780(CNY15.5714)	4.8°C/W	TO-218, TO-220, TO-247	42mm	-	25.4mm	25mm	-	Aluminium	1.65"	1"	0.98"	-	R Series

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