Natural Convection Heat Sinks

Manufacturer Part No	Order Code	Manufacturer / Description	Price For	Price	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
SK 481 50 SA	1892335 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Extruded For Lock-In Retaining Spring 4.5 °C/W TO-3P TO-218 TO-220 TO-247 TO-248	Each	1+Rs.336.180 5+Rs.294.150 10+Rs.288.270 20+Rs.282.390 50+Rs.276.510	4.5°C/W	TO-3P, TO-218, TO-220, TO-247, TO-248	30mm	45mm	50mm	Aluminium	1.18"	1.77"	1.97"
SK 481 100 SA	1892334 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Extruded For Lock-In Retaining Spring 2.8 °C/W TO-3P TO-218 TO-220 TO-247 TO-248	Each	1+Rs.574.810 5+Rs.502.960 10+Rs.492.910 20+Rs.482.850 50+Rs.472.790	2.8°C/W	TO-3P, TO-218, TO-220, TO-247, TO-248	30mm	45mm	100mm	Aluminium	1.18"	1.77"	3.94"
OS515-150-B	1773362 Data Sheet RoHS	BOYD Heat Sink Square PCB Max Clip Extruded 2.33 °C/W TO-218 TO-220 TO-251 TO-262 TO-273 30 mm	Each	1+Rs.1,485.090 5+Rs.1,330.960 10+Rs.1,280.160 20+Rs.1,240.930 50+Rs.1,207.310	-	TO-218, TO-220, TO-251, TO-262, TO-273	30mm	45mm	150mm	-	-	-	-
KM75-1	265214 Data Sheet RoHS	BOYD Heat Sink TO-220/218 3.7 °C/W TO-218 TO-220 75 mm 45 mm 75 mm	Each	1+Rs.1,616.050 5+Rs.1,579.010 10+Rs.1,543.330 20+Rs.1,468.400 50+Rs.1,425.320	3.7°C/W	TO-218, TO-220	75mm	45mm	75mm	Aluminium	2.95"	1.77"	2.95"
KM100-1	265226 Data Sheet RoHS	BOYD Heat Sink TO-220/218 2.9 °C/W TO-218 TO-220 TO-247 30 mm 45 mm 100 mm	Each	1+Rs.1,553.050 5+Rs.1,515.280 10+Rs.1,478.900 20+Rs.1,402.500 50+Rs.1,358.570	2.9°C/W	TO-218, TO-220, TO-247	30mm	45mm	100mm	Aluminium	1.18"	1.77"	3.94"
KM50-1	265202 Data Sheet RoHS	BOYD Heat Sink TO-220/218 5 °C/W TO-218 TO-220 50 mm 45 mm 50 mm	Each	1+Rs.1,202.220 5+Rs.1,070.480 10+Rs.1,027.060 20+Rs.993.530 50+Rs.964.800	5°C/W	TO-218, TO-220	50mm	45mm	50mm	Aluminium	1.97"	1.77"	1.97"