FK 277 Series Natural Convection Heat Sinks

IMPORTANT NOTICE:

We are currently experiencing higher than normal order volumes at our Singapore warehouse. While all orders are being processed, some shipments may be delayed by 1–2 business days. Thank you for your patience and continued support.

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	Product Range

FK 277 MI 247 O SIP	4573597 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.9 K/W SIP 23 mm 9 mm 26 mm	Each	1+HK$16.430 10+HK$15.030 25+HK$14.310 50+HK$13.770 100+HK$13.320	18.9K/W	SIP	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 H SIP	4573592 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 19.2 K/W SIP 23 mm 9 mm 26 mm	Each	1+HK$18.360 10+HK$16.790 25+HK$15.980 50+HK$15.380 100+HK$14.890	19.2K/W	SIP	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 V SIP	4573601 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.4 K/W SIP 23 mm 9 mm 30 mm	Each	1+HK$16.430 10+HK$15.030 25+HK$14.310 50+HK$13.770 100+HK$13.320	18.4K/W	SIP	23mm	9mm	0	Copper	0.91"	0.35"	1.18"	FK 277 Series
FK 277 MI 247 O TO 247	4573599 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.9 K/W TO-247 23 mm 9 mm 26 mm	Each	1+HK$17.410 10+HK$15.230 25+HK$14.930 50+HK$14.630 100+HK$14.320	18.9K/W	TO-247	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 O TO 248	4573600 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.9 K/W TO-248 23 mm 9 mm 26 mm	Each	1+HK$17.410 10+HK$15.230 25+HK$14.930 50+HK$14.630 100+HK$14.320	18.9K/W	TO-248	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 O TO 218	4573598 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.9 K/W TO-218 23 mm 9 mm 26 mm	Each	1+HK$17.410 10+HK$15.230 25+HK$14.930 50+HK$14.630 100+HK$14.320	18.9K/W	TO-218	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 H TO 218	4573593 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 19.2 K/W TO-218 23 mm 9 mm 26 mm	Each	1+HK$19.360 10+HK$16.940 25+HK$16.610 50+HK$16.270 100+HK$15.930	19.2K/W	TO-218	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 H TO 247	4573594 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 19.2 K/W TO-247 23 mm 9 mm 26 mm	Each	1+HK$19.360 10+HK$16.940 25+HK$16.610 50+HK$16.270 100+HK$15.930	19.2K/W	TO-247	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 H TO 248	4573595 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 19.2 K/W TO-248 23 mm 9 mm 26 mm	Each	1+HK$19.360 10+HK$16.940 25+HK$16.610 50+HK$16.270 100+HK$15.930	19.2K/W	TO-248	23mm	9mm	26mm	Copper	0.91"	0.35"	1.02"	FK 277 Series
FK 277 MI 247 V TO 247	4573604 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.4 K/W TO-247 23 mm 9 mm 30 mm	Each	1+HK$17.410 10+HK$15.230 25+HK$14.930 50+HK$14.630 100+HK$14.320	18.4K/W	TO-247	23mm	9mm	0	Copper	0.91"	0.35"	1.18"	FK 277 Series
FK 277 MI 247 V TO 218	4573603 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.4 K/W TO-218 23 mm 9 mm 30 mm	Each	1+HK$17.410 10+HK$15.230 25+HK$14.930 50+HK$14.630 100+HK$14.320	18.4K/W	TO-218	23mm	9mm	0	Copper	0.91"	0.35"	1.18"	FK 277 Series
FK 277 MI 247 V TO 248	4573605 Data Sheet RoHS	FISCHER ELEKTRONIK Heat Sink Clip-on 18.4 K/W TO-248 23 mm 9 mm 30 mm	Each	1+HK$17.410 10+HK$15.230 25+HK$14.930 50+HK$14.630 100+HK$14.320	18.4K/W	TO-248	23mm	9mm	0	Copper	0.91"	0.35"	1.18"	FK 277 Series

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