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Hola1 H A H Extruded heatsinks for PCB mounting for semiconductor clip-mounting B C D art. no. SK SK SK SK E 129 129 129 129 25,4 38,1 50,8 63,5 [mm] ... ... ... ... please indicate: F TO 220 TO 220 TO 220 TO 220 Rth [K/W] 25.4 38.1 50.8 63.5 7.8 6.5 5.3 4.5 ... mouting method STC =with solder pins STIC =with solder pins and insulating washer STCB=with threaded bolts M 3, brass P = raised retaining stud, E = mounting method special lengths and drillings on request surface treatment: black anodised G for semiconductor screw-mounting H I art. no. K SK SK SK SK 129 129 129 129 25,4 38,1 50,8 63,5 ... ... ... ... please indicate: L [mm] TO 220/ SOT 32/ TO 3 P TO 220/ SOT 32/ TO 3 P TO 220/ SOT 32/ TO 3 P TO 220/ SOT 32/ TO 3 P Rth [K/W] 25.4 38.1 50.8 63.5 7.8 6.5 5.3 4.5 ... mouting method STS =with solder pins STIS =with solder pins and insulating washer STSB=with threaded bolts M 3, brass P = raised retaining stud, E = mounting method M special lengths and drillings on request surface treatment: black anodised H H A 99 N H H Heatsinks with threaded rail Profiles for PCB components Retaining springs for transistors Order example ➔ ➔ ➔ ➔ A A A A 90 89 111 – 116 21 Attachable heatsinks for TO-cases Mounting for TO 3 angle Silicone wafers Mica wafers ➔ ➔ ➔ ➔ A 91 A 121 E2–4 E 11 H