<^s.mi-don(l\jl(ito\ {jnc. 2 0 ster n av e springfield , ne w jerse y 0708 1 u.s.a . telephone : (973 ) 376-292 2 (212)227-600 5 fax : (973 ) 376-896 0 silico n controlle d rectifier s 2n1794-1804 ; 2n437 1 -437 7 to-208a d (to-83 ) not e 1 : 1/2-2 0 unf-3 a not e 2 ; ful l threa d withi n 2 1/ 2 thread s dim . inche s a 8 c d e f g h j k m n p r s t u minimu m ~ ^ 1.05 0 .79 7 .27 6 .42 5 .22 5 .37 0 .21 3 .06 5 .21 5 .29 0 .51 4 .08 9 maximu m 1.06 0 1.16 1 .82 7 .28 6 .94 8 .49 9 .90 0 27 5 1.75 0 .38 0 .22 3 .07 5 .22 5 .31 5 .53 0 .09 9 millimete r minimu m 26.6 7 20.2 4 .70 1 10.8 0 6.4 8 9.4 0 5.4 1 1.6 5 5.4 6 7.3 7 13.0 6 2.2 6 maximu m ~ 26.9 2 29.4 9 21.0 1 7.2 6 24.0 8 12.6 7 22.8 6 6.9 9 44.4 5 9,6 5 5.6 6 1.9 1 5.7 2 3.0 0 13.4 6 2.5 1 note s 1 2 oia . did . dio . catalo g number 2n179 4 2n179 5 2n179 6 2n179 7 2n179 8 2n179 9 2n180 0 2n180 1 2n180 2 2n180 3 2n180 4 catalo g numbe r 2n437 1 2n437 2 2n437 3 2n437 4 2n437 5 2n437 6 2n437 7 vdrm/vrr m 10 0 20 0 25 0 30 0 40 0 50 0 60 0 72 0 72 0 80 0 90 0 100 0 120 0 ? hig h dv/dt-10 0 v/usec . ? 160 0 ampere s surg e curren t ? lo w forwar d on-stat e voltag e ? packag e conformin g t o to-208a d outlin e ? economica l fo r genera l purpos e phas e contro l application s electrica l characteristic s max . rm s on-stat e curren t max . averag e on-stat e cur . max . pea k on- stat e voltag e max . holdin g curren t max . pea k on e cycl e surg e curren t max . i 2 t capabilit y fo r fusin g !t(rms ) 11 0 amp s ! t(av ) 7 0 amp s v t m 1. 6 volt s i h 20 0 m a its m 160 0 a i 2 t 10.624a 2 s t c = 87 " c t c - 87 c ' f m = 22 0 a(peak ) r c = 37c , 6 0 h z t = 8. 3 m s therma l an d mechanica l characteristic s operatin g junctio n tem p rang e storag e temperatur e rang e maximu m therma l resistanc e typica l therma l resistanc e (greased ) mountin g torqu e weigh t t j tst g se x r 9c s -65 c t o !25 c -65 c t o 150 c 0.40c/ w junctio n t o cas e 0.20c/ w cos e t o sin k 100-13 0 inc h pound s 3.2 4 ounce s (91. 8 qrams ) typica l downloaded from: http:///
switchin g critico l typica l typica l rat e o f ris e o f on-stat e current (not e 1 ) di/d t 100a/usec . r j = dela y tim e (not e 1 ) t j 3. 0 usec . circui t commute d turn-of f tim e (not e 2 ) t q 10 0 usec . t j = not e 1: 't m = 50a , v 0 = ? v drm , v g t = 12v ope n circuit , 2 0 ohm-0. 1 usec. ris e not e 2 : 't m = 50a , di/d t = 5a/usec., v r durin g turn-of f interva l = 50 v min. , reapplie d dv/d t ~ 20v/usec. , linea r t o rated v drm , v g t ? = 0 v 125" c 125 c tim e triggerin g max , gat e voltag e t o trigge r max . nontriggerin g gat e voltag e max , gat e curren t t o trigge r max . pea k gat e powe r averag e gat e powe r max . pea k gat e curren t max . pea k gat e voltag e (forward ) max . peak gat e voltag e (reverse ) vg t vg d 'g t pg m p g(av ) ' g m vg m 3.0 v 0.25 v 100m a 15 w 3.0 w 4.0 a 10 v 5.0 v t j = 25 " c t j = 125 c t j - 25 c t p = 1 0 usec . blockin g max . leakag e curren t max . revers e leakag e critica l rat e o f ris e o f off-stat e voltag e 'drm.'rr m 'rrm.'dr m dv/d t 10m a 10 0 /j a loov/usec . t j =i25 c tt vdrm.vrr m t j =25 c & vrrm.vrr m t j =125 c downloaded from: http:///
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