<^s.mi-don(l\jl(ito\ {jnc. 20 stern ave springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 silicon controlled rectifiers 2n1794-1804; 2n4371 -4377 to-208ad (to-83) note 1: 1/2-20 unf-3a note 2; full thread within 2 1/2 threads dim. inches a 8 c d e f g h j k m n p r s t u minimum ~? ^ 1.050 .797 .276 .425 .225 .370 .213 .065 .215 .290 .514 .089 maximum 1.060 1.161 .827 .286 .948 .499 .900 275 1.750 .380 .223 .075 .225 .315 .530 .099 millimeter minimum 26.67 20.24 .701 10.80 6.48 9.40 5.41 1.65 5.46 7.37 13.06 2.26 maximum ~ 26.92 29.49 21.01 7.26 24.08 12.67 22.86 6.99 44.45 9,65 5.66 1.91 5.72 3.00 13.46 2.51 notes 1 2 oia. did. dio. catalog number 2n1794 2n1795 2n1796 2n1797 2n1798 2n1799 2N1800 2n1801 2n1802 2n1803 2n1804 catalog number 2n4371 2n4372 2n4373 2n4374 2n4375 2n4376 2n4377 vdrm/vrrm 100 200 250 300 400 500 600 720 720 800 900 1000 1200 ? high dv/dt-100 v/usec. ? 1600 amperes surge current ? low forward on-state voltage ? package conforming to to-208ad outline ? economical for general purpose phase control applications electrical characteristics max. rms on-state current max. average on-state cur. max. peak on- state voltage max. holding current max. peak one cycle surge current max. i2t capability for fusing !t(rms) 110 amps !t(av) 70 amps vtm 1.6 volts ih 200 ma itsm 1600 a i2t 10.624a2s tc = 87" c tc - 87c ' fm = 220 a(peak) rc = 37c, 60 hz t = 8.3 ms thermal and mechanical characteristics operating junction temp range storage temperature range maximum thermal resistance typical thermal resistance (greased) mounting torque weight tj tstg sex r 9cs -65c to !25c -65c to 150c 0.40c/w junction to case 0.20c/w cose to sink 100-130 inch pounds 3.24 ounces (91.8 qrams) typical
switching criticol typical typical rate of rise of on-state current (note 1) di/dt 100a/usec. rj = delay time (note 1) tj 3.0 usec. circuit commuted turn-off time (note 2) tq 100 usec. tj = note 1: 'tm = 50a, v0 =? vdrm, vgt = 12v open circuit, 20 ohm-0.1 usec. rise note 2: 'tm = 50a, di/dt = 5a/usec.,vr during turn-off interval = 50v min., reapplied dv/dt ~ 20v/usec., linear to rated vdrm, vgt ?= 0v 125"c 125c time triggering max, gate voltage to trigger max. nontriggering gate voltage max, gate current to trigger max. peak gate power average gate power max. peak gate current max. peak gate voltage (forward) max. peak gate voltage (reverse) vgt vgd 'gt pgm pg(av) ' gm vgm 3.0v 0.25v 100ma 15w 3.0w 4.0a 10v 5.0v tj = 25" c tj = 125c tj - 25c tp = 10 usec. blocking max. leakage current max. reverse leakage critical rate of rise of off-state voltage 'drm.'rrm 'rrm.'drm dv/dt 10ma 100 /ja loov/usec. tj =i25c tt vdrm.vrrm tj =25c & vrrm.vrrm tj =125c
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