Discrete Devices Silicon Controlled Rectifiers (Cont.) (rere reer Maximum RMS Trigger On-State Characteristics Surge Current IGT VoT Current IT RMS Type Volts (mA) (v) (A) (a) Package 2N1842 25 50 2.0 125 10 TO-48C 2N1842A 25 50 2.0 150 15 TO-48C 2N1843 50 50 2.0 125 10 TO-48C 2N1843A 50 50 2.0 150 15 TO-48C 2N1844 100 50 2.0 125 10 TO-48C 2N1844A 100 50 2.0 150 15 TO-48C 2N1845 150 50 2.0 125 10 TO-48C 2N1845A 150 50 2.0 150 15 TO-48C 2N1846 200 60 2.0 125 10 TO-48C 2N1846A 200 50 2.0 150 15 TO-48C 2N1847 250 50 2.0 125 10 TO-48C 2N1847A 250 50 2.0 150 15 TO-48C 2N1848 300 50 2.0 125 10 TO-48C 2N1848A 300 50 2.0 150 15 TO-48C 2N1849 400 50 2.0 125 10 TO-48C 2N1849A 400 50 2.0 150 15 TO-48C 2N1850 500 50 2.0 125 10 TO-48C 2N1850A 500 50 2.0 150 15 TO-48C 2N2888 200 80 3.0 125 10 TO-48C 2N2889 400 80 3.0 150 15 TO-48C 2N682 50 40 2.0 200 25 TO-48D 2N682A 50 40 2.0 200 25 TO-48D 2N683 100 40 2.0 200 25 TO-48D 2N683A 100 4g 2.0 200 25 TO-480 2NG84 150 4a 2.0 200 25 TO-48D 2N684A 150 40 2.0 200 25 TO-48D 2N685 200 40 2.0 200 25 TO-48D 2N685A 200 4) 2.0 200 25 TO-48D 2N686 250 40 2.0 200 25 TO-48D 2N686A 250 40 2.0 200 25 TO-48D 2N687 300 40 2.0 200 25 TO-48D 2N687A 300 40 2.0 200 25 TO-48D 2N688 400 40 2.0 200 25 TO-48D 2N688A 400 40 2.0 200 25 TO-48D 2N689 500 4g 2.0 200 25 TO-48D 2NG689A 500 40 2.0 200 25 TO-48D 2N690 600 40 2.0 200 25 TO-480 2N690A 600 40 2.0 200 25 TO-48D 2N691 700 40 2.0 200 25 TO-48D 2NGS1A 700 4c 2.0 200 25 TO-48D 2N692 800 40 2.0 200 25 TO-48D 2N692A 800 4g 2.0 200 25 TO-48D 2N5168 50 40 2.0 250 25 TO-48D 2N5169 200 40 2.0 250 25 TO-48D 2N5170 400 40 2.0 250 25 TO-48D 3-20