2N681 - silicon controlled rectifiers
2N681 thru 2N689 (SILICON) CME2~ Industrial-type, silicon controlled rectifiers in a stud package with current handling capability to 25 amperes at junction temperatures to 1250 C. MCR equivalents available in TO-48 package - i.e. - 2N681 available in T0-48 package as MCR681. = MAXIMUM RATINGS (T.. 12S C unless otherwise noted) Rating Symbol Value Peak Reverse Blocking Voltage. t VRSM(rep) t 2N681 25 2N682 50 2N683 100 2N684 150 2N685 200 2N686 250 2N687 300 2N688.