c458

Abstract: LT 500-T C147N C520 NL-579C SCR C137 c137t C52T C45B C520 A/D
Contextual Info: RICHARDSON/ NATIONAL ELEK ,-QBE D • 7734=117 □□□□500 T ■ NAT - p « S S Ol PHASE CONTROL SCR’S NATIONAL TYPE NO. V C l 37 4 ’ " ' ! JEDECNO, s : i RMS on state current A max. 35 VOLTAGE RANGE lT(AV)Amps @ 180 conduction @ To I tsm Peak one cycle