NATIONAL SEMICONDUCTOR LM109K NEW VOLTAGE REGULATOR 2 PIN IN 35 VDC OUT 5.1V .5A NSN Number 6110-01-076-2677. Made in the USA by NATIONAL SEMICONDUCTOR CORP. ANPJ INPUT CURRENT TYPE DC. ANPN OUTPUT CURRENT TYPE DC. ZZZY REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY CASE 11.01 (TO-3). byJuly 5, 2026