NTE192 (NPN) & NTE193 (PNP) NTE192A (NPN) & NTE193.
NTE192 - Silicon Complementary Transistors
NTE1927 - Integrated Circuit 4-Terminal Negative Adjustable Voltage Regulator
NTE192A - Silicon Complementary Transistors
NTE1920 - 3 Terminal Positive Voltage Regulator
NTE1923 - 3 Terminal Negative Voltage Regulator
NTE1924 - Integrated Circuit Positive 3 Terminal Voltage Regulator
NTE1929 - 3 Terminal Adjustable Positive Voltage Regulator
NTE1925 - 3 Terminal Negative Voltage Regulator
NTE1928 - Integrated Circuit Positive Adjustable Voltage Regulator