Small Signal Bipolar Transistor, 0.5A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-237, PLASTIC PACKAGE-3

Switching Regulator, 0.4A, 48kHz Switching Freq-Max, PDIP8, 0.300 INCH, PLASTIC, DIP-8

Switching Controller, Current-mode, 140kHz Switching Freq-Max, PDSO8, 0.300 INCH, PLASTIC, MS-001AB, DIP-8