Trans Voltage Suppressor Diode, 7000W, 23V V(RWM), Unidirectional, 1 Element, Silicon, STO-220, 3 PIN

300 mA, 28 V low-dropout voltage regulator, with 5 µA quiescent current
56kbps DATA, MODEM-SUPPORT CIRCUIT, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, TQFP-48