5 Pcs Pack Lot WS TL431A 1228SB Triode TO-92 431 Programmable Shunt Regulator V
WS TL431A 1228SB. The TL431A is characterized for operation from -0C to +70C. 5 x WS TL431A TO-92 Programmable Shunt Regulator. Thesedevices have a typical dynamic output impedance of 0.2 ohms. Active output circuitry provides a very sharp turn-on characteristic.