Voltage Reference Part Numbe SMC431FTA TL431FTA TL431AFTA Package SOT-23 SOT-23 SOT-23 Cathode Voltage max. (V) 30 30 30 Reference Voltage (V) Sink Current 2.495 2.495 2.495 250μA ~ 200mA 250μA ~ 200mA 250μA ~ 200mA 1 / 1 Reference Voltage Accuracy ±0.5% ±1.6% ±1.0% Datasheet