IC, SM, PRECISION, VOLT REF, 4V; Reference Voltage:4V; Temperature Coefficient:50ppm/°C; No. of Pins:3; Operating Temperature Range:0°C to +70°C; Case Style:SOT-223; Max Operating Temperature:70°C; Min Temperature Operating:0°C; Base Number:040; Logic Function Number:40; Termination Type:SMD; Diode Type:Voltage reference; Max Junction Temperature Tj:70°C; Min Junction Temperature, Tj:0°C; Reference Voltage & Age Tolerance:1%; Temperature Coeff. +:50ppm/°C; Tolerance:1.0%; Voltage Regulator Type:Fixed