The S1GFL is a standard diode manufactured by Fairchild/ON Semiconductor. It has a voltage rating of 400V and an average rectified current of 1A. The voltage forward of this diode is 1.1V at 1A, and its reverse recovery time is 2μs. The current reverse leakage of this diode is 1μA at 400V, and its capacitance is 4pF at 4V, 1MHz. The operating temperature of this diode is -50°C to 150°C. The supply and demand status of this product is sufficient. It comes in a SOD-123F case/package and has a speed (frequency) of standard recovery >500ns, > 200mA (Io). The S1GFL is a reliable and efficient diode that is suitable for use in various electronic devices.