The SML4742AHE3_A/H is a zener diode designed for use in discrete semiconductor products. It is a part of the automotive series and is AEC-Q101 compliant. This zener diode has a maximum power of 1 W and a voltage of 12 V. The package/case is DO-214AC, SMA with a supplier device package of DO-214AC (SMA). The tolerance of this zener diode is ±5%, and the maximum impedance (Zzt) is 9 Ohms. The current reverse leakage @ Vr is 5 μA @ 9.1 V. The SML4742AHE3_A/H is designed to operate at a temperature range of 150°C. This zener diode is manufactured by Vishay General Semiconductor - Diodes Division and is an ideal choice for a wide range of applications.