CorporationThe 1SMA4742A with Zener Diodes SMA manufactured by Microdiode Electronics Corporation is a DO-214AC package component that features RoHS compliance for circuit protection and voltage regulation applications. This component is a one-way, single-monolithic, surface-mount circuit module composed of a Zener diode and a parallel, high-power resistor, making it suitable for use in power supplies, overvoltage protection circuits, and light-load operation. The Zener diode has a wide dynamic working range, with a maximum Zener voltage of 75V. This component is capable of handling up to 1W of dissipation, with a maximum surge power of 3W and a maximum temperature rise of 100°C. A derating feature reduces the power capability above 70°C, protecting the component from thermal damage. The 1SMA4742A is designed to provide reliable operation with stable device parameters.