The 1N4741A with Zener Diodes DO-41 RoHS manufactured by Semtech is a 3.9V, 1.3W, encapsulated, glass passivated, Zener diode featuring a low temperature coefficient and noise performance. It is RoHS compliant and is primarily used for voltage regulation, over-voltage protection, and surge tolerance for low-power electrical & electronic devices.Features include low leakage current, high temperature stability, low dynamic impedance, and a package size that allows for high-density board mounting. The 1N4741A is suitable for use in a variety of applications in the industrial, automotive, and commercial markets.