The 1N4148W is a switching diode designed for high-speed switching applications. It has a maximum voltage rating of 75V with a low power dissipation of 400mW. It also has a reverse working voltage of 1V at 10mA. It has a fast switching times of 4ns, and a high continuous forward current rating of 150mA. The device comes in a small SOD-123 package with leads enabling it to fit into most applications requiring a small form factor. The device is manufactured by Doeshare and is ROHS compliant.