FB340LM with Schottky Barrier Diodes (SBD) is an electronic component manufactured by Lite-On. It is a Mite Flat RoHS type diode used to regulate the current flow in circuits. The device works as a voltage regulator with a protect function to detect an over-voltage, over-current, and reverse polarity conditions, providing optimum protection of the devices connected to it. The FB340LM has an operating temperature range from -55°C to +125°C and a maximum forward current of 0.35A. It is composed of a die set embedded in a plastic material, which is then encapsulated in a ceramic housing. The device also features low forward voltage drop, fast switching speed, and low power loss characteristics. It is commonly used in rectifying circuits, lighting applications, and switching circuits.