The DF04S with DB Bridge Rectifiers is a type of electronic part manufactured by SEP that meets the ROHS standard. The part is a four-pin bridge rectifier, meaning it is a diode that allows the flow of current in one direction. It has a maximum forward current of 4 amps, a voltage of 100 volts, and a power dissipation of 2.6 watts. The DF04S is capable of operating at temperatures between -55°C and 150°C. The part is also environmentally friendly, meeting industry standards for the use of lead-free materials.