The OPF372A is a 850nm 35MHz GaAlAs LED Fibre Optic Transmitter specifically designed to efficiently launch optical power into fibres ranging in size from 50/125μm up to 200/300μm diameter fibre. Multiple power ranges with upper and lower limits are offered which allows the designer to select a device best suited for the application. This transmitter of features high speed and efficient coupled power makes it an ideal transmitter for integration into all types of data communications equipment. The mechanical design of this packaged is intended for PC Board or panel mounting. It is shipped with a lock washer, jam nut, 2 #2-56 screws and a protective dust cap.