The components marked by A, B, C, D, E and F are the photodiodes (photo sensitivity. About 0.4A/W @650nm, 780nm) Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.