SE2470 Series AlGaAs Infrared Emitting Diode, Miniature Hermetically Sealed Metal Pill Style. The SE2470 is a high intensity aluminum gallium arsenide infrared emitting diode mounted in a hermetically sealed, glass lensed, metal can package. This package directly mounts in double sided PC boards. These devices typically exhibit 70% greater power intensity than gallium arsenide devices at the same forward current.