SMT850N Specifications 1) Product Name 2) Type No. 3) Chip (1) Chip Material (2) Chip Dimension (3) Peak Wavelength 4) Package (1) Lead Frame Die (2) Package Resin (3) Lens High Performance Infrared TOP IR LED SMT850N consists of an AlGaAs LED mounted on the lead frame as TOP LED package and is 20mW typical of output power. It emits a spectral band of radiation at 850nm. Outer dimension (Unit: mm) TOP IR LED SMT850N AlGaAs 0.4mm 0.4mm 850nm typ. Silver Plated PPA Resin Epoxy Resin Electr.