The 0603GBD0790S01 is a two-terminal, water-clear green surface-mount indicator LED in a 0603 (1608 metric) package, identified in NextGen Component’s specification as Oriental Technology original part BND-0603G-BD-079. Its common application is a resistor-limited power or microcontroller status indicator; the supplier also lists switch and display backlighting applications.
Source: NextGen specification, general parameters and applications.