BS 6493-1.5:1992

This standard BS 6493-1.5:1992 Semiconductor devices. Discrete devices is classified in these ICS categories:

• 31.260 Optoelectronics. Laser equipment

This standard applies to the following categories or sub-categories of devices:

• Semiconductor photoemitters, including:
  • light-emitting diodes (LEDs);
  • infrared-emitting diodes (IREDs);
  • laser diodes and laser-diode modules;
  • optoelectronic displays (under consideration).
• Semiconductor photoelectric detectors, including:
  • photodiodes;
  • phototransistors.
• Semiconductor photosensitive devices, including:
  • photoresistors, photoconductive cells;
  • photothyristors (under consideration).
• Semiconductor devices utilizing optical radiation for internal operation, including:
  • photocouplers, optocouplers.

The sequence of the different chapters is in accordance with Publication 747-1, Chapter III, subclause 2.1.

Relevant terminology and letter symbols, essential ratings and characteristics and measuring methods.