This standard specifies the naming method for potentiometer models used in electronic equipment. This standard applies to the model naming of potentiometers included in GB/T 15298 "General Specifications for Potentiometers for Electronic Equipment Part 1". This standard does not apply to the model naming of photoelectric, magnetic control and other potentiometers.
SJ/T 10503-1994 history
1994SJ/T 10503-1994 Type designation for Potentiometers for use in electronic equipment