Capacitors ordering reference designation contains:
the word "capacitor";
abbreviated symbol;
case code designation for capacitors K53-65, K53-66, K53-68, K53-71, K53-72, K53-74, K53-77, K53-78;
complete designation of the rating voltage according to GOST 28884;
complete designation of the rating capacitance according to GOST 28884;
TU number.
Capacitors marking contains:
character "N" is for K50-68 non-polar capacitors;
character "Np" is for K50-15 non-polar capacitors;
character "V" is for all-climate capacitors;
character "I" is for insulated capacitors;
character "T" is for K53-4 tropical capacitors;
character "K" is for K50-68 capacitors with short leads;
character "F" is for K50-68 capacitor with formed leads;
character "C" is for K50-68 snap-in capacitors;
characters "A", "a", "B", "b" are for capacitors K50-77 capacitors depending on the embodiment;
character "Q" is a capacitance tolerance code (+30...-10)% for capacitors K50-17, K50-81, K50-83, K50-85, K50-86;
character "M" is a capacitance tolerance code (± 20%) for capacitors K50-68, K50-77, K50-85, K50-86, K50-87, K50-88, K50-89, K50-90, K50-91, K50-92, K50-93, K50-94, K50-95, K50-96, K50-98, K58-26;
character "T" is a capacitance tolerance code (+50...-10)% for capacitors K50-68, K50-77, K50-85;
character "S" is a capacitance tolerance code (+50...-20)% for capacitors K50-87, K50-88, K50-89, K50-90, K50-91, K50-92, K50-93, K50-94, K50-95, K50-96, K50-98, K58-26;
characters "a", "b" are for capacitors K50-86, K50-91, K50-93 capacitors depending on the embodiment.