Coated packaging, laser marking, RJ21/22/23 stability level is 0.5%, suitable for high precision requirement of the electronic circuit,
And my company EE/RE series product comparison, RJ series belong to the economical precision resistance
Low operating temperature range: 55 ℃ ~ + 125 ℃
Low low temperature coefficient, plus or minus 5 PPM / ℃ ~ + 50 PPM / ℃ (test temperature is 25 ℃ ~ 85 ℃)