NRBE: 6 mm x 2.7 mm Epoxy sealed radial lead NTC thermistor
NRM: 7.0 mm x 2.3 mm Epoxy sealed radial lead NTC thermistor with enameled wire
NRL: 8.0 mm x 4.0 mm Epoxy sealed radial lead NTC thermistor with insulation lead wire
NRCE: 5 mm disc 5 ohm to 470 kilo-ohm epoxy sealed radial NTC thermistor for temperature sensing