thermistor and thermistor sensor.diode,glass,disc,chip and SMD thermistor THE OTHER SPECIFICATION ON THE APPEARANCE There is neither crack nor bare element, lead appearance on coated surface. There is neither two failure factors scratch, burr, etc nor more factors. here is neither bending point exceed 10 on the lead wire nor over two bending point.ELECTRICAL SPECIFICATION2-3-1 Resistance ResistanceR2510 1%2-3-2 B Constant R25 to R85 B25/85 3435K1%2-3-3 Operating Temp.R-50 to 1502-3-4 Dissipation Constant at 25, in still Air 3.0 mW/2-3-5 Insulation Resistance at DC 500V Min 100 2-3-6 Rated Powerat 25, in still Air45 mW2-3-7 Thermal TimeConstant at 25, in still Air 10 Sec