Features of NTC Thermistor: 1: high testing precision 2: small and quick in reaction 3: long and good service 4: good interconvertibility and consistency specification: 1: resistance: R25 2～1388KΩ 2: tolerance of resistance: ± 1%, ± 2.5%, ± 5%, ± 10% 3: B value: 25/85=3420～4557K 4: tolerance of B value: ± 1%, ± 2%, ± 3% 5: operating temperature: -30° C~350° C Application: temperature testing and temperature controlling in domestic electronic appliances, such as micro-wave ovens, water boiler, electronic heaters.