The KNTC0603/10KF3950 is an NTC thermistor manufactured by Yongyutai Electronics. It has a resistance of 10kO at 25 degrees Celsius (77°F) and it is rated for 0.31mA, 100mW and has a tolerance of ±1%. It has a beta coefficient (or B-constant) of 3950K ±1%, and a case size of 0603. It is RoHS compliant.