What is the difference in part numbers CRCW060312K0JNEA and CRCW060312K0FKEA?
CRCW060312K0JNEA has a 5% tolerance and +/- 200ppm/°C Temp Coefficient
CRCW060312K0FKEA has a 1% tolerance and +/- 100ppm/°C Temp Coefficient
Here is a complete part number breakdown from the Vishay datasheet for further details please see the manufacturer’s datasheet.