The RCS0402100RFKEC from Vishay is a Power Resistor with Resistance 1 to 10000000 ohm, Tolerance ±0.5 to 5 %, Power Rating 0.2 W, Voltage Rating 50 V, Temperature Operating Range -55 to 155 Degree C. Tags: Surface Mount. More details for RCS0402100RFKEC can be seen below.