0603 Ceramic Chip Inductors Coilcraft 0603 Ceramic Chip Inductors feature inductance values from 1nH to 390nH with exceptionally high Q of up to 95 at 1.7GHz. These devices have high self-resonant frequency (SRF) values and low DC resistance (DCR). Coilcraft 0603 Ceramic Chip Inductors are halogen free and RoHS and REACH compliant. The 0603CS series is also AEC-Q200 Grade 1 (-40°C to +125°C).