First line: Product Family: Part Number Series: Ultra Precision Chip Resistor Networks RA1632 RN1632 Series Construction: High Purity Alumina Substrate alloy thin-film resistive element Wrap around electrodes RA1632 series features gold over terminations (RoHS compliant Free) RN1632 series features 100% matte oAbstract: .. Alumina Substrate Ni alloy thin-film resistive element Wrap around electrodes RA1632 series features gold over Ni. terminations RoHS compliant & Pb Free RN1632 RN1632 series features 100 .. Tags: RA1632 RN1632