Heading: Ceramic Capacitors: X7R vs. NP0 Dielectric Comparison
X7R ceramics offer high capacitance (100nF–100μF) but exhibit -15% to +15% capacitance drift over temperature. NP0 ceramics maintain ±30ppm/°C stability but max out at 1μF.
SACOH provides SPICE models for both dielectrics. A client in the telecommunications sector achieved 0.1% gain accuracy using NP0 capacitors in their VCXO circuit.