1.Rated working voltage 6.3 to 100V DC/160 to 450V DC at operation temperature range -40 to +105°C/-25 to +105°C. 2.This series is for communication equipments,switching power supply,industrial measuring,automotive electric products,etc 3.Capacitance Tolerance:+/-20%(120MHZ,+20°C). 4.Free shipping from USA