Film dielectric capacitors, Type of capacitors Illinois, Ceramic disc capacitor

 Q/QRL Series 600 V 0.1 uF ±20 % Radial Metallized Polyester Quencharc® Capacitor

https://www.futureelectronics.com/p/passives--capacitors--film-capacitors/104m06qc100-paktron-capacitors-7486764