Low Pass Filter, lowpass RF, RF Filter, radio frequency filter

 Samsung Electro-Mechanics CL21A476MQYNNNE in Reel. CL21 Series 47 uF 6.3V ±20 % Tolerance X5R SMT Multilayer Ceramic Capacitor.

https://www.futureelectronics.com/p/wireless-rf--rf-filters--ceramic-filter/cl21a476mqynnne-samsung-electro-mechanics-3000860