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

Circuit Protection, ESD Protection & Diode Arrays, PGB1010402KR, Littelfuse
PGB1 Series 250 V 0.04 pF Bi-Directional 0402 SMT PulseGuard® ESD Suppressor

Murata, XRCGB27M120F3M00R0, Frequency Control & Timing Devices, Resonators
XR Series 2 x 1.6 mm 27.12 MHz 6 pF Surface Mount Crystal Resonator

Connectors, Rectangular Connectors, DT06-6S, TE Connectivity
DT Series 6 Position Three Row Female Socket Free Hanging Plug Housing

Real Time Clocks, M41T81M6F, STMicroelectronics
M41T Series 2 V Surface Mount Serial I2C Real Time Clock with Alarm - SOIC-8