The 400BXC10MEFC10X20 is part of the BXC series of capacitors from Rubycon Corporation. It is a 10uF 400VDC Aluminum Electrolytic Capacitor with Radial leads. It has a tolerance of ±20% and a 10000 hour lifetime. Size is 10mm dia x 20mm and temperature of operation is from -25 to 105°C