The 50ZLJ470M12.5X20 is part of the ZLJ series of capacitors from Rubycon Corporation. It is a 470uF 50VDC Aluminum Electrolytic Capacitor with Radial leads. It has a tolerance of ±20% and a 10000 hour lifetime. Size is 12.5mm dia x 20mm and temperature of operation is from -40 to 105°C