The 35YXJ1000M12.5X20 is part of the YXJ series of capacitors from Rubycon Corporation. It is a 1000uF 35VDC 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