ECA-M Aluminum Electrolytic Capacitors Panasonic ECA-M Aluminum Electrolytic Capacitors feature endurance at 85ºC for 2000 hours. Category temperature ranges from -40ºC to 85°C have a rated W.V. Range from 6.3VDC to 100VDC and for -25ºC to 85ºC has a rated W.V. Range from 160VDC to 450VDC. These capacitors are smaller than the SU series, the Panasonic ECA-M Series Aluminum Electrolytic Capacitors offer radial leads and RoHS compliance.