JUW EDLC EVerCAP® Supercapacitors Nichicon JUW Electric Double Layer (EDLC) Supercapacitors feature radial leads and a rated voltage of 2.7V, one rank smaller than the JUM series. Nichicon JUW is a series of EVerCAP Supercapacitors adapted to the RoHS directive (2002/95/EC). The series has a wide temperature range from -25°C to +70°C and 2.7V rated voltage.