Welcome to Panasonic’s SP Caps product training module. Panasonic developed the Specialty Polymer Aluminum Electrolytic Capacitors in 1984, over twenty years ago. Panasonic is the leading company in developing new technology and manufacturing capability for polymer aluminum electrolytic capacitors. The Specialty Polymer Aluminum Electrolytic Capacitors are also known as “SP-Cap”. The primary benefits of “SP-Cap” are ultra-low ESR, high ripple current capacity and static electrical properties.