HB SMD Aluminum Electrolytic Capacitors Panasonic HB Series SMD Aluminum Electrolytic Capacitors offer low impedance and are AEC-Q200 qualified and RoHS directive compliant. Vibration-proof product is available in sizes 08mm and larger. The HB Series from Panasonic features a rated w.v. range of 4VDC to 50VDC, and a nominal capacitance range of 1μF to 470μF.