We only sell 100% Genuine Renesas 2SJ162 and 2SK1058 either individually or as a pair. They will replace the 2SJ160 & 2SK1056 and the 2SJ161 & 2SK1057 as they are the higher rated pair of the series.These high power audio output MOS FETs are used in many high end audio devices so don't take a chance with cheap copies or fakes. Cricklewood Electronics have been an electronic component distributor since 1981 and only supply quality electronic components. Renesas was formed by Hitachi and Mitsubishi in 2003 to manufacturer their semiconductors (including the 2SJ162 and 2SK1058) so watch out for anyone selling "Hitachi" devices with date codes after this date.2SJ162 spec P Channel MOS FET TO-3P 160V 7A 100W. Genuine Renesas Device.2SK1058 specN Channel MOS FET TO-3P -160V -7A 100W. Genuine Renesas Device.