The TMP6N90H is a RoHS-compliant MOSFET transistor manufactured by UNIGROUP. The device is packaged into a standard TO-220 package and has an maximum operating temperature of 150°C. It is a 4-pin, n-channel, unmatched gate-source enhancement Mode MOSFET. The device features low gate charge, low on-resistance, fast switching speed, and good dielectric strength. Its drain current rating is 6A, drain-source voltage rating is 90V, gate-source voltage rating is 20V. It has an RDS(ON) of 0.5 Ohm, and a total gate charge of 6 nC. This device is suitable for high-frequency, high-power switching applications such as power supplies, motor drives, and audio amplifiers.