PLEASE, READ CAREFULLY EVERYTHING. MRF406, MOTOROLA, MATCHED PAIR, GOLD-PLATED, SILICON, RF POWER TRANSISTORS. Material of Transistor: Si. Maximum Collector Power Dissipation (Pc): 80 W. Operating Junction Temperature (Tj): 175 °C. Forward Current Transfer Ratio (hFE), MIN: 10. To most of the countries. Detailed info you can find in the table below. Others, not entered shall, Read More