MOTOROLA The RF Line SEMICONDUCTOR TECHNICAL DATA.
2N6439 - Silicon NPN POWER TRANSISTOR
2N6439 - 60 W/ 225 to 400 MHz CONTROLLED Q BROADBAND RF POWER TRANSISTOR
2N6439 - The RF Line NPN Silicon Power Transistor
2N6439 - POWER TRANSISTOR
2N6439 - NPN SILICON RF POWER TRANSISTOR