2SC1972

D1-28Z Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR CD6105A Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR C3-28 Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR C1-12 Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR C1206C102K1RACTU Advanced Semiconductor All Gold Bonding Scheme REV. A BLW31 Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR AVF250 Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR AVF450 Advanced Semiconductor NPN SILICON RF POWER TRANSISTOR