627% BFU520 NPN wideband silicon RF transistor.
BFU520X - NPN wideband silicon RF transistor
BFU520 - NPN wideband silicon RF transistor
BFU520A - NPN wideband silicon RF transistor
BFU520W - NPN wideband silicon RF transistor
BFU520XR - NPN wideband silicon RF transistor
BFU520Y - Dual NPN wideband silicon RF transistor