描述：*** IN DEVELOPMENT DO NOT USE! *** For Macom MRF454 RF Line NPN Bipolar Silicon Power Transistor 80W, 30MHz, 12.5V. CASE 211–11, STYLE 1 Device page: https://www.macom.com/products/product-detail/MRF454 Datasheet: https://cdn.macom.com/datasheets/MRF454.pdf Note that datasheet shows pinout for an N channel MOSFET. Pin mapping should be: Drain => Collector (C) Source => Emitter (E) Gate => Base (B)