SMA73 SMA74 SMA74-2 SMA-742216-2 SM-A-742843-1 SMA7471A1-001-3GT50G-50 SMA7471A1-001-SXPT50G-50 SMA7471A1-3GT50G-50 SMA7471B1-003-3GT50G-50 SMA7471B13GT50G50