! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 10 V IC = 8 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.8483 -2.0 17.887 177.1 0.0012 73.8 0.9797 -0.6 0.020 0.8520 -3.7 17.846 176.4 0.0023 85.7 0.9817 -1.6 0.050 0.8481 -9.4 17.553 171.9 0.0064 87.4 0.9749 -4.4 0.100 0.8282 -19.3 17.086 164.6 0.0117 78.1 0.9607 -8.7 0.150 0.8036 -28.7 16.634 157.2 0.0174 73.2 0.9357 -12.8 0.200 0.7681 -37.8 16.029 150.4 0.0227 70.7 0.9072 -16.4 0.250 0.7336 -46.4 15.239 144.0 0.0271 66.5 0.8727 -19.6 0.300 0.6945 -54.5 14.528 138.6 0.0312 63.3 0.8386 -22.3 0.400 0.6231 -68.6 12.866 128.1 0.0376 57.9 0.7747 -26.5 0.500 0.5552 -81.4 11.383 119.6 0.0428 53.5 0.7183 -29.4 0.600 0.4971 -93.5 10.220 112.6 0.0467 51.4 0.6703 -31.5 0.700 0.4528 -103.9 9.089 106.6 0.0500 49.7 0.6325 -32.9 0.800 0.4165 -113.4 8.278 101.3 0.0536 48.5 0.6032 -34.0 0.900 0.3909 -122.6 7.533 96.9 0.0570 47.3 0.5802 -34.9 1.000 0.3652 -131.7 6.869 92.6 0.0593 46.9 0.5604 -35.7 1.100 0.3468 -141.0 6.366 88.5 0.0626 46.1 0.5438 -36.6 1.200 0.3346 -149.1 5.886 85.1 0.0653 45.7 0.5314 -37.4 1.300 0.3262 -156.4 5.458 81.8 0.0680 45.5 0.5191 -38.2 1.400 0.3181 -164.2 5.119 78.7 0.0710 45.4 0.5094 -39.1 1.500 0.3157 -170.4 4.819 75.3 0.0741 45.1 0.5009 -39.9 1.600 0.3136 -178.1 4.528 72.6 0.0769 44.6 0.4940 -40.8 1.700 0.3116 176.1 4.265 69.8 0.0805 44.3 0.4872 -42.0 1.800 0.3188 169.9 4.048 66.9 0.0828 43.9 0.4803 -43.1 1.900 0.3201 164.1 3.849 64.4 0.0859 43.1 0.4745 -44.2 2.000 0.3247 158.5 3.653 61.9 0.0890 42.9 0.4695 -45.3 2.200 0.3415 149.2 3.330 56.8 0.0948 42.1 0.4585 -47.9 2.400 0.3550 140.2 3.067 52.1 0.1007 40.7 0.4487 -50.6 2.600 0.3761 132.8 2.826 47.6 0.1063 39.5 0.4370 -53.5 2.800 0.3971 126.3 2.626 42.7 0.1115 38.1 0.4294 -56.6 3.000 0.4182 120.2 2.455 38.5 0.1170 36.9 0.4181 -59.6 3.500 0.4732 107.3 2.092 28.0 0.1305 33.2 0.3993 -68.4 4.000 0.5264 97.3 1.821 18.1 0.1432 29.4 0.3805 -78.1 4.500 0.5686 89.1 1.595 8.7 0.1542 25.5 0.3664 -88.8 5.000 0.6048 82.6 1.414 0.4 0.1642 22.3 0.3580 -99.4 5.500 0.6332 76.9 1.270 -8.0 0.1768 18.8 0.3624 -110.5 6.000 0.6665 71.9 1.149 -15.8 0.1881 14.9 0.3735 -121.7 ! ! SIEMENS AG Semiconductor Group, Munich