! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1 V IC = 12 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 0.6402 -6.3 20.268 176.4 0.0021 76.0 0.9077 -1.8 0.020 0.6438 -12.7 20.201 173.1 0.0041 80.7 0.9035 -3.8 0.050 0.6314 -30.3 19.578 162.1 0.0100 76.9 0.8809 -9.5 0.100 0.5972 -57.5 17.376 146.6 0.0177 63.6 0.8126 -17.0 0.150 0.5641 -79.6 15.088 134.1 0.0237 56.1 0.7365 -21.7 0.200 0.5410 -97.8 13.020 124.4 0.0269 50.8 0.6716 -24.3 0.250 0.5260 -112.0 11.227 117.0 0.0298 47.3 0.6196 -25.7 0.300 0.5158 -122.7 9.880 111.5 0.0321 45.3 0.5838 -26.2 0.400 0.4984 -140.4 7.797 102.0 0.0349 44.2 0.5337 -26.4 0.500 0.4923 -152.7 6.370 95.2 0.0379 42.8 0.5032 -26.3 0.600 0.4881 -162.2 5.439 89.8 0.0407 44.0 0.4847 -26.6 0.700 0.4886 -170.0 4.673 85.1 0.0432 45.1 0.4733 -27.0 0.800 0.4862 -176.5 4.146 80.9 0.0460 45.9 0.4657 -27.6 0.900 0.4908 177.7 3.696 77.1 0.0497 46.8 0.4589 -28.5 1.000 0.4920 172.1 3.326 73.4 0.0522 47.6 0.4532 -29.6 1.100 0.4943 167.3 3.045 69.9 0.0557 47.8 0.4492 -30.7 1.200 0.4982 163.0 2.793 67.0 0.0588 48.3 0.4465 -32.1 1.300 0.5057 159.0 2.579 63.8 0.0619 48.3 0.4439 -33.6 1.400 0.5093 154.6 2.411 61.0 0.0656 48.9 0.4412 -35.0 1.500 0.5130 151.2 2.252 57.7 0.0689 48.8 0.4400 -36.4 1.600 0.5199 147.2 2.118 55.0 0.0722 48.9 0.4385 -38.0 1.700 0.5249 143.9 1.980 51.9 0.0758 49.0 0.4362 -39.8 1.800 0.5360 140.5 1.869 49.1 0.0790 48.8 0.4335 -41.5 1.900 0.5377 137.5 1.776 46.6 0.0823 48.0 0.4314 -43.2 2.000 0.5454 134.1 1.677 43.9 0.0861 47.9 0.4297 -45.1 2.200 0.5578 128.6 1.531 38.7 0.0929 47.1 0.4253 -48.9 2.400 0.5749 122.7 1.401 33.7 0.0999 46.2 0.4203 -53.0 2.600 0.5915 117.7 1.289 29.0 0.1061 44.9 0.4147 -57.0 2.800 0.6082 113.0 1.191 24.0 0.1128 43.6 0.4105 -61.5 3.000 0.6231 108.2 1.112 19.6 0.1192 42.3 0.4044 -65.9 3.500 0.6610 98.0 0.934 8.8 0.1357 39.0 0.3966 -78.3 4.000 0.6978 89.9 0.806 -0.7 0.1515 35.0 0.3894 -91.5 4.500 0.7228 82.5 0.693 -9.4 0.1665 30.8 0.3886 -105.8 5.000 0.7449 76.3 0.605 -16.7 0.1811 27.1 0.3939 -119.5 5.500 0.7639 70.6 0.535 -23.5 0.1976 22.9 0.4119 -132.6 6.000 0.7851 65.7 0.472 -28.8 0.2125 18.3 0.4348 -145.2 ! ! SIEMENS AG Semiconductor Group, Munich