! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 5 V IC = 2 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9389 -1.2 6.464 177.9 0.0015 88.2 0.9951 -0.4 0.020 0.9432 -2.2 6.454 178.2 0.0030 83.9 0.9999 -1.1 0.050 0.9372 -5.5 6.347 175.1 0.0082 87.0 0.9943 -2.6 0.100 0.9309 -10.5 6.333 171.7 0.0160 83.1 0.9898 -5.1 0.150 0.9233 -15.3 6.238 166.8 0.0232 79.9 0.9863 -7.7 0.200 0.9182 -20.6 6.218 163.3 0.0307 77.6 0.9757 -10.1 0.250 0.9007 -25.6 6.176 159.2 0.0383 73.7 0.9651 -12.6 0.300 0.8863 -30.7 6.043 155.1 0.0448 70.9 0.9545 -15.0 0.400 0.8570 -39.9 5.816 148.4 0.0574 65.4 0.9263 -19.3 0.500 0.8151 -49.2 5.535 140.5 0.0683 60.2 0.8946 -23.3 0.600 0.7885 -58.2 5.300 134.3 0.0780 55.8 0.8617 -26.9 0.700 0.7557 -66.0 5.029 128.3 0.0864 51.9 0.8310 -30.2 0.800 0.7130 -73.5 4.735 122.7 0.0929 47.8 0.7981 -32.9 0.900 0.6825 -80.8 4.479 117.3 0.0990 44.9 0.7680 -35.3 1.000 0.6490 -88.0 4.259 112.6 0.1034 41.9 0.7425 -37.5 1.100 0.6232 -95.1 4.061 108.1 0.1079 39.5 0.7186 -39.8 1.200 0.5976 -101.5 3.849 103.8 0.1116 37.1 0.6960 -41.8 1.300 0.5779 -107.8 3.648 100.2 0.1144 35.2 0.6765 -43.3 1.400 0.5560 -113.6 3.445 96.4 0.1167 33.2 0.6593 -45.1 1.500 0.5452 -119.0 3.313 93.1 0.1185 31.9 0.6416 -46.5 1.600 0.5219 -125.2 3.137 89.2 0.1210 30.6 0.6265 -47.8 1.700 0.5100 -130.5 3.022 86.1 0.1223 29.5 0.6107 -49.2 1.800 0.4952 -136.1 2.897 82.9 0.1243 28.4 0.6014 -50.4 1.900 0.4871 -141.5 2.793 79.8 0.1253 27.3 0.5914 -52.0 2.000 0.4770 -146.4 2.669 76.7 0.1269 26.8 0.5795 -53.2 2.200 0.4657 -156.0 2.463 71.1 0.1293 25.1 0.5654 -55.6 2.400 0.4547 -165.3 2.309 65.6 0.1311 24.0 0.5475 -58.6 2.600 0.4503 -174.7 2.151 60.7 0.1323 23.1 0.5360 -60.8 2.800 0.4488 177.6 2.024 56.0 0.1337 22.5 0.5226 -63.6 3.000 0.4551 170.1 1.903 51.2 0.1354 22.0 0.5185 -66.1 3.500 0.4762 153.1 1.656 40.4 0.1425 21.0 0.5054 -74.0 4.000 0.5071 139.5 1.460 30.2 0.1471 20.2 0.4924 -83.0 4.500 0.5389 128.6 1.305 21.0 0.1533 19.4 0.4917 -92.1 5.000 0.5655 119.7 1.174 12.2 0.1595 19.0 0.5041 -102.3 5.500 0.5899 112.9 1.046 4.6 0.1668 18.6 0.5079 -111.6 6.000 0.6011 106.6 0.951 -2.5 0.1761 18.3 0.5279 -119.6 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.35 0.60 17 0.40 0.900 1.45 0.50 36 0.40 1.800 1.80 0.31 80 0.37 ! ! SIEMENS AG Semiconductor Group, Munich