! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 12 V IC = 2.5 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 0.9477 -1.2 7.729 177.3 0.0015 76.3 0.9910 -0.6 0.020 0.9512 -2.3 7.774 177.6 0.0026 80.9 0.9944 -1.2 0.050 0.9460 -5.6 7.598 174.6 0.0074 85.9 0.9892 -2.7 0.100 0.9394 -11.0 7.541 171.3 0.0155 82.1 0.9886 -5.6 0.150 0.9292 -16.1 7.491 166.1 0.0224 78.6 0.9797 -8.4 0.200 0.9227 -21.3 7.403 162.6 0.0297 76.2 0.9690 -11.0 0.250 0.9084 -26.6 7.329 158.3 0.0363 72.3 0.9560 -13.7 0.300 0.8879 -32.0 7.194 154.0 0.0430 70.7 0.9434 -16.2 0.400 0.8492 -41.3 6.890 147.1 0.0551 64.6 0.9094 -20.8 0.500 0.8095 -50.5 6.476 139.2 0.0651 59.5 0.8748 -24.9 0.600 0.7728 -59.4 6.193 132.8 0.0743 55.5 0.8399 -28.6 0.700 0.7349 -67.8 5.866 126.8 0.0814 51.5 0.8037 -31.8 0.800 0.6955 -75.5 5.501 121.1 0.0877 47.8 0.7682 -34.6 0.900 0.6612 -82.4 5.157 115.9 0.0929 45.0 0.7364 -36.9 1.000 0.6271 -89.4 4.876 111.4 0.0972 42.4 0.7109 -39.0 1.100 0.5982 -96.5 4.628 107.0 0.1013 40.2 0.6858 -41.2 1.200 0.5682 -102.9 4.377 102.8 0.1050 38.1 0.6636 -43.2 1.300 0.5501 -108.9 4.143 99.2 0.1079 36.5 0.6430 -44.6 1.400 0.5270 -114.8 3.913 95.5 0.1099 34.9 0.6255 -46.3 1.500 0.5093 -120.1 3.756 92.2 0.1119 33.7 0.6079 -47.7 1.600 0.4913 -126.6 3.555 88.5 0.1140 32.6 0.5913 -49.0 1.700 0.4793 -132.1 3.407 85.5 0.1155 31.7 0.5752 -50.3 1.800 0.4641 -137.2 3.258 82.5 0.1178 30.8 0.5672 -51.3 1.900 0.4579 -142.5 3.131 79.6 0.1194 30.0 0.5579 -52.9 2.000 0.4460 -147.3 2.991 76.7 0.1213 29.4 0.5460 -54.0 2.200 0.4333 -157.1 2.762 71.3 0.1240 28.2 0.5305 -56.4 2.400 0.4252 -166.2 2.578 66.0 0.1269 27.2 0.5146 -59.2 2.600 0.4198 -175.5 2.401 61.2 0.1288 26.5 0.5016 -61.3 2.800 0.4206 176.5 2.253 56.7 0.1317 25.8 0.4892 -64.1 3.000 0.4258 168.8 2.124 52.1 0.1341 25.7 0.4837 -66.4 3.500 0.4481 152.2 1.840 41.5 0.1431 24.3 0.4691 -74.3 4.000 0.4790 138.5 1.627 31.7 0.1499 23.0 0.4555 -83.0 4.500 0.5113 128.2 1.453 22.6 0.1578 21.5 0.4544 -92.0 5.000 0.5394 119.4 1.307 14.1 0.1652 20.6 0.4647 -102.0 5.500 0.5640 112.6 1.170 6.5 0.1733 19.4 0.4687 -111.2 6.000 0.5760 106.4 1.064 -0.8 0.1821 18.5 0.4902 -118.8 ! ! SIEMENS AG Semiconductor Group, Munich