! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2.5 V IC = 0.5 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 0.9837 -0.7 1.838 178.6 0.0014 95.5 0.9986 -0.3 0.020 0.9860 -1.2 1.836 179.0 0.0031 84.6 0.9979 -0.6 0.050 0.9865 -3.1 1.825 176.7 0.0085 87.2 0.9973 -1.5 0.100 0.9761 -5.9 1.812 174.9 0.0170 86.9 0.9964 -3.0 0.150 0.9797 -8.4 1.806 171.2 0.0252 83.0 0.9963 -4.7 0.200 0.9756 -11.3 1.816 168.9 0.0335 81.9 0.9946 -6.1 0.250 0.9719 -13.9 1.812 166.1 0.0419 79.0 0.9904 -7.6 0.300 0.9661 -17.1 1.798 163.3 0.0501 77.3 0.9907 -9.2 0.400 0.9582 -22.4 1.788 158.6 0.0658 73.2 0.9828 -12.1 0.500 0.9401 -28.0 1.754 152.3 0.0810 69.8 0.9740 -15.0 0.600 0.9297 -33.5 1.732 147.6 0.0956 65.5 0.9660 -17.8 0.700 0.9203 -38.6 1.711 142.6 0.1092 61.9 0.9544 -20.7 0.800 0.8939 -44.1 1.677 137.5 0.1222 57.9 0.9415 -23.4 0.900 0.8792 -49.3 1.646 132.5 0.1339 54.7 0.9274 -25.9 1.000 0.8594 -54.4 1.621 128.2 0.1441 51.1 0.9141 -28.4 1.100 0.8420 -59.7 1.599 123.7 0.1546 47.9 0.9023 -30.9 1.200 0.8234 -64.6 1.553 119.3 0.1643 44.6 0.8891 -33.5 1.300 0.8059 -69.4 1.524 115.3 0.1721 41.8 0.8754 -35.6 1.400 0.7881 -74.1 1.481 111.0 0.1785 38.7 0.8617 -37.9 1.500 0.7704 -78.9 1.472 107.2 0.1851 36.0 0.8480 -39.9 1.600 0.7389 -83.7 1.430 102.7 0.1911 33.6 0.8345 -41.8 1.700 0.7268 -89.4 1.420 98.9 0.1958 31.0 0.8175 -43.8 1.800 0.7015 -93.7 1.392 94.8 0.2007 28.8 0.8080 -45.4 1.900 0.6905 -98.9 1.370 91.2 0.2042 26.3 0.7974 -47.5 2.000 0.6707 -103.6 1.335 87.0 0.2086 24.3 0.7854 -49.2 2.200 0.6411 -112.6 1.274 80.1 0.2139 19.8 0.7660 -52.6 2.400 0.6143 -121.7 1.229 73.1 0.2171 15.9 0.7438 -56.3 2.600 0.5871 -131.4 1.180 67.0 0.2179 12.7 0.7254 -58.9 2.800 0.5678 -140.3 1.133 60.8 0.2199 8.9 0.7107 -62.4 3.000 0.5549 -149.3 1.091 54.7 0.2191 5.9 0.7023 -65.3 3.500 0.5355 -171.4 0.988 40.9 0.2193 -0.9 0.6862 -73.5 4.000 0.5430 169.5 0.896 28.2 0.2073 -6.9 0.6671 -82.8 4.500 0.5650 153.6 0.815 17.0 0.1945 -11.7 0.6670 -92.1 5.000 0.5868 140.3 0.739 6.9 0.1783 -14.4 0.6796 -102.3 5.500 0.6088 130.2 0.656 -1.4 0.1627 -14.6 0.6803 -111.9 6.000 0.6267 121.8 0.590 -8.5 0.1521 -11.8 0.6947 -120.2 ! ! SIEMENS AG Semiconductor Group, Munich