! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1.5 V IC = 0.25 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 0.9880 -0.5 0.947 -179.9 0.0012 85.4 0.9999 -0.2 0.020 0.9948 -1.1 0.969 179.8 0.0027 82.7 0.9930 -0.4 0.050 0.9912 -1.9 0.961 177.5 0.0069 91.0 0.9984 -1.1 0.100 0.9847 -4.2 0.949 175.2 0.0133 86.1 0.9999 -2.2 0.150 0.9859 -6.5 0.959 172.9 0.0196 84.2 0.9994 -3.3 0.200 0.9852 -8.6 0.961 170.2 0.0264 83.9 0.9980 -4.4 0.250 0.9860 -10.7 0.956 167.8 0.0329 82.2 0.9966 -5.6 0.300 0.9809 -12.9 0.967 166.0 0.0392 80.5 0.9956 -6.6 0.400 0.9748 -17.1 0.960 160.3 0.0520 77.1 0.9936 -8.8 0.500 0.9610 -21.5 0.951 155.4 0.0646 73.4 0.9903 -10.9 0.600 0.9511 -25.6 0.959 151.0 0.0775 70.2 0.9854 -13.1 0.700 0.9501 -30.2 0.944 146.0 0.0893 67.1 0.9808 -15.3 0.800 0.9335 -34.3 0.949 141.7 0.1011 63.8 0.9770 -17.4 0.900 0.9188 -38.5 0.935 137.0 0.1125 60.5 0.9694 -19.4 1.000 0.9091 -43.0 0.925 132.5 0.1227 57.5 0.9628 -21.5 1.100 0.8919 -47.3 0.937 128.0 0.1337 54.4 0.9570 -23.5 1.200 0.8760 -51.7 0.927 124.0 0.1433 50.9 0.9503 -25.7 1.300 0.8585 -56.5 0.926 119.4 0.1528 48.0 0.9416 -27.6 1.400 0.8380 -60.7 0.922 115.3 0.1614 45.0 0.9336 -29.7 1.500 0.8218 -65.8 0.931 110.8 0.1695 42.3 0.9228 -31.4 1.600 0.7976 -69.8 0.922 106.5 0.1780 39.7 0.9166 -33.2 1.700 0.7831 -75.0 0.911 102.3 0.1851 36.7 0.9051 -35.2 1.800 0.7546 -80.0 0.918 97.2 0.1922 34.2 0.8972 -36.8 1.900 0.7402 -85.5 0.918 93.5 0.1984 31.1 0.8867 -38.7 2.000 0.7111 -89.9 0.911 88.9 0.2051 28.7 0.8802 -40.3 2.200 0.6711 -100.4 0.886 80.4 0.2151 23.2 0.8603 -43.9 2.400 0.6343 -111.4 0.882 72.7 0.2240 17.9 0.8424 -47.3 2.600 0.5967 -123.5 0.856 65.3 0.2290 13.2 0.8198 -50.5 2.800 0.5650 -135.2 0.845 56.9 0.2360 8.1 0.8108 -53.7 3.000 0.5387 -147.6 0.825 49.4 0.2372 3.0 0.7929 -57.0 3.500 0.5025 -178.5 0.764 31.7 0.2416 -8.3 0.7768 -65.0 4.000 0.5163 154.4 0.704 15.8 0.2288 -18.7 0.7531 -74.0 4.500 0.5521 132.1 0.630 2.1 0.2133 -28.1 0.7470 -83.8 5.000 0.5844 116.5 0.558 -9.0 0.1859 -34.4 0.7441 -93.5 5.500 0.6275 103.6 0.507 -19.3 0.1691 -37.7 0.7507 -104.1 6.000 0.6682 93.2 0.450 -28.5 0.1521 -40.0 0.7620 -114.7 ! ! SIEMENS AG Semiconductor Group, Munich