! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.5 V IC = 0.6 mA ! Common Emitter S-Parameters: May 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9750 -0.6 2.141 179.7 0.0017 89.2 0.9995 -0.4 0.020 0.9704 -1.3 2.165 178.6 0.0036 89.3 0.9991 -0.7 0.050 0.9741 -3.4 2.180 176.8 0.0094 86.5 0.9981 -1.6 0.100 0.9756 -6.5 2.148 173.7 0.0188 85.7 0.9987 -3.1 0.150 0.9648 -10.1 2.183 169.3 0.0278 83.0 0.9942 -4.9 0.200 0.9625 -13.1 2.149 166.2 0.0372 81.1 0.9914 -6.3 0.250 0.9585 -16.8 2.145 162.9 0.0460 78.6 0.9881 -7.9 0.300 0.9443 -20.0 2.160 159.3 0.0549 76.3 0.9825 -9.6 0.400 0.9266 -26.6 2.117 153.4 0.0713 71.8 0.9721 -12.6 0.500 0.8972 -32.7 2.044 146.2 0.0866 67.7 0.9565 -15.4 0.600 0.8706 -39.6 2.026 140.1 0.1013 63.9 0.9396 -18.2 0.700 0.8355 -45.5 2.000 134.1 0.1136 60.0 0.9205 -20.8 0.800 0.8056 -51.9 1.946 128.2 0.1250 56.3 0.9019 -23.3 0.900 0.7705 -57.2 1.878 122.3 0.1347 53.1 0.8821 -25.6 1.000 0.7366 -63.2 1.824 117.5 0.1426 50.1 0.8638 -27.7 1.100 0.7015 -69.3 1.782 112.5 0.1500 47.5 0.8454 -29.7 1.200 0.6658 -75.2 1.728 107.3 0.1561 44.8 0.8284 -31.9 1.300 0.6335 -81.2 1.694 102.7 0.1611 42.7 0.8102 -33.4 1.400 0.5966 -86.9 1.647 98.1 0.1639 40.8 0.7935 -35.3 1.500 0.5640 -93.0 1.625 93.8 0.1666 39.1 0.7757 -36.8 1.600 0.5288 -99.4 1.565 89.1 0.1693 37.7 0.7622 -38.2 1.700 0.4985 -105.4 1.534 85.1 0.1697 36.9 0.7428 -39.7 1.800 0.4707 -111.4 1.489 81.1 0.1722 36.2 0.7331 -41.0 1.900 0.4513 -118.5 1.461 77.2 0.1727 35.3 0.7212 -42.6 2.000 0.4251 -125.0 1.419 73.3 0.1748 34.8 0.7130 -43.9 2.200 0.3819 -138.7 1.358 66.2 0.1740 35.0 0.6886 -46.9 2.400 0.3573 -153.5 1.296 59.5 0.1755 35.7 0.6709 -49.8 2.600 0.3351 -169.5 1.246 53.3 0.1794 37.5 0.6528 -52.6 2.800 0.3328 176.6 1.190 47.8 0.1828 38.9 0.6439 -56.2 3.000 0.3363 162.1 1.150 41.9 0.1891 41.5 0.6261 -59.7 3.500 0.3808 133.7 1.035 29.9 0.2186 46.4 0.6036 -71.1 4.000 0.4392 114.7 0.946 19.7 0.2686 49.0 0.5770 -85.8 4.500 0.4976 101.1 0.867 11.6 0.3331 47.0 0.5549 -103.3 5.000 0.5377 90.2 0.806 4.5 0.4039 41.8 0.5328 -122.5 5.500 0.5719 81.4 0.750 -1.2 0.4705 34.4 0.5192 -143.2 6.000 0.5980 74.2 0.709 -6.0 0.5283 26.1 0.5120 -163.7 ! ! SIEMENS AG Semiconductor Group, Munich