! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 10 V IC = 2 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 0.9392 -1.2 6.362 178.6 0.0017 90.3 0.9968 -0.5 0.020 0.9360 -2.0 6.362 177.4 0.0031 89.1 0.9853 -1.0 0.050 0.9351 -5.1 6.455 174.6 0.0085 86.3 0.9934 -2.6 0.100 0.9288 -10.2 6.325 169.8 0.0163 83.1 0.9885 -5.1 0.150 0.9112 -15.7 6.321 163.5 0.0243 79.5 0.9777 -7.6 0.200 0.8925 -20.5 6.224 158.7 0.0318 77.6 0.9642 -9.9 0.250 0.8729 -25.2 6.027 153.9 0.0386 74.2 0.9519 -12.1 0.300 0.8436 -30.0 5.892 148.9 0.0456 72.3 0.9351 -14.0 0.400 0.7828 -38.8 5.605 140.5 0.0571 67.5 0.8967 -17.8 0.500 0.7177 -46.6 5.150 132.0 0.0671 63.8 0.8590 -20.7 0.600 0.6654 -54.0 4.803 125.1 0.0764 61.3 0.8241 -23.1 0.700 0.6039 -60.4 4.512 118.5 0.0835 58.7 0.7914 -25.0 0.800 0.5472 -66.7 4.192 112.4 0.0901 56.9 0.7625 -26.5 0.900 0.4945 -71.8 3.912 106.9 0.0960 55.7 0.7348 -27.9 1.000 0.4522 -77.5 3.656 102.5 0.1004 54.9 0.7119 -29.1 1.100 0.4101 -83.3 3.443 98.1 0.1060 54.3 0.6937 -30.3 1.200 0.3727 -88.1 3.234 93.8 0.1111 53.9 0.6784 -31.3 1.300 0.3380 -92.9 3.044 90.1 0.1161 53.6 0.6643 -32.1 1.400 0.3042 -97.7 2.885 86.4 0.1203 53.6 0.6522 -33.2 1.500 0.2778 -103.0 2.762 83.1 0.1252 53.8 0.6399 -34.0 1.600 0.2486 -109.8 2.621 79.2 0.1301 53.7 0.6303 -34.8 1.700 0.2195 -116.3 2.517 76.1 0.1351 54.4 0.6179 -35.7 1.800 0.1974 -122.3 2.407 73.2 0.1402 54.5 0.6102 -36.7 1.900 0.1853 -130.1 2.314 70.3 0.1462 54.7 0.6027 -37.8 2.000 0.1676 -138.3 2.218 67.4 0.1515 54.8 0.5974 -38.8 2.200 0.1427 -156.3 2.072 61.9 0.1636 55.2 0.5828 -41.2 2.400 0.1359 -175.7 1.943 56.7 0.1762 55.3 0.5700 -43.6 2.600 0.1428 161.8 1.838 51.9 0.1904 55.1 0.5551 -46.3 2.800 0.1545 147.8 1.741 47.5 0.2047 54.9 0.5449 -49.3 3.000 0.1758 135.6 1.661 42.7 0.2198 54.5 0.5302 -52.4 3.500 0.2444 115.0 1.487 32.4 0.2616 52.4 0.4975 -62.4 4.000 0.3108 103.6 1.360 22.7 0.3082 49.4 0.4634 -75.2 4.500 0.3750 96.1 1.255 13.9 0.3593 44.9 0.4283 -90.4 5.000 0.4291 89.1 1.172 5.4 0.4126 39.5 0.3984 -107.5 5.500 0.4770 82.9 1.080 -2.4 0.4638 33.2 0.3794 -127.2 6.000 0.5217 77.0 1.005 -9.5 0.5128 26.1 0.3718 -147.5 ! ! SIEMENS AG Semiconductor Group, Munich