! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 0.5 V IC = 2.5 mA ! Common Emitter S-Parameters: October 1994 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9115 -1.7 7.649 179.1 0.0021 88.7 0.9855 -0.7 0.020 0.9140 -3.4 7.611 177.6 0.0045 90.8 0.9856 -1.4 0.030 0.9131 -4.8 7.642 176.6 0.0063 86.9 0.9840 -2.2 0.050 0.9136 -8.2 7.687 174.2 0.0109 84.8 0.9826 -3.6 0.100 0.8986 -16.1 7.587 167.6 0.0209 81.2 0.9725 -7.1 0.150 0.8781 -23.6 7.448 161.0 0.0312 76.4 0.9547 -10.4 0.200 0.8530 -31.1 7.217 155.2 0.0402 72.9 0.9318 -13.4 0.250 0.8266 -38.4 6.987 149.7 0.0486 69.1 0.9075 -16.3 0.300 0.7902 -45.1 6.708 144.1 0.0560 65.5 0.8801 -18.7 0.400 0.7260 -57.6 6.169 134.5 0.0689 60.0 0.8228 -22.8 0.500 0.6620 -69.1 5.612 126.2 0.0791 55.8 0.7723 -25.7 0.600 0.6091 -79.3 5.100 119.1 0.0868 52.4 0.7229 -27.9 0.700 0.5590 -89.0 4.613 112.9 0.0928 50.0 0.6839 -29.4 0.800 0.5190 -97.4 4.269 107.2 0.0984 48.1 0.6473 -30.6 0.900 0.4855 -105.4 3.914 102.5 0.1028 47.0 0.6197 -31.5 1.000 0.4583 -112.7 3.622 98.2 0.1069 45.8 0.5938 -32.3 1.100 0.4359 -119.7 3.352 93.8 0.1107 45.2 0.5738 -33.0 1.200 0.4158 -126.5 3.133 90.2 0.1145 44.5 0.5537 -33.7 1.300 0.4053 -132.5 2.947 86.9 0.1173 44.6 0.5392 -34.2 1.400 0.3899 -138.7 2.761 83.4 0.1211 44.5 0.5256 -35.0 1.500 0.3856 -144.3 2.617 80.3 0.1236 44.7 0.5126 -35.4 1.600 0.3809 -149.6 2.481 77.1 0.1274 45.0 0.5046 -36.1 1.700 0.3778 -154.4 2.367 74.4 0.1301 45.3 0.4938 -36.7 1.800 0.3715 -159.9 2.248 71.5 0.1342 45.4 0.4867 -37.5 1.900 0.3711 -164.5 2.140 68.8 0.1382 45.6 0.4789 -38.5 2.000 0.3690 -168.4 2.057 66.4 0.1421 45.9 0.4725 -39.5 2.200 0.3709 -176.0 1.903 61.2 0.1498 46.1 0.4588 -41.5 2.400 0.3726 176.7 1.776 56.7 0.1578 46.3 0.4479 -43.9 2.600 0.3782 170.2 1.666 52.3 0.1664 46.8 0.4388 -46.0 2.800 0.3836 164.1 1.562 47.8 0.1757 46.6 0.4312 -49.1 3.000 0.3929 158.6 1.480 43.6 0.1850 46.7 0.4215 -51.9 3.200 0.4017 153.2 1.409 39.7 0.1955 46.8 0.4156 -55.2 3.400 0.4092 148.9 1.341 35.8 0.2061 46.5 0.4086 -58.8 3.600 0.4209 144.2 1.287 32.2 0.2175 45.9 0.4004 -62.6 3.800 0.4303 140.5 1.227 28.7 0.2272 45.3 0.3899 -66.5 4.000 0.4395 136.8 1.179 25.2 0.2392 44.6 0.3840 -70.6 4.500 0.4646 129.6 1.078 16.8 0.2676 42.3 0.3678 -81.4 5.000 0.4732 122.5 0.983 9.4 0.2990 39.6 0.3640 -90.4 5.500 0.4725 117.1 0.928 1.2 0.3407 34.6 0.3712 -102.6 6.000 0.4683 110.0 0.875 -7.1 0.3808 28.3 0.3740 -113.5 ! ! SIEMENS AG Semiconductor Group, Munich