! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.5 V IC = 0.5 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 0.9783 -0.6 1.808 179.8 0.0017 90.0 0.9999 -0.3 0.020 0.9803 -1.1 1.839 178.7 0.0036 91.9 0.9943 -0.6 0.050 0.9783 -3.1 1.835 177.1 0.0095 87.9 0.9984 -1.5 0.100 0.9765 -6.1 1.814 174.1 0.0188 85.7 0.9975 -2.9 0.150 0.9740 -9.3 1.846 169.9 0.0282 83.0 0.9943 -4.5 0.200 0.9662 -12.4 1.815 167.0 0.0368 81.3 0.9928 -6.0 0.250 0.9632 -15.7 1.816 163.7 0.0464 78.4 0.9903 -7.5 0.300 0.9566 -18.6 1.833 160.2 0.0553 77.0 0.9857 -9.0 0.400 0.9393 -25.0 1.798 154.8 0.0719 72.7 0.9762 -11.9 0.500 0.9109 -30.8 1.743 147.6 0.0878 68.6 0.9634 -14.7 0.600 0.8914 -37.4 1.740 141.8 0.1034 64.8 0.9509 -17.3 0.700 0.8659 -43.0 1.726 135.9 0.1160 60.9 0.9345 -20.0 0.800 0.8348 -49.1 1.691 130.0 0.1282 57.1 0.9175 -22.3 0.900 0.8025 -54.2 1.629 124.5 0.1386 53.9 0.8999 -24.7 1.000 0.7710 -60.2 1.597 119.5 0.1472 50.9 0.8825 -26.9 1.100 0.7407 -66.1 1.572 114.6 0.1557 48.0 0.8665 -29.0 1.200 0.7067 -71.7 1.535 109.5 0.1625 45.1 0.8502 -31.2 1.300 0.6748 -77.6 1.510 104.8 0.1682 42.7 0.8330 -32.9 1.400 0.6392 -83.1 1.475 100.0 0.1716 40.4 0.8166 -34.8 1.500 0.6090 -89.4 1.462 95.7 0.1742 38.8 0.7991 -36.4 1.600 0.5737 -95.8 1.417 90.8 0.1775 36.8 0.7855 -37.9 1.700 0.5463 -101.5 1.388 87.0 0.1779 35.7 0.7664 -39.5 1.800 0.5146 -107.3 1.356 82.8 0.1808 34.6 0.7569 -40.8 1.900 0.4954 -114.2 1.338 78.8 0.1806 33.4 0.7446 -42.5 2.000 0.4661 -120.5 1.304 74.7 0.1826 32.6 0.7367 -43.8 2.200 0.4250 -134.1 1.250 67.4 0.1801 32.1 0.7118 -47.0 2.400 0.3891 -148.2 1.203 60.6 0.1798 32.3 0.6935 -50.0 2.600 0.3671 -164.2 1.162 54.2 0.1811 34.0 0.6745 -52.9 2.800 0.3593 -178.2 1.113 48.5 0.1820 35.2 0.6664 -56.6 3.000 0.3603 167.8 1.077 42.3 0.1846 38.2 0.6475 -60.2 3.500 0.3985 137.7 0.971 30.3 0.2088 44.7 0.6269 -71.7 4.000 0.4519 117.1 0.889 20.0 0.2581 48.9 0.6011 -86.6 4.500 0.5087 102.5 0.813 12.0 0.3246 47.7 0.5804 -104.3 5.000 0.5469 91.1 0.760 5.4 0.3990 42.6 0.5590 -123.6 5.500 0.5799 81.9 0.712 0.0 0.4683 35.2 0.5431 -144.3 6.000 0.6036 74.4 0.678 -4.0 0.5290 26.6 0.5355 -164.9 ! ! SIEMENS AG Semiconductor Group, Munich