! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 5 V IC = 0.5 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 0.9820 -0.8 1.827 179.8 0.0012 82.2 0.9999 -0.2 0.020 0.9860 -1.2 1.825 179.7 0.0031 82.1 0.9998 -0.5 0.050 0.9817 -2.5 1.817 177.4 0.0071 91.5 0.9980 -1.4 0.100 0.9753 -5.6 1.800 174.8 0.0136 84.0 0.9978 -2.6 0.150 0.9757 -8.3 1.799 172.2 0.0208 83.8 0.9966 -3.9 0.200 0.9765 -11.0 1.808 169.3 0.0276 81.9 0.9955 -5.3 0.250 0.9746 -13.7 1.807 166.8 0.0344 80.6 0.9935 -6.7 0.300 0.9700 -16.5 1.811 164.8 0.0410 78.3 0.9924 -8.0 0.400 0.9628 -21.7 1.796 158.9 0.0546 74.4 0.9876 -10.6 0.500 0.9451 -27.5 1.778 153.5 0.0668 70.4 0.9804 -13.1 0.600 0.9301 -32.8 1.776 148.7 0.0795 66.6 0.9737 -15.7 0.700 0.9212 -38.3 1.730 143.8 0.0909 63.0 0.9637 -18.2 0.800 0.8982 -43.4 1.722 138.8 0.1019 59.3 0.9550 -20.6 0.900 0.8814 -48.8 1.693 133.9 0.1129 55.4 0.9445 -22.9 1.000 0.8610 -54.6 1.671 129.3 0.1225 52.1 0.9332 -25.2 1.100 0.8399 -60.1 1.665 124.4 0.1315 48.6 0.9212 -27.5 1.200 0.8152 -65.2 1.623 120.2 0.1398 45.0 0.9104 -29.9 1.300 0.7960 -71.0 1.603 115.7 0.1471 41.9 0.8968 -32.0 1.400 0.7711 -76.0 1.577 111.1 0.1542 38.8 0.8841 -34.1 1.500 0.7493 -82.4 1.567 106.7 0.1600 35.9 0.8698 -35.9 1.600 0.7234 -87.2 1.522 102.4 0.1658 33.1 0.8598 -37.7 1.700 0.7043 -93.6 1.501 98.1 0.1709 30.2 0.8452 -39.7 1.800 0.6757 -99.8 1.484 93.3 0.1759 27.8 0.8336 -41.3 1.900 0.6581 -106.1 1.468 89.4 0.1796 24.6 0.8204 -43.2 2.000 0.6332 -111.6 1.434 85.1 0.1830 22.4 0.8096 -44.8 2.200 0.5988 -123.4 1.362 77.1 0.1880 17.2 0.7873 -48.3 2.400 0.5672 -136.4 1.318 69.6 0.1907 12.3 0.7654 -51.7 2.600 0.5460 -149.5 1.254 62.6 0.1915 8.4 0.7425 -54.6 2.800 0.5274 -162.1 1.206 54.9 0.1924 4.0 0.7306 -57.7 3.000 0.5204 -174.5 1.156 47.9 0.1901 -0.1 0.7135 -60.9 3.500 0.5237 157.1 1.028 31.6 0.1848 -8.3 0.6974 -68.7 4.000 0.5609 134.7 0.909 17.4 0.1684 -14.4 0.6776 -77.9 4.500 0.6031 117.3 0.801 5.0 0.1525 -18.9 0.6743 -88.1 5.000 0.6404 104.5 0.703 -5.3 0.1356 -19.6 0.6722 -98.6 5.500 0.6733 94.1 0.625 -14.6 0.1261 -15.7 0.6778 -109.3 6.000 0.7112 85.6 0.556 -22.7 0.1239 -11.5 0.6898 -120.4 ! ! SIEMENS AG Semiconductor Group, Munich