! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 6 V IC = 0.4 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 0.9866 -0.7 1.448 179.8 0.0013 84.3 0.9999 -0.2 0.020 0.9869 -1.0 1.438 179.7 0.0030 88.7 0.9944 -0.4 0.050 0.9858 -2.4 1.447 177.5 0.0071 92.1 0.9984 -1.3 0.100 0.9825 -5.2 1.441 175.1 0.0135 85.4 0.9978 -2.5 0.150 0.9824 -7.5 1.431 172.5 0.0207 84.4 0.9967 -3.7 0.200 0.9805 -10.1 1.447 169.9 0.0275 82.8 0.9965 -4.9 0.250 0.9795 -12.6 1.442 167.4 0.0340 80.9 0.9949 -6.2 0.300 0.9786 -15.0 1.430 165.5 0.0411 78.9 0.9937 -7.5 0.400 0.9675 -19.9 1.435 159.8 0.0545 75.5 0.9902 -9.9 0.500 0.9546 -25.2 1.432 154.6 0.0669 71.5 0.9849 -12.4 0.600 0.9435 -29.9 1.422 149.9 0.0798 67.7 0.9791 -14.8 0.700 0.9353 -35.1 1.387 145.2 0.0915 64.5 0.9725 -17.2 0.800 0.9173 -40.0 1.391 140.5 0.1026 60.9 0.9646 -19.4 0.900 0.9038 -45.0 1.383 135.6 0.1141 57.3 0.9549 -21.8 1.000 0.8854 -50.3 1.368 131.1 0.1237 53.8 0.9459 -24.0 1.100 0.8686 -55.4 1.365 126.2 0.1343 50.4 0.9367 -26.2 1.200 0.8466 -60.4 1.341 122.3 0.1429 46.7 0.9273 -28.6 1.300 0.8287 -65.7 1.330 117.7 0.1510 43.8 0.9159 -30.6 1.400 0.8069 -70.6 1.304 113.4 0.1585 40.6 0.9038 -32.7 1.500 0.7873 -76.4 1.306 108.9 0.1651 37.7 0.8913 -34.6 1.600 0.7612 -81.3 1.279 104.5 0.1725 35.1 0.8827 -36.3 1.700 0.7455 -87.2 1.273 100.3 0.1779 32.0 0.8694 -38.4 1.800 0.7160 -93.3 1.269 95.3 0.1830 29.4 0.8573 -40.1 1.900 0.6990 -99.4 1.258 91.3 0.1878 26.2 0.8453 -42.0 2.000 0.6718 -104.5 1.236 87.0 0.1919 23.8 0.8362 -43.5 2.200 0.6366 -115.9 1.180 78.9 0.1992 18.4 0.8155 -47.2 2.400 0.6022 -128.4 1.155 71.2 0.2025 13.2 0.7935 -50.7 2.600 0.5791 -141.2 1.106 64.0 0.2048 8.9 0.7709 -53.7 2.800 0.5550 -153.8 1.073 55.9 0.2065 4.1 0.7594 -56.9 3.000 0.5425 -166.2 1.030 48.8 0.2051 -0.5 0.7432 -60.1 3.500 0.5357 164.3 0.928 31.9 0.1997 -10.1 0.7280 -68.0 4.000 0.5662 140.4 0.825 17.2 0.1813 -17.7 0.7075 -77.4 4.500 0.6042 121.6 0.732 4.4 0.1617 -23.3 0.7039 -87.6 5.000 0.6423 107.6 0.645 -6.1 0.1405 -25.3 0.7019 -98.1 5.500 0.6760 96.8 0.568 -15.7 0.1259 -22.1 0.7092 -108.9 6.000 0.7133 87.9 0.507 -23.4 0.1194 -17.3 0.7197 -120.0 ! ! SIEMENS AG Semiconductor Group, Munich