! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 12 V IC = 0.4 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9943 -0.5 1.493 178.6 0.0012 94.6 0.9984 -0.3 0.020 0.9939 -1.0 1.481 179.0 0.0031 87.1 0.9999 -0.6 0.050 0.9910 -2.7 1.472 176.8 0.0080 85.1 0.9977 -1.3 0.100 0.9839 -5.1 1.469 175.2 0.0158 86.2 0.9995 -2.7 0.150 0.9910 -7.0 1.459 171.7 0.0238 83.1 0.9984 -4.1 0.200 0.9847 -9.7 1.468 169.9 0.0313 82.6 0.9944 -5.5 0.250 0.9862 -12.0 1.473 167.4 0.0390 80.3 0.9933 -6.8 0.300 0.9788 -14.6 1.460 164.6 0.0467 79.1 0.9928 -8.2 0.400 0.9718 -19.5 1.447 160.4 0.0615 75.3 0.9875 -10.9 0.500 0.9635 -24.1 1.435 154.6 0.0756 71.7 0.9810 -13.5 0.600 0.9512 -28.7 1.425 150.2 0.0899 67.9 0.9742 -16.2 0.700 0.9410 -33.6 1.408 145.5 0.1030 64.6 0.9656 -18.7 0.800 0.9240 -38.1 1.387 140.7 0.1161 61.1 0.9561 -21.3 0.900 0.9148 -42.6 1.367 136.0 0.1278 58.0 0.9464 -23.6 1.000 0.8969 -47.3 1.358 132.1 0.1385 54.7 0.9361 -26.0 1.100 0.8803 -52.0 1.352 127.6 0.1492 51.6 0.9261 -28.5 1.200 0.8643 -56.4 1.321 123.5 0.1596 48.6 0.9166 -31.0 1.300 0.8491 -60.7 1.302 119.6 0.1683 45.5 0.9053 -33.1 1.400 0.8282 -65.1 1.274 115.4 0.1758 42.8 0.8937 -35.3 1.500 0.8146 -69.4 1.270 111.7 0.1831 40.1 0.8818 -37.3 1.600 0.7866 -73.9 1.243 107.2 0.1903 37.8 0.8698 -39.3 1.700 0.7730 -78.8 1.240 103.6 0.1958 35.0 0.8551 -41.3 1.800 0.7473 -83.0 1.225 99.4 0.2018 32.8 0.8467 -42.9 1.900 0.7398 -87.6 1.215 95.9 0.2069 30.3 0.8369 -45.1 2.000 0.7132 -91.8 1.190 91.6 0.2119 28.2 0.8264 -46.8 2.200 0.6843 -100.4 1.143 84.6 0.2199 23.6 0.8084 -50.2 2.400 0.6566 -109.1 1.117 77.7 0.2249 19.5 0.7851 -54.0 2.600 0.6230 -118.2 1.077 71.2 0.2277 15.8 0.7672 -56.8 2.800 0.5973 -126.9 1.047 64.9 0.2310 11.9 0.7515 -60.3 3.000 0.5805 -136.0 1.012 58.7 0.2318 8.6 0.7432 -63.2 3.500 0.5457 -158.2 0.934 44.2 0.2352 0.5 0.7265 -71.5 4.000 0.5385 -178.8 0.855 31.0 0.2236 -6.6 0.7033 -80.7 4.500 0.5516 163.7 0.785 19.5 0.2106 -12.8 0.7002 -89.9 5.000 0.5701 149.0 0.715 9.1 0.1928 -17.1 0.7120 -99.9 5.500 0.5928 137.3 0.634 0.0 0.1739 -18.8 0.7111 -109.3 6.000 0.6094 128.2 0.572 -7.2 0.1584 -17.4 0.7245 -117.7 ! ! SIEMENS AG Semiconductor Group, Munich