! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2.5 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 0.9821 -0.6 1.467 179.8 0.0013 87.7 0.9999 -0.2 0.020 0.9858 -1.2 1.481 179.6 0.0028 84.1 0.9919 -0.5 0.050 0.9864 -2.4 1.472 177.5 0.0075 91.7 0.9976 -1.3 0.100 0.9760 -5.2 1.451 174.9 0.0144 87.4 0.9978 -2.6 0.150 0.9810 -7.9 1.464 172.3 0.0218 84.5 0.9972 -3.9 0.200 0.9762 -10.5 1.466 169.6 0.0293 82.5 0.9966 -5.2 0.250 0.9788 -13.3 1.463 167.0 0.0360 80.5 0.9938 -6.5 0.300 0.9729 -15.8 1.471 164.9 0.0435 79.0 0.9939 -7.7 0.400 0.9646 -20.8 1.456 158.9 0.0576 74.8 0.9894 -10.3 0.500 0.9512 -26.2 1.441 153.6 0.0708 70.7 0.9844 -12.8 0.600 0.9402 -31.4 1.444 148.9 0.0842 67.0 0.9771 -15.3 0.700 0.9321 -36.7 1.417 143.9 0.0967 63.4 0.9698 -17.8 0.800 0.9103 -41.9 1.418 139.1 0.1085 59.7 0.9610 -20.2 0.900 0.8941 -47.1 1.388 134.0 0.1201 55.9 0.9508 -22.5 1.000 0.8764 -52.4 1.367 129.5 0.1302 52.5 0.9406 -24.8 1.100 0.8584 -57.9 1.369 124.5 0.1411 49.0 0.9318 -27.1 1.200 0.8359 -63.0 1.346 120.3 0.1499 45.4 0.9210 -29.5 1.300 0.8188 -68.7 1.332 115.6 0.1585 42.0 0.9091 -31.6 1.400 0.7932 -73.9 1.318 111.2 0.1658 38.9 0.8954 -33.8 1.500 0.7746 -80.1 1.317 106.6 0.1725 36.0 0.8826 -35.6 1.600 0.7535 -84.8 1.289 102.1 0.1797 33.3 0.8731 -37.5 1.700 0.7336 -90.7 1.269 97.8 0.1849 30.1 0.8584 -39.5 1.800 0.7065 -96.7 1.255 93.0 0.1903 27.5 0.8473 -41.1 1.900 0.6903 -103.0 1.246 89.0 0.1949 24.3 0.8351 -43.1 2.000 0.6658 -108.6 1.224 84.5 0.1995 21.8 0.8254 -44.7 2.200 0.6292 -120.5 1.169 76.0 0.2049 16.5 0.8028 -48.3 2.400 0.5970 -133.0 1.142 68.5 0.2090 11.1 0.7824 -51.8 2.600 0.5754 -146.1 1.092 61.2 0.2091 7.0 0.7580 -54.8 2.800 0.5579 -158.7 1.053 53.2 0.2117 2.1 0.7486 -58.0 3.000 0.5440 -171.1 1.014 45.9 0.2084 -2.5 0.7306 -61.3 3.500 0.5444 160.0 0.908 29.4 0.2026 -11.9 0.7170 -69.4 4.000 0.5775 137.0 0.807 14.6 0.1831 -19.4 0.6979 -78.8 4.500 0.6173 119.5 0.711 2.0 0.1633 -25.0 0.6968 -89.2 5.000 0.6549 105.7 0.623 -8.4 0.1409 -26.8 0.6959 -100.0 5.500 0.6877 95.0 0.554 -17.4 0.1264 -23.1 0.7025 -111.0 6.000 0.7228 86.4 0.488 -25.5 0.1194 -18.4 0.7151 -122.3 ! ! SIEMENS AG Semiconductor Group, Munich