! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1.75 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 0.9866 -0.6 1.497 178.6 0.0017 94.7 0.9999 -0.2 0.020 0.9914 -1.3 1.494 179.0 0.0038 84.1 0.9999 -0.7 0.050 0.9869 -3.0 1.486 176.9 0.0088 86.8 0.9985 -1.5 0.100 0.9783 -5.4 1.480 175.0 0.0177 85.8 0.9977 -2.9 0.150 0.9801 -7.9 1.472 171.2 0.0265 83.0 0.9982 -4.5 0.200 0.9791 -10.6 1.477 169.1 0.0352 82.1 0.9949 -5.9 0.250 0.9771 -13.2 1.479 166.3 0.0438 79.4 0.9920 -7.4 0.300 0.9689 -16.1 1.466 163.3 0.0526 77.9 0.9928 -8.8 0.400 0.9610 -21.1 1.458 158.8 0.0691 73.9 0.9853 -11.7 0.500 0.9477 -26.3 1.436 152.5 0.0854 70.1 0.9781 -14.5 0.600 0.9371 -31.8 1.423 147.8 0.1008 66.3 0.9702 -17.4 0.700 0.9290 -36.7 1.409 142.9 0.1152 62.5 0.9606 -20.1 0.800 0.9077 -41.6 1.381 137.6 0.1290 58.8 0.9488 -22.8 0.900 0.8937 -46.8 1.362 132.5 0.1416 55.3 0.9360 -25.3 1.000 0.8772 -51.9 1.349 128.3 0.1535 51.9 0.9253 -27.8 1.100 0.8623 -56.8 1.332 123.9 0.1647 48.7 0.9131 -30.4 1.200 0.8411 -61.4 1.301 119.3 0.1752 45.4 0.9010 -33.0 1.300 0.8257 -66.3 1.283 115.3 0.1841 42.4 0.8892 -35.1 1.400 0.8079 -70.7 1.250 110.9 0.1919 39.4 0.8766 -37.5 1.500 0.7920 -75.7 1.245 107.0 0.1992 36.6 0.8639 -39.4 1.600 0.7607 -80.1 1.211 102.4 0.2065 34.1 0.8508 -41.4 1.700 0.7518 -85.5 1.206 98.7 0.2113 31.4 0.8342 -43.5 1.800 0.7259 -89.8 1.193 94.2 0.2170 29.1 0.8252 -45.1 1.900 0.7155 -95.0 1.177 90.7 0.2218 26.4 0.8148 -47.3 2.000 0.6954 -99.4 1.151 86.2 0.2267 24.4 0.8032 -49.0 2.200 0.6657 -108.6 1.104 79.3 0.2333 19.7 0.7837 -52.5 2.400 0.6388 -117.4 1.071 72.1 0.2375 15.5 0.7618 -56.3 2.600 0.6115 -127.2 1.034 65.7 0.2387 11.9 0.7434 -59.1 2.800 0.5898 -135.7 0.999 59.4 0.2416 8.0 0.7289 -62.6 3.000 0.5759 -144.9 0.966 53.1 0.2415 4.5 0.7208 -65.6 3.500 0.5520 -167.2 0.885 38.7 0.2423 -3.2 0.7053 -74.0 4.000 0.5547 173.6 0.806 25.7 0.2284 -10.4 0.6858 -83.5 4.500 0.5742 157.1 0.736 14.3 0.2135 -16.4 0.6857 -93.0 5.000 0.5946 143.2 0.669 4.1 0.1930 -20.4 0.6995 -103.3 5.500 0.6199 132.6 0.591 -4.4 0.1731 -21.8 0.7005 -112.9 6.000 0.6323 124.2 0.531 -11.0 0.1568 -19.8 0.7150 -121.4 ! ! SIEMENS AG Semiconductor Group, Munich