! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2.5 V IC = 2.5 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 0.9212 -1.3 7.837 178.0 0.0014 85.5 0.9949 -0.7 0.020 0.9193 -2.8 7.761 178.0 0.0032 92.0 0.9974 -1.3 0.050 0.9175 -6.4 7.720 174.3 0.0082 86.8 0.9930 -3.0 0.100 0.9074 -12.8 7.631 170.4 0.0164 83.0 0.9864 -6.0 0.150 0.8990 -18.5 7.529 164.7 0.0242 78.0 0.9796 -9.1 0.200 0.8853 -24.8 7.447 160.6 0.0315 74.9 0.9670 -11.8 0.250 0.8740 -30.6 7.326 156.0 0.0386 71.5 0.9503 -14.6 0.300 0.8493 -36.4 7.124 151.5 0.0457 68.8 0.9364 -17.1 0.400 0.8154 -47.5 6.793 143.9 0.0574 62.4 0.8963 -21.9 0.500 0.7669 -57.7 6.340 135.7 0.0674 57.0 0.8570 -26.0 0.600 0.7336 -67.6 5.973 129.1 0.0761 52.5 0.8185 -29.5 0.700 0.6993 -76.5 5.607 123.0 0.0830 48.5 0.7812 -32.6 0.800 0.6587 -84.8 5.212 117.1 0.0886 45.0 0.7454 -35.1 0.900 0.6255 -92.6 4.882 111.8 0.0937 42.1 0.7137 -37.3 1.000 0.6006 -100.3 4.589 107.2 0.0966 39.7 0.6874 -39.2 1.100 0.5747 -107.8 4.336 102.9 0.1002 37.7 0.6629 -41.2 1.200 0.5502 -114.2 4.078 98.8 0.1035 35.6 0.6417 -43.0 1.300 0.5377 -120.3 3.842 95.2 0.1061 34.2 0.6243 -44.3 1.400 0.5151 -126.5 3.614 91.6 0.1076 32.8 0.6087 -45.8 1.500 0.5078 -131.6 3.456 88.4 0.1092 31.7 0.5930 -47.1 1.600 0.4915 -138.2 3.263 84.7 0.1115 30.6 0.5787 -48.3 1.700 0.4820 -143.7 3.125 81.6 0.1123 30.0 0.5643 -49.5 1.800 0.4720 -149.3 2.989 78.7 0.1143 29.3 0.5569 -50.5 1.900 0.4711 -154.2 2.866 75.7 0.1152 28.7 0.5484 -52.1 2.000 0.4646 -158.3 2.735 72.8 0.1170 28.2 0.5387 -53.3 2.200 0.4596 -167.8 2.515 67.4 0.1195 27.3 0.5270 -55.5 2.400 0.4547 -176.2 2.344 62.2 0.1219 26.7 0.5120 -58.4 2.600 0.4539 174.9 2.180 57.5 0.1238 26.1 0.5033 -60.6 2.800 0.4580 167.9 2.044 52.9 0.1261 25.9 0.4914 -63.6 3.000 0.4663 160.8 1.922 48.4 0.1289 25.8 0.4890 -66.1 3.500 0.4928 145.7 1.661 37.9 0.1382 25.3 0.4782 -74.3 4.000 0.5254 133.8 1.464 28.1 0.1450 24.5 0.4671 -83.7 4.500 0.5566 124.4 1.303 19.3 0.1535 23.6 0.4680 -93.0 5.000 0.5840 115.7 1.171 10.6 0.1626 23.0 0.4809 -103.4 5.500 0.6038 109.6 1.043 3.3 0.1718 21.9 0.4869 -113.0 6.000 0.6147 103.8 0.949 -3.7 0.1827 21.0 0.5084 -121.0 ! ! SIEMENS AG Semiconductor Group, Munich