! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.5 V IC = 1.2 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 0.9553 -1.0 4.081 179.5 0.0018 93.2 0.9968 -0.4 0.020 0.9571 -2.1 4.118 178.9 0.0041 88.6 0.9903 -1.0 0.050 0.9573 -4.8 4.081 175.9 0.0113 88.3 0.9931 -2.6 0.100 0.9488 -9.9 4.039 171.9 0.0215 84.0 0.9919 -5.1 0.150 0.9428 -14.8 4.036 167.6 0.0321 79.7 0.9860 -7.8 0.200 0.9281 -19.6 4.021 163.5 0.0425 77.1 0.9799 -10.3 0.250 0.9284 -24.6 3.977 159.3 0.0527 74.0 0.9710 -12.8 0.300 0.9101 -29.5 3.954 155.8 0.0629 70.8 0.9616 -15.1 0.400 0.8797 -38.7 3.821 147.5 0.0809 64.9 0.9372 -19.9 0.500 0.8410 -48.0 3.656 139.9 0.0970 58.9 0.9078 -24.2 0.600 0.8075 -56.9 3.548 133.0 0.1120 53.7 0.8799 -28.1 0.700 0.7723 -65.3 3.366 126.4 0.1240 48.7 0.8478 -31.7 0.800 0.7317 -73.7 3.247 120.0 0.1344 44.4 0.8174 -34.8 0.900 0.6993 -81.4 3.073 114.3 0.1433 40.2 0.7848 -37.9 1.000 0.6653 -89.6 2.912 108.8 0.1504 36.5 0.7556 -40.7 1.100 0.6328 -97.3 2.798 103.2 0.1572 33.0 0.7286 -43.1 1.200 0.6025 -104.6 2.657 98.6 0.1629 29.3 0.7067 -45.7 1.300 0.5817 -112.4 2.540 93.8 0.1671 26.6 0.6840 -47.6 1.400 0.5475 -119.4 2.429 89.2 0.1708 23.9 0.6625 -49.7 1.500 0.5370 -127.4 2.337 84.6 0.1722 21.6 0.6392 -51.2 1.600 0.5144 -134.1 2.231 80.5 0.1752 19.5 0.6248 -52.7 1.700 0.5029 -141.4 2.139 76.5 0.1756 17.3 0.6028 -54.6 1.800 0.4889 -148.3 2.054 72.4 0.1773 15.8 0.5877 -55.9 1.900 0.4813 -155.4 1.974 68.7 0.1780 13.3 0.5721 -57.7 2.000 0.4692 -161.7 1.893 65.0 0.1795 12.2 0.5609 -58.9 2.200 0.4644 -175.1 1.758 57.8 0.1803 8.8 0.5382 -62.2 2.400 0.4658 173.2 1.640 51.4 0.1807 5.7 0.5174 -65.4 2.600 0.4752 162.1 1.533 45.2 0.1787 3.7 0.4978 -68.1 2.800 0.4863 151.8 1.433 38.7 0.1787 1.6 0.4861 -71.2 3.000 0.5003 142.4 1.355 32.8 0.1772 -0.8 0.4711 -74.6 3.500 0.5423 123.2 1.166 19.5 0.1771 -3.9 0.4566 -83.2 4.000 0.5891 109.0 1.016 7.4 0.1727 -7.1 0.4437 -93.8 4.500 0.6268 97.7 0.888 -3.3 0.1682 -9.5 0.4421 -105.3 5.000 0.6623 88.9 0.786 -12.3 0.1637 -9.9 0.4452 -116.8 5.500 0.6880 81.8 0.703 -21.1 0.1665 -9.2 0.4613 -128.2 6.000 0.7195 75.3 0.627 -28.6 0.1713 -9.3 0.4790 -139.7 ! ! SIEMENS AG Semiconductor Group, Munich