! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 12 V IC = 2 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 0.9591 -1.0 6.431 177.6 0.0014 73.3 0.9934 -0.5 0.020 0.9577 -2.2 6.408 177.9 0.0034 77.6 0.9999 -1.1 0.050 0.9581 -4.9 6.292 175.1 0.0076 84.2 0.9903 -2.5 0.100 0.9481 -9.7 6.266 172.2 0.0156 83.3 0.9882 -5.0 0.150 0.9443 -14.4 6.214 167.4 0.0231 79.2 0.9847 -7.5 0.200 0.9376 -18.6 6.171 164.2 0.0302 77.3 0.9766 -9.9 0.250 0.9265 -23.7 6.166 160.2 0.0371 74.3 0.9653 -12.3 0.300 0.9084 -28.5 6.055 156.3 0.0440 72.3 0.9565 -14.6 0.400 0.8835 -37.1 5.836 149.9 0.0565 66.6 0.9293 -19.0 0.500 0.8431 -45.8 5.562 142.2 0.0678 61.8 0.9011 -22.9 0.600 0.8087 -53.9 5.371 136.1 0.0775 57.1 0.8703 -26.5 0.700 0.7768 -61.4 5.121 130.3 0.0856 53.3 0.8386 -29.8 0.800 0.7336 -68.6 4.837 124.6 0.0930 49.5 0.8058 -32.6 0.900 0.7021 -75.1 4.572 119.4 0.0995 46.4 0.7782 -35.1 1.000 0.6714 -82.2 4.370 114.8 0.1044 43.4 0.7534 -37.5 1.100 0.6404 -89.1 4.182 110.3 0.1090 41.0 0.7285 -39.8 1.200 0.6122 -95.4 3.972 106.0 0.1133 38.6 0.7060 -42.0 1.300 0.5898 -101.1 3.776 102.3 0.1167 36.7 0.6852 -43.6 1.400 0.5633 -106.6 3.581 98.4 0.1189 34.6 0.6668 -45.5 1.500 0.5465 -112.1 3.444 95.2 0.1213 33.2 0.6485 -47.0 1.600 0.5253 -117.9 3.269 91.2 0.1236 31.8 0.6322 -48.3 1.700 0.5072 -123.4 3.142 88.1 0.1254 30.6 0.6154 -49.8 1.800 0.4925 -129.0 3.020 85.0 0.1277 29.4 0.6062 -50.9 1.900 0.4827 -134.3 2.915 81.9 0.1292 28.4 0.5953 -52.6 2.000 0.4696 -139.4 2.792 78.6 0.1312 27.6 0.5819 -53.8 2.200 0.4539 -148.9 2.579 73.2 0.1336 25.8 0.5651 -56.3 2.400 0.4402 -158.4 2.423 67.7 0.1360 24.5 0.5466 -59.2 2.600 0.4314 -168.2 2.260 62.7 0.1372 23.3 0.5329 -61.4 2.800 0.4264 -176.5 2.127 57.9 0.1392 22.4 0.5188 -64.2 3.000 0.4316 175.5 2.005 53.1 0.1412 22.1 0.5128 -66.5 3.500 0.4484 157.3 1.742 42.2 0.1485 20.3 0.4975 -74.3 4.000 0.4784 142.9 1.545 32.0 0.1526 19.0 0.4819 -83.0 4.500 0.5086 131.7 1.381 22.7 0.1585 17.6 0.4807 -91.9 5.000 0.5376 122.4 1.246 13.9 0.1636 16.8 0.4916 -101.8 5.500 0.5632 114.9 1.113 6.1 0.1695 16.3 0.4940 -110.9 6.000 0.5729 108.8 1.013 -1.2 0.1777 15.8 0.5144 -118.6 ! ! SIEMENS AG Semiconductor Group, Munich