! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2.5 V IC = 0.6 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 0.9786 -0.6 2.172 178.6 0.0015 93.2 0.9975 -0.3 0.020 0.9816 -1.3 2.182 179.0 0.0030 87.9 0.9999 -0.8 0.050 0.9790 -3.2 2.154 176.6 0.0081 88.4 0.9980 -1.6 0.100 0.9725 -6.2 2.134 174.6 0.0170 86.4 0.9969 -3.1 0.150 0.9737 -9.1 2.145 170.9 0.0253 82.5 0.9972 -4.9 0.200 0.9721 -12.0 2.138 168.5 0.0334 81.2 0.9933 -6.4 0.250 0.9667 -15.1 2.143 165.7 0.0415 78.3 0.9900 -8.0 0.300 0.9618 -18.1 2.138 162.8 0.0499 77.1 0.9892 -9.6 0.400 0.9468 -24.2 2.106 157.9 0.0654 72.9 0.9787 -12.8 0.500 0.9305 -29.7 2.056 151.5 0.0801 68.5 0.9700 -15.8 0.600 0.9195 -35.7 2.042 146.6 0.0946 64.6 0.9584 -18.8 0.700 0.9002 -41.3 2.009 141.4 0.1077 60.6 0.9455 -21.7 0.800 0.8792 -46.9 1.966 136.3 0.1202 56.8 0.9297 -24.4 0.900 0.8640 -52.3 1.909 131.2 0.1313 53.2 0.9148 -27.0 1.000 0.8424 -57.6 1.872 126.8 0.1407 49.8 0.9008 -29.5 1.100 0.8206 -63.0 1.840 122.4 0.1506 46.6 0.8861 -32.0 1.200 0.8002 -68.4 1.788 117.9 0.1596 43.3 0.8719 -34.7 1.300 0.7838 -73.4 1.752 113.9 0.1667 40.5 0.8569 -36.7 1.400 0.7542 -78.5 1.699 109.6 0.1730 37.4 0.8419 -39.0 1.500 0.7399 -83.5 1.677 105.7 0.1777 34.7 0.8266 -41.1 1.600 0.7097 -88.6 1.624 101.3 0.1835 32.4 0.8120 -42.9 1.700 0.6999 -93.8 1.598 97.6 0.1871 29.8 0.7948 -44.9 1.800 0.6744 -98.6 1.560 93.7 0.1920 27.9 0.7854 -46.4 1.900 0.6624 -103.3 1.532 90.1 0.1949 25.5 0.7745 -48.5 2.000 0.6417 -108.3 1.489 86.0 0.1988 23.5 0.7619 -50.1 2.200 0.6162 -117.9 1.417 79.2 0.2024 19.3 0.7409 -53.4 2.400 0.5890 -127.0 1.358 72.5 0.2059 15.8 0.7207 -56.9 2.600 0.5646 -136.9 1.298 66.4 0.2051 12.6 0.7004 -59.7 2.800 0.5445 -145.6 1.241 60.5 0.2071 9.3 0.6870 -62.9 3.000 0.5385 -155.1 1.192 54.5 0.2054 6.6 0.6775 -65.8 3.500 0.5239 -176.8 1.070 40.8 0.2051 0.7 0.6612 -73.9 4.000 0.5355 164.8 0.967 28.6 0.1945 -4.4 0.6430 -83.1 4.500 0.5583 149.8 0.873 17.9 0.1846 -8.5 0.6439 -92.4 5.000 0.5814 137.0 0.790 7.7 0.1709 -10.1 0.6562 -102.5 5.500 0.6036 127.1 0.701 -0.5 0.1593 -9.4 0.6564 -112.0 6.000 0.6206 119.5 0.629 -7.5 0.1524 -6.8 0.6723 -120.4 ! ! SIEMENS AG Semiconductor Group, Munich