! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1.5 V IC = 8 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 0.7633 -3.1 18.145 178.0 0.0014 79.3 0.9744 -1.0 0.020 0.7650 -6.6 18.219 176.2 0.0029 80.5 0.9776 -2.2 0.050 0.7580 -14.9 18.078 169.5 0.0075 87.1 0.9655 -5.7 0.100 0.7309 -29.7 17.204 159.7 0.0139 74.4 0.9412 -11.0 0.150 0.6943 -43.5 16.335 150.2 0.0202 67.9 0.8988 -15.6 0.200 0.6583 -56.4 15.288 142.0 0.0252 64.2 0.8549 -19.3 0.250 0.6258 -67.4 14.056 134.7 0.0293 59.7 0.8098 -22.3 0.300 0.5897 -78.2 13.018 128.8 0.0326 55.8 0.7687 -24.4 0.400 0.5321 -96.3 11.065 117.9 0.0378 51.1 0.6976 -27.2 0.500 0.4893 -111.6 9.446 109.8 0.0416 48.0 0.6457 -28.9 0.600 0.4587 -124.1 8.267 103.3 0.0453 46.6 0.6083 -29.9 0.700 0.4372 -136.0 7.225 97.6 0.0477 45.7 0.5800 -30.5 0.800 0.4190 -145.5 6.487 92.6 0.0500 44.9 0.5590 -31.0 0.900 0.4161 -153.9 5.848 88.5 0.0534 44.9 0.5428 -31.6 1.000 0.4089 -162.5 5.305 84.5 0.0557 45.2 0.5304 -32.3 1.100 0.4069 -170.0 4.882 80.7 0.0591 45.3 0.5204 -33.1 1.200 0.4080 -176.7 4.488 77.5 0.0613 44.5 0.5131 -34.0 1.300 0.4090 177.8 4.150 74.2 0.0645 45.0 0.5062 -34.9 1.400 0.4054 172.0 3.879 71.2 0.0671 45.2 0.5007 -35.9 1.500 0.4149 167.0 3.631 67.9 0.0701 45.2 0.4954 -36.9 1.600 0.4134 161.7 3.411 65.1 0.0729 45.0 0.4921 -38.0 1.700 0.4191 156.9 3.207 62.2 0.0760 45.1 0.4876 -39.3 1.800 0.4297 152.6 3.042 59.5 0.0788 45.0 0.4836 -40.6 1.900 0.4336 149.3 2.886 57.0 0.0821 44.4 0.4795 -41.9 2.000 0.4378 144.6 2.731 54.4 0.0846 44.0 0.4761 -43.3 2.200 0.4571 137.4 2.485 49.2 0.0908 43.6 0.4693 -46.3 2.400 0.4725 130.6 2.285 44.4 0.0968 42.7 0.4629 -49.4 2.600 0.4932 124.4 2.100 39.8 0.1027 41.7 0.4550 -52.7 2.800 0.5119 119.1 1.947 34.9 0.1083 40.4 0.4492 -56.2 3.000 0.5293 113.8 1.816 30.5 0.1140 39.6 0.4414 -59.7 3.500 0.5764 102.6 1.542 19.8 0.1282 36.5 0.4279 -69.6 4.000 0.6193 93.6 1.335 10.0 0.1420 32.8 0.4152 -80.6 4.500 0.6530 85.7 1.169 0.8 0.1548 29.0 0.4071 -92.4 5.000 0.6826 79.4 1.031 -7.6 0.1674 25.8 0.4045 -104.3 5.500 0.7066 73.8 0.920 -15.7 0.1820 22.2 0.4142 -116.3 6.000 0.7353 68.9 0.828 -23.4 0.1953 18.2 0.4298 -128.2 ! ! SIEMENS AG Semiconductor Group, Munich