! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 8 V IC = 0.6 mA ! Common Emitter S-Parameters: May 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9772 -0.6 2.159 179.7 0.0015 96.2 0.9998 -0.3 0.020 0.9769 -1.2 2.124 178.5 0.0031 80.5 0.9988 -0.7 0.050 0.9796 -3.2 2.127 176.9 0.0083 87.8 0.9973 -1.5 0.100 0.9762 -6.1 2.155 174.1 0.0168 87.3 0.9972 -2.9 0.150 0.9729 -9.1 2.123 170.1 0.0254 82.9 0.9948 -4.5 0.200 0.9654 -12.2 2.133 167.1 0.0336 81.3 0.9922 -5.9 0.250 0.9644 -15.3 2.164 163.9 0.0418 79.0 0.9896 -7.4 0.300 0.9544 -18.5 2.133 160.5 0.0499 77.3 0.9829 -8.9 0.400 0.9350 -24.4 2.082 155.2 0.0650 73.2 0.9754 -11.7 0.500 0.9063 -30.5 2.063 147.9 0.0791 69.3 0.9618 -14.3 0.600 0.8817 -36.7 2.044 142.2 0.0925 65.4 0.9462 -17.0 0.700 0.8575 -42.2 1.992 136.6 0.1044 61.9 0.9288 -19.5 0.800 0.8217 -47.9 1.930 131.0 0.1149 58.4 0.9126 -21.9 0.900 0.7884 -53.1 1.877 125.4 0.1247 55.4 0.8967 -24.0 1.000 0.7580 -59.0 1.861 120.4 0.1325 52.7 0.8787 -26.1 1.100 0.7193 -64.6 1.829 115.5 0.1397 50.0 0.8616 -28.0 1.200 0.6869 -69.8 1.779 110.6 0.1454 47.4 0.8441 -30.1 1.300 0.6530 -75.7 1.735 106.2 0.1505 45.4 0.8268 -31.8 1.400 0.6171 -80.6 1.683 101.6 0.1534 43.5 0.8107 -33.6 1.500 0.5880 -86.0 1.654 97.6 0.1570 41.9 0.7945 -35.1 1.600 0.5505 -91.9 1.591 93.0 0.1598 40.6 0.7805 -36.5 1.700 0.5197 -97.9 1.564 89.1 0.1617 39.6 0.7662 -37.8 1.800 0.4830 -103.9 1.540 84.9 0.1648 38.8 0.7557 -39.1 1.900 0.4588 -110.1 1.516 81.0 0.1653 38.0 0.7437 -40.7 2.000 0.4318 -116.2 1.474 76.9 0.1672 37.5 0.7338 -41.9 2.200 0.3900 -128.7 1.393 70.3 0.1677 37.4 0.7116 -44.8 2.400 0.3474 -143.2 1.350 63.3 0.1692 38.2 0.6917 -47.6 2.600 0.3229 -158.5 1.284 57.3 0.1735 39.7 0.6752 -50.3 2.800 0.3075 -174.1 1.245 51.5 0.1771 41.1 0.6645 -53.7 3.000 0.3107 171.6 1.188 45.7 0.1832 43.6 0.6476 -56.9 3.500 0.3465 139.7 1.074 33.6 0.2106 48.4 0.6265 -67.6 4.000 0.4018 118.5 0.989 23.1 0.2597 51.2 0.5980 -81.2 4.500 0.4604 103.7 0.917 14.4 0.3225 49.6 0.5756 -97.6 5.000 0.5053 92.6 0.850 6.8 0.3925 44.7 0.5549 -115.9 5.500 0.5450 83.9 0.787 0.7 0.4613 37.5 0.5324 -135.6 6.000 0.5748 75.8 0.744 -4.4 0.5226 29.1 0.5207 -155.8 ! ! SIEMENS AG Semiconductor Group, Munich