! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 3 V IC = 8 mA ! Common Emitter S-Parameters: October 1994 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7698 -2.5 18.216 177.9 0.0013 87.5 0.9842 -0.8 0.020 0.7739 -4.9 18.077 176.0 0.0025 84.2 0.9838 -1.7 0.030 0.7648 -7.2 18.100 174.3 0.0039 86.7 0.9817 -2.7 0.050 0.7607 -12.2 18.075 170.5 0.0063 85.9 0.9771 -4.5 0.100 0.7354 -23.6 17.429 160.9 0.0114 79.4 0.9529 -8.5 0.150 0.6936 -34.5 16.508 151.8 0.0171 74.1 0.9186 -11.9 0.200 0.6464 -44.3 15.384 144.1 0.0215 70.5 0.8795 -14.5 0.250 0.5999 -52.9 14.253 137.4 0.0254 68.6 0.8414 -16.5 0.300 0.5482 -61.4 13.126 131.2 0.0286 65.9 0.8058 -17.9 0.400 0.4732 -75.0 11.229 121.8 0.0342 63.6 0.7459 -19.5 0.500 0.4135 -87.0 9.662 114.3 0.0390 62.2 0.7026 -20.1 0.600 0.3674 -96.6 8.399 108.4 0.0436 62.4 0.6696 -20.3 0.700 0.3288 -106.6 7.383 103.5 0.0477 62.7 0.6457 -20.4 0.800 0.3026 -114.8 6.653 99.2 0.0520 63.5 0.6279 -20.5 0.900 0.2790 -122.3 5.993 95.7 0.0560 64.1 0.6132 -20.6 1.000 0.2667 -130.1 5.466 92.5 0.0604 64.9 0.6019 -20.8 1.100 0.2557 -136.9 5.008 89.2 0.0650 65.1 0.5930 -21.1 1.200 0.2470 -144.1 4.633 86.4 0.0694 65.4 0.5843 -21.5 1.300 0.2419 -150.1 4.318 84.1 0.0734 66.0 0.5776 -22.0 1.400 0.2394 -155.7 4.026 81.4 0.0784 66.7 0.5717 -22.5 1.500 0.2380 -160.8 3.794 79.0 0.0828 66.9 0.5657 -23.1 1.600 0.2381 -165.8 3.570 76.7 0.0873 67.0 0.5610 -23.7 1.700 0.2386 -169.6 3.389 74.7 0.0919 67.2 0.5565 -24.4 1.800 0.2412 -174.7 3.210 72.4 0.0968 67.2 0.5524 -25.1 1.900 0.2441 -178.9 3.051 70.3 0.1017 67.1 0.5478 -26.0 2.000 0.2465 177.8 2.924 68.5 0.1067 67.0 0.5451 -26.9 2.200 0.2524 170.7 2.683 64.3 0.1162 66.8 0.5374 -28.6 2.400 0.2567 164.9 2.492 60.7 0.1265 66.4 0.5313 -30.7 2.600 0.2665 159.2 2.322 56.9 0.1370 65.8 0.5247 -32.8 2.800 0.2746 154.5 2.171 53.2 0.1467 64.9 0.5186 -35.1 3.000 0.2842 149.9 2.050 49.7 0.1573 64.1 0.5122 -37.4 3.200 0.2985 145.2 1.943 46.3 0.1683 63.5 0.5068 -40.0 3.400 0.3065 141.9 1.849 42.9 0.1791 62.6 0.5005 -42.7 3.600 0.3210 138.4 1.766 39.6 0.1909 61.5 0.4944 -45.5 3.800 0.3300 134.9 1.681 36.4 0.2007 60.3 0.4854 -48.4 4.000 0.3402 132.6 1.615 33.2 0.2128 59.2 0.4805 -51.4 4.500 0.3680 127.1 1.473 25.2 0.2419 56.0 0.4659 -59.1 5.000 0.3807 121.1 1.340 17.6 0.2724 52.4 0.4641 -66.1 5.500 0.3808 117.0 1.263 9.1 0.3105 46.8 0.4707 -75.3 6.000 0.3766 111.2 1.189 0.6 0.3465 40.4 0.4799 -83.7 ! ! SIEMENS AG Semiconductor Group, Munich