! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.5 V IC = 0.8 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 0.9720 -1.0 2.835 178.3 0.0024 89.6 0.9982 -0.4 0.020 0.9663 -1.7 2.822 178.7 0.0046 87.0 0.9999 -1.0 0.050 0.9712 -4.2 2.817 175.6 0.0125 87.2 0.9950 -2.3 0.100 0.9615 -8.5 2.782 172.9 0.0252 84.9 0.9964 -4.8 0.150 0.9639 -12.1 2.786 168.4 0.0369 80.7 0.9908 -7.2 0.200 0.9561 -16.3 2.777 165.4 0.0488 78.5 0.9856 -9.4 0.250 0.9483 -20.2 2.760 161.8 0.0603 75.2 0.9784 -11.7 0.300 0.9352 -24.4 2.735 158.0 0.0717 73.0 0.9736 -14.0 0.400 0.9177 -32.1 2.679 151.8 0.0930 67.4 0.9547 -18.4 0.500 0.8892 -39.8 2.578 144.3 0.1127 62.3 0.9327 -22.5 0.600 0.8698 -47.2 2.516 138.3 0.1311 57.3 0.9108 -26.4 0.700 0.8423 -54.0 2.441 132.4 0.1466 52.7 0.8862 -30.1 0.800 0.8102 -61.0 2.348 126.4 0.1610 48.3 0.8589 -33.5 0.900 0.7833 -67.4 2.258 120.7 0.1729 44.3 0.8321 -36.7 1.000 0.7567 -73.7 2.175 115.7 0.1829 40.5 0.8080 -39.6 1.100 0.7280 -80.5 2.109 110.7 0.1929 37.1 0.7855 -42.6 1.200 0.7058 -86.2 2.024 106.0 0.2020 33.4 0.7645 -45.6 1.300 0.6877 -92.0 1.947 101.8 0.2082 30.6 0.7430 -47.7 1.400 0.6611 -97.4 1.864 97.3 0.2137 27.6 0.7240 -50.2 1.500 0.6455 -102.9 1.820 93.4 0.2166 25.1 0.7021 -52.2 1.600 0.6173 -109.0 1.743 88.9 0.2213 22.9 0.6849 -54.1 1.700 0.6062 -114.8 1.700 85.2 0.2229 20.4 0.6632 -56.1 1.800 0.5823 -119.9 1.644 81.5 0.2263 18.8 0.6511 -57.5 1.900 0.5768 -124.8 1.596 77.7 0.2278 16.3 0.6387 -59.8 2.000 0.5592 -130.1 1.539 73.8 0.2306 14.9 0.6250 -61.3 2.200 0.5391 -139.9 1.445 67.2 0.2323 11.0 0.6024 -64.6 2.400 0.5211 -149.1 1.371 60.8 0.2340 7.6 0.5812 -68.4 2.600 0.5104 -159.0 1.296 54.9 0.2308 5.1 0.5622 -70.8 2.800 0.5022 -167.4 1.232 49.2 0.2318 2.4 0.5493 -74.2 3.000 0.5039 -175.9 1.176 43.6 0.2297 -0.2 0.5412 -77.2 3.500 0.5096 165.0 1.042 30.9 0.2295 -4.6 0.5275 -85.6 4.000 0.5340 149.3 0.931 19.4 0.2188 -9.3 0.5133 -95.6 4.500 0.5653 137.2 0.839 9.2 0.2100 -13.3 0.5201 -105.3 5.000 0.5895 126.6 0.757 0.0 0.1963 -15.4 0.5388 -115.7 5.500 0.6134 119.0 0.674 -7.6 0.1849 -15.5 0.5482 -125.3 6.000 0.6250 112.2 0.609 -14.4 0.1784 -13.8 0.5697 -133.4 ! ! SIEMENS AG Semiconductor Group, Munich