! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 3 V IC = 4 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 0.8746 -1.7 11.456 178.8 0.0013 77.7 0.9928 -0.6 0.020 0.8809 -3.2 11.447 177.9 0.0029 85.5 0.9931 -1.4 0.050 0.8768 -7.6 11.392 173.8 0.0073 86.8 0.9890 -3.5 0.100 0.8611 -15.8 11.214 167.9 0.0132 79.3 0.9822 -6.8 0.150 0.8480 -23.4 11.013 161.8 0.0201 76.7 0.9658 -10.1 0.200 0.8252 -31.1 10.814 156.0 0.0257 72.6 0.9484 -13.2 0.250 0.8010 -38.2 10.473 150.4 0.0309 69.1 0.9260 -16.1 0.300 0.7776 -45.4 10.170 145.7 0.0363 66.1 0.9022 -18.7 0.400 0.7192 -58.3 9.364 135.6 0.0451 60.3 0.8538 -23.1 0.500 0.6563 -70.7 8.533 127.1 0.0517 54.3 0.8043 -26.6 0.600 0.6034 -81.9 7.873 119.8 0.0573 50.4 0.7596 -29.4 0.700 0.5578 -92.2 7.151 113.4 0.0612 47.4 0.7202 -31.6 0.800 0.5187 -101.6 6.613 107.6 0.0651 45.0 0.6877 -33.3 0.900 0.4871 -110.7 6.090 102.5 0.0688 42.8 0.6614 -34.7 1.000 0.4601 -119.9 5.608 97.6 0.0710 41.1 0.6375 -36.0 1.100 0.4335 -128.9 5.249 93.0 0.0744 39.9 0.6166 -37.2 1.200 0.4150 -137.0 4.879 89.2 0.0767 38.4 0.6007 -38.3 1.300 0.4045 -144.5 4.554 85.4 0.0785 37.6 0.5849 -39.4 1.400 0.3870 -152.2 4.285 81.9 0.0806 37.2 0.5727 -40.4 1.500 0.3876 -159.8 4.048 78.2 0.0829 36.6 0.5611 -41.3 1.600 0.3767 -166.4 3.814 75.1 0.0850 36.1 0.5513 -42.3 1.700 0.3734 -172.9 3.606 71.9 0.0872 35.7 0.5426 -43.5 1.800 0.3763 -180.0 3.429 68.8 0.0896 35.5 0.5345 -44.5 1.900 0.3772 174.2 3.264 65.9 0.0915 34.5 0.5265 -45.6 2.000 0.3785 168.1 3.103 63.1 0.0937 34.2 0.5205 -46.7 2.200 0.3892 157.8 2.833 57.4 0.0981 33.6 0.5082 -49.3 2.400 0.4030 147.9 2.618 52.4 0.1023 32.9 0.4973 -52.0 2.600 0.4215 139.5 2.415 47.4 0.1062 32.4 0.4850 -54.8 2.800 0.4399 132.0 2.248 42.2 0.1107 31.4 0.4769 -57.8 3.000 0.4600 124.9 2.100 37.6 0.1151 30.7 0.4658 -60.8 3.500 0.5093 110.8 1.788 26.4 0.1262 28.3 0.4495 -69.4 4.000 0.5606 99.7 1.554 16.0 0.1372 25.7 0.4336 -79.1 4.500 0.6002 90.7 1.359 6.2 0.1473 22.8 0.4231 -89.8 5.000 0.6349 83.6 1.204 -2.3 0.1574 20.4 0.4171 -100.6 5.500 0.6611 77.6 1.077 -10.8 0.1703 18.0 0.4233 -111.8 6.000 0.6936 71.8 0.975 -18.6 0.1820 14.4 0.4354 -123.1 ! ! SIEMENS AG Semiconductor Group, Munich