isc RF Product Specification INCHANGE Semiconductor isc Silicon NPN RF Transistor BFS520 DESCRIPTION ·Low Noise Figure NF = 1.1 dB TYP. @VCE = 6 V, IC = 5 mA, f = 900 MHz ·High Current-Gain—Bandwidth Product fT= 9 GHz TYP. @VCE = 6 V, IC = 20 mA, f = 1 GHz APPLICATIONS ·Designed for wideband applications such as satellite TV tuners,cellular phones, cordless phones,pagers etc, with signal frequencies up to 2 GHz. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT 20 V 15 V VCBO Collector-Base Voltage VCES Collector-Emitter Voltage VEBO Emitter-Base Voltage 2.5 V IC Collector Current-Continuous 70 mA PC Collector Power Dissipation @TC=25℃ 0.3 W TJ Junction Temperature 175 ℃ -65~150 ℃ Tstg RBE= 0 Storage Temperature Range isc Website：www.iscsemi.cn isc RF Product Specification INCHANGE Semiconductor isc Silicon NPN RF Transistor BFS520 ELECTRICAL CHARACTERISTICS TC=25℃ unless otherwise specified SYMBOL PARAMETER CONDITIONS ICBO Collector Cutoff Current VCB= 6V; IE= 0 hFE DC Current Gain IC= 20mA ; VCE= 6V Current-Gain—Bandwidth Product IC= 20mA ; VCE= 6V; f= 1GHz COB Output Capacitance Cre fT MIN TYP. 60 MAX UNIT 0.05 μA 250 9 GHz IE= 0 ; VCB= 6V; f= 1MHz 0.5 pF Feedback Capacitance IC= 0 ; VCB= 6V; f= 1MHz 0.4 pF Insertion Power Gain IC= 20mA ; VCE= 6V; f= 900MHz 14 dB NF Noise Figure IC= 5mA ; VCE= 6V; f= 900MHz 1.1 1.6 dB NF Noise Figure IC= 20mA ; VCE= 6V; f= 900MHz 1.6 2.1 dB NF Noise Figure IC= 5mA ; VCE= 6V; f= 2GHz 1.9 ︱S21e︱2 isc Website：www.iscsemi.cn 2 13 dB INCHANGE Semiconductor isc Silicon NPN RF Transistor isc Website：www.iscsemi.cn isc RF Product Specification BFS520 isc RF Product Specification INCHANGE Semiconductor isc Silicon NPN RF Transistor isc Website：www.iscsemi.cn BFS520 4 INCHANGE Semiconductor isc Silicon NPN RF Transistor isc Website：www.iscsemi.cn isc RF Product Specification BFS520 isc RF Product Specification INCHANGE Semiconductor isc Silicon NPN RF Transistor isc Website：www.iscsemi.cn BFS520 6 INCHANGE Semiconductor isc Silicon NPN RF Transistor isc Website：www.iscsemi.cn isc RF Product Specification BFS520