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BF840 |
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| Part Number | BF840 |
| Manufacturer | Siemens Semiconductor Group |
| Description | NPN Silicon RF Transistors BF 840 BF 841 q q q Suitable for common emitter RF, IF amplifiers Low collector-base capacitance due to contact shield diffusion Low output conductance Type BF 840 BF 84... |
| Features |
, IB = 0 Emitter-base breakdown voltage IE = 10 µA, IB = 0 Collector-base cutoff current VCB = 20 V, IE = 0 DC current gain, IC = 1 mA, VCE = 10 V BF 840 BF 841 Base-emitter voltage IC = 1 mA, VCE = 10 V AC Characteristics Transition frequency IC = 1 mA, VCE = 10 V, f = 100 MHz Collector-base capacitance VCB = 10 V, VBE = vbe = 0, f = 1 MHz Noise figure IC = 1 mA, VCE = 10 V, f = 100 kHz RS = 200 Ω Output conductance IC = 1 mA, VCE = 10 V, f = 0.5 MHz fT Ccb F – – – 380 0.3 1.7 – – – MHz pF dB V(BR) CE0 V(BR) EB0 ICB0 hFE 65 35 VBE – – – 0.7 220 125 – V 40 4 – – – – – – 100 nA – V Values typ. ... |
| Document |
 BF840 Data Sheet
PDF 20.54KB |
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