전자부품 데이터시트 검색엔진 |
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BC847B 데이터시트(PDF) 4 Page - Rohm |
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BC847B 데이터시트(HTML) 4 Page - Rohm |
4 / 6 page BC847B Transistors Rev.A 4/5 Ta =25°C VCC =40V IC =101B1=101B2 1.0 10 100 100 1000 10 IC-COLLECTOR CURRENT (mA) Fig.12 Fall time vs. collector current Ta =25°C f =1MHz 0.5 110 5 Ta =25°C 0.5 10 100 500 5.0 50 0.5 IC-COLLECTOR CURRENT (mA) 400MHz 400MHz 300MHz 200MHz 100MHz 300MHz 200MHz 100MHz Fig.14 Gain bandwidth product 0 10 100 1 REVERSE BIAS VOLTAGE (V) Cib Cob Fig.13 Input/output capacitance vs. voltage Ta =25°C VCE =5V 0.5 1.0 10 100 500 100 1000 10 IC-COLLECTOR CURRENT (mA) Fig.15 Gain bandwidth product vs. collector current Ta =25°C VCE =6V f =270Hz 0.1 110 100 10 1 100 0.1 IC-COLLECTOR CURRENT (mA) hfe hfe hre hoe hoe hie hie hre IC =1mA hie =7.8kΩ hfe =280 hre =4.5×10−5 hoe =7.5µS Fig.16 h parameter vs. collector current VCB =30V 0 75 25 50 100 125 150 100P 10P 1P 10n 1n 0.1P TA-AMBIENT TEMPERATURE ( °C) Fig.17 Collector cutoff current Ta =25°C VCE =5V IC =100µA RS =10kΩ 10 1k 100 10k 100k 6 12 10 8 4 2 0 f-FREQUENCY (Hz) Fig.18 Noise vs. collector current Ta =25°C VCE =5V f =10Hz 0.01 0.1 1 10 10k 1k 100k 100 IC-COLLECTOR CURRENT (mA) Fig.19 Noise characteristics ( ) |
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