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BFR31LT1 Datasheet(PDF) 2 Page - ON Semiconductor |
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BFR31LT1 Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 4 page BFR30LT1, BFR31LT1 http://onsemi.com 2 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Min Max Unit OFF CHARACTERISTICS Gate Reverse Current (VGS = 10 Vdc, VDS = 0) IGSS − 0.2 nAdc Gate Source Cutoff Voltage (ID = 0.5 nAdc, VDS = 10 Vdc) BFR30 BFR31 VGS(OFF) − − 5.0 2.5 Vdc Gate Source Voltage (ID = 1.0 mAdc, VDS = 10 Vdc) BFR30 BFR31 (ID = 50 mAdc, VDS = 10 Vdc) BFR30 BFR31 VGS − 0.7 − − − − 3.0 − 1.3 − 4.0 − 2.0 Vdc ON CHARACTERISTICS Zero − Gate −Voltage Drain Current (VDS = 10 Vdc, VGS = 0) BFR30 BFR31 IDSS 4.0 1.0 10 5.0 mAdc SMALL−SIGNAL CHARACTERISTICS Forward Transconductance (ID = 1.0 mAdc, VDS = 10 Vdc, f = 1.0 kHz) BFR30 BFR31 (ID = 200 mAdc, VDS = 10 Vdc, f = 1.0 kHz) BFR30 BFR31 yfs 1.0 1.5 0.5 0.75 4.0 4.5 − − mmhos Output Admittance (ID = 1.0 mAdc, VDS = 10 Vdc, f = 1.0 kHz) BFR30 (ID = 200 mAdc, VDS = 10 Vdc) BFR31 yos 40 20 25 15 mmhos Input Capacitance (ID = 1.0 mAdc, VDS = 10 Vdc, f = 1.0 MHz) (ID = 200 mAdc, VDS = 10 Vdc, f = 1.0 MHz) Ciss − − 5.0 4.0 pF Reverse Transfer Capacitance (ID = 1.0 mAdc, VDS = 10 Vdc, f = 1.0 MHz) (ID = 200 mAdc, VDS = 10 Vdc, f = 1.0 MHz) Crss − − 1.5 1.5 pF TYPICAL CHARACTERISTICS f, FREQUENCY (kHz) Figure 1. Noise Figure versus Frequency RS, SOURCE RESISTANCE (Megohms) Figure 2. Noise Figure versus Source Resistance 14 0.01 4 3 2 0 12 1 0.1 1.0 10 100 5 10 8 6 4 2 0 0.001 0.01 0.1 1.0 10 VDS = 15 V VGS = 0 RS = 1 MW VDS = 15 V VGS = 0 f = 1 kHz |
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