High Voltage Transistors BF420 BF422 - Futurlec
High Voltage Transistors BF420 BF422 - Futurlec
High Voltage Transistors BF420 BF422 - Futurlec
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ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)ON CHARACTERISTICSDC Current Gain(IC = 25 mAdc, VCE = 20 Vdc)Collector–Emitter Saturation <strong>Voltage</strong>(IC = 20 mAdc, IB = 2.0 mAdc)Characteristic Symbol Min Max Unit<strong>BF420</strong><strong>BF422</strong>hFEVCE(sat)5050——— 0.5—VdcBase–Emitter Saturation <strong>Voltage</strong>(IC = 20 mAdc, IB = 2.0 mAdc)VBE(sat)— 2.0VdcSMALL–SIGNAL CHARACTERISTICSCurrentGain — Bandwidth Product(IC = 10 mAdc, VCE = 10 Vdc, f = 20 MHz)fT60 —MHzCommon Emitter Feedback Capacitance(VCB = 30 Vdc, IE = 0, f = 1.0 MHz)Cre— 1.6pF2 Motorola Small–Signal <strong>Transistors</strong>, FETs and Diodes Device Data
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