BC177 BC178 BC179 ELECTRICAL CHARACTERISTICS(TA = 25°C unless otherwise stated)
Parameter Test Conditions Min. Typ. Max. UnitVCE = -20V VBE = 0 -100 nA ICES Collector-Emitter Leakage Current T µ amb = 150°C -10 A IC = -10µA
BC177-50 V V
BC178(BR)CBO Collector Base Breakdown Voltage -30
BC179-25 IC = -2mA
BC177-45 V V I (BR)CEO Collector Emitter Breakdown Voltage E = 0
BC178-25
BC179-20 V V I (BR)EBO Emitter Breakdown Voltage E = -10µA IC = 0 -5 VCE = -5V
BC177A125 260 IC = -2mA
BC177B240 500 f = 1kHz
BC178A125 260 — hFE DC Current Gain
BC178B240 500
BC179A125 260
BC179B240 500 IB = -0.5mA IC = -10mA -0.075 -0.25 VCE(sat) Collector – Emitter Saturation Voltage V IB = -5mA IC = -100mA -0.2 IB = -0.5mA IC = -10mA -0.72 -0.8 VBE(sat) Base – Emitter Saturation Voltage V IB = -5mA IC = -100mA -0.86 V V BE(on) Base – Emitter on Voltage CE = -5V IC = -2mA -5V -0.55 -0.64 -0.75 V VCE = -5V IC = -10mA fT Transition Frequency 200 MHz f = 100MHz VCE = -5V
BC1772 10 NF Noise Figure f = 1kHz
BC1782 10 dB IC = -0.2mA
BC1791.2 4 C I cbo Collector Base Capacitance C = -0.2mA VCB = -10V 5.0 pF
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