2N404A Germanium PNP Transistor Medium Speed Switch TO5 Type Package Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Collector-Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40V Emitter-Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25V Collector-Emitter Voltage (Note 1), VCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -35V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mA Total Device Dissipation, PD TA = +25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mW TA = +55C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90mW TA = +71C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60mW Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +100C Note 1. Reach through voltage. Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Collector-Base Breakdown Voltage V(BR)CBO IC = -20A -40 - - V Emitter-Base Breakdown Voltage V(BR)EBO IE = -20A -25 - - V -35 - - V - - -5 A - - -90 A VEB = 2.5V - - -2.5 A IB = 0.4mA, IC = -12mA - - -0.15 V IB = 1mA, IC = 24mA - - -0.2 V IB = 0.4mA, IC = -12mA - - -0.35 V IB = 1mA, IC = 24mA - - -0.4 V Reach Through Voltage VRT Collector Cutoff Current ICBO VCB = -12V TA = +80C Emitter Cutoff Current Collector-Emitter Saturation Voltage Base Input Voltage IEBO VCE(sat) VBE Electrical Characteristics (Cont'd): (TA = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 4 - - mcs High Frequency Characteristics Alpha Cutoff Frequency fhfb Collector Capacitance Cob f = 2mcs - - 20 pF Stored Base Charge QSB IB = 1mA, IC = -10mA - - 1400 pcb Base Spreading Resistance r'b - 100 - Input Resistance hie - 2700 - Noise Figure NF - 3.5 - dB 1kc, 1 cycle wide Low Frequency Characteristics (Common Emitter) Output Admittance hoe - 400 - mhos Voltage Feedback Ratio hre - 8.4 - x10-4 Forward Current Transfer Ratio hfe - 86 - Input Impedance hie - 450 - .352 (8.95) Dia Max .320 (98.13) Dia Max .250 (6.35) Max 1.500 (38.1) Min .019 (0.5) Dia Base Emitter Collector 45 .031 (.793)