2N3262 File No. 56 TYPICAL SATURATED-SWITCHING CHARACTERISTICS AND TEST CIRCUIT COMMON~EMITTER CIRCUIT, BASE INPUT. COLLECTOR MILLIAMPERES (I)=!000,0R 500 FREE-AIR TEMPERATURE (Tra)=25C 50 TURN-ON BASE MILLIAMPERES (Ig) CIRCUIT USED TO MEASURE ,,, AND toy, FOR OPERATION AS A SATURATED SWITCH Voc #28 INPUT FROM ~ RISE TIME (ty) RELAY PULSE DELAY TIME (tq) GENERATOR aT (2g = 50 OHMS} OUTPUT TO 6 onMS OSCILLOSCOPE 200 92CS12458 Fig.7 COLLECTOR CURRENT. BASE CURRENT _ + ~VaB INPUT PULSE: tr < 3 nsec | REP, RATE = 120 CPS 92CS- 12463 te <10 nsec PULSE WIDTH = 300 psec Fig. 8 WAVE FORMS FOR SATURATED SWITCH CIRCUIT ON -30% 10% TIME / od ta | te ts {tt > "TURN-ON" Fe ON be TURN OFF" TIME OUTPUT WAVE FORM 1 | TIME coe ie ry ' TBe INPUT WAVE FORM zr, ~ Ba t 92CS~-12460 9208-12459 Fig.9 Igy = 100 ma |ton = 4O nsec IBg =~100 ma |toff = 750 nsec le = 1 amp COMMONEMITTER CIRCUIT, BASE INPUT. 50 Fig.10 COMMON-EMITTER CIRCUIT, BASE INPUT. | FREE-AIR TEMPERATURE (Tra) = 25 C z Sg Ke aq wo a 2 = eS 3 a = ie wo oe 5 re 4 > = WwW a ae oO bE TS z Sa $ ea a8 " 4 8 3S a oO ao 200 400 600 800 1000 COLLECTOR MILLIAMPERES (Tc) COLLECTOR MILLIAMPERES (Ic) Fig.11 928 ~ 12461 Fig.12 92Cs- 12451