Instruction/ maintenance manual of the product 2N4123 Fairchild
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2N4123 NPN General Purpose Amplifier 2N4123 This device is designed for use as general purpose amplifiers and switches requiring collector currents to 100 mA. Absolute Maximum Ratings* TA = 25°C unless otherwise noted * These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
2N4123 NPN General Purpose Amplifier (continued) Electrical Characteristics TA = 25°C unless otherwise noted OFF CHARACTERISTICS S y m b ol P a r ame ter Tes t C ond itio ns Min Ma x U n it s V (B R) CE O C ol le c t or - E m i tt er B r eak d own Vo ltag e* I C = 1.
2N4123 T ypical Characteristics Base-E mi tter ON V oltage v s Collector C u rren t 0.1 1 10 100 0.2 0.4 0.6 0.8 1 I - COLLEC TOR CURRENT (mA ) V - BA SE-EMITTER ON VOL T A GE (V) BE(ON) C V = 5V CE 25 °C 125 °C - 40 °C NPN General Purpose Amplifier (continued) Base -Emitter Sa turation V oltage vs Collector Current 0.
Power Di ssipation v s A mbient T emperature 0 25 50 75 100 125 150 0 0.25 0.5 0.75 1 TEMPER A TURE ( C) P - POWER DI SSI P A TION (W ) D o SOT-223 SOT-23 TO -9 2 T ypical Characteristics (continued) Noise Fi gure vs F reque ncy 0.1 1 10 100 0 2 4 6 8 10 12 f - FREQUENCY (kHz) NF - NOISE FIG URE (dB) V = 5.
2N 4123 NPN General Purpose Amplifier (continued) T ypical Characteristics (continued) Storage T ime v s Co llector Current 1 10 100 5 10 100 500 I - COLLECTOR CURREN T (mA) t - STORAGE TIME (ns) I = .
T est Circuits 10 K Ω Ω Ω Ω Ω 3.0 V 275 Ω Ω Ω Ω Ω t 1 C 1 < < < < < 4.0 pF Duty Cycle = = = = = 2% Duty Cycle = = = = = 2% < < < < < 1.0 ns - 0.5 V 300 ns 10.6 V 10 < < < < < t 1 < < < < < 500 µ µ µ µ µ s 10.
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