Early voltage in 2n3906 transistor12/31/2023 In this condition, the base is directly connected to the ground. Similarly, in the cut-off region, it works as an open switch means both junctions will be reverse biased, and emitter-base voltage will be less than 5V thus transistor works as a fully open switch. In the saturation region, it works as close switch means both junctions will be forward biased, and emitter-base voltage will be greater than 5V thus transistor works as a fully closed switch. Transistors NPN Silicon 2N3903, 2N3904 Features PbFree Packages are Available MAXIMUM RATINGS Rating Symbol Value Unit CollectorEmitter Voltage VCEO 40 Vdc CollectorBase Voltage VCBO 60 Vdc EmitterBase Voltage VEBO 6.0 Vdc Collector Current Continuous IC 200 mAdc Total Device Dissipation TA 25C Derate above 25C PD. In the active region, it works as an amplifier means its emitter-base junction will be forward biased and the collector-base junction will be reversed biased. When the digital signal is low, the transistor is driven with about 2. Either it is used for switching or amplification it works in three modes of operation. The two resistors form a voltage divider so that the E-B voltage is held at less than 400 mV when the digital signal is at 3.3 V. Collector emitter saturation voltage: 0.25Vįor further details download datasheet 2N3906 DataSheet Where and How to Use 2N3906 TransistorĢN3906 transistor is generally used for high-speed switching and amplification purpose.1 Part numbers The 2N3904 (NPN) and 2N3906 (PNP) are complementary transistor pairs. Its transition frequency F t is 250 MHz, with a beta of at least 100. ![]() This means that we have two important voltages that are both referenced to an.
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