FJX4011RTF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	PNP - Pre-Biased
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	40V
Resistor - Base (R1):	22 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 1mA, 5V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 1mA, 10mA
Current - Collector Cutoff (Max):	100nA (ICBO)
Frequency - Transition:	200MHz
Power - Max:	200mW
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323

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1. Introduction

FJX4011RTF is a single, pre-biased bipolar junction transistor (BJT). It is used in a variety of applications, such as linear and switching power supplies, dc-to-dc converters, and low-power amplifiers. This paper will discuss its application field and working principle.

2. Application Field

FJX4011RTF is widely used in various applications. It can be used in the control of the power supply of electronic devices and the control of the DC-DC converter. For example, it can be used in the control of the power supply current in laptop computers, and it can be used in the control of the output of a dc-dc converter.In addition, FJX4011RTF can also be used as a low-power audio amplifier. It can be used to amplify weak audio signals, such as microphone signals. It can also be used as an audio output stage in small audio systems.

3. Working Principle

FJX4011RTF is a single, pre-biased BJT. It has three terminals: base, collector, and emitter.The working principle of FJX4011RTF is based on the fact that when a voltage is applied between the base and the emitter, the flow of current between the collector and the emitter is proportional to the voltage. This is known as the current-voltage relationship, or the BJT equation.By controlling the voltage applied between the base and the emitter, and consequently regulating the flow of current between the collector and the emitter, FJX4011RTF can be used to control the output of a power supply, or to control the gain of an amplifier.

4. Conclusion

FJX4011RTF is a single, pre-biased BJT that can be used in a variety of applications, such as linear and switching power supplies, dc-to-dc converters, and low-power amplifiers. Its working principle is based on the current-voltage relationship of the BJT equation, which can be used to control the output of a power supply, or to control the gain of an amplifier.

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