BC857C-7-F

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	650mV @ 5mA, 100mA
Current - Collector Cutoff (Max):	15nA
DC Current Gain (hFE) (Min) @ Ic, Vce:	420 @ 2mA, 5V
Power - Max:	300mW
Frequency - Transition:	200MHz
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	BC857C

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BC857C-7-F application field and working principleAs a kind of transistor that belongs to the Bipolar Junction Transistor (BJT) series, BC857C-7-F is extensively applied in modern electronic circuit system as a switching, amplifying and interfacing devices. In this article, both the application field and working principle of BC857C-7-F are going to be discussed in depth.Application Field of BC857C-7-F BC857C-7-F is a semiconductor, PNP transistor device manufactured in a small SOT-23 plastic package specially designed for applications in modern, low voltage, high speed digital multimedia and communications electronics in computer and consumer systems. Therefore, it is ideally applied in modern low power applications as an amplifier of small signals and interface circuit in low voltage and current levels, typically low power automotive electronics, wireless and wired communications, personal computer and consumer electronic systems.Working Principle of BC857C-7-F The working principle of BC857C-7-F follows the basic physical law of semiconductor device, called the "law of PN junction". The main components of BC857C-7-F are the emitter, the base and the collector. The PN junction between the emitter and the base has the property of converting electrical energy into light energy. The base voltage controls the base current, which, in turn, controls the collector current.In addition, the maximum collector current, or the Ic max, is the maximum current that the collector can sustain without being damaged. The aforementioned property of PN junction and the maximum collector current makes BC857C-7-F an ideal circuit for noise canceling, as it reduces the noise generated by the transistor.Conclusion In conclusion, the properties of PN junction of BC857C-7-F work to control the base current and the collector current, making it a suitable amplifying, switching and interfacing device for low power applications. Its application fields are mainly in low power automotive electronics, wireless and wired communications, personal computer and consumer electronic systems.

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