BC547C B1G

Series:	--
Packaging:	Bulk
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	--
Current - Collector Cutoff (Max):	15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	420 @ 2mA, 5V
Power - Max:	500mW
Frequency - Transition:	--
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92

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Introduction

The BC547C B1G is a PNP bipolar junction transistor (BJT) offered by Philips Semiconductors which can be used in a variety of applications. It is the most common type of BJT that is readily available, making it a popular and widely used device. Its small size, low cost, and reliability make it a suitable choice for a wide range of electronics applications such as amplifiers, audio circuits, and signal processing. This article will explore the features of the BC547C B1G and its application field, as well as its working principle.

Features of BC547C B1G

The BC547C B1G is a 5-pin, widely used, general-purpose transistor with a high current gain and low voltage drop. It has a nominal maximum current rating of 0.5 amp and can withstand voltages up to 45 volts. This makes it suitable for a wide range of applications, from amplifiers to power supplies. The BC547C B1G has a low noise level, good switching speed, and low power consumption, making it an ideal choice for low-power, low-noise circuits. The device is available in two different version; the NPN version (BC557C) and the PNP version (BC557C B1G).

Application Field

The BC547C B1G is primarily used in amplifier circuits and signal processing applications. It can be used as an amplifier in audio circuits such as preamps, receivers, and power amplifiers. The BC547C B1G is also used as a variable resistor or a variable capacitor in some applications. It can also be used in line drivers, video amplifiers, wave shaping circuits, and other circuits, due to its low-noise, high-current capabilities.

Working Principle

The BC547C B1G utilizes the base-collector junction of the transistor to control current flow through the device. The base-collector junction acts as a switch, allowing current to flow between the emitter and collector when the base current is applied. When no current is flowing through the base, no current flows between the collector and the emitter. The current gain of the BC547C B1G is determined by the ratio of the collector current to the base current. This current gain can be adjusted by changing the resistor value connected to the base of the transistor.

Conclusion

The BC547C B1G is a widely used general-purpose PNP bipolar junction transistor offered by Philips Semiconductor. Its small size, low cost, and reliable performance make it a suitable choice for a wide range of electronics applications such as amplifiers, audio circuits, and signal processing. The device is capable of handling moderate amounts of current and offers low-noise levels, good switching speeds, and low power consumption. The BC547C B1G\'s application field includes amplifiers and signal processing applications, as well as variable resistors, variable capacitors, line drivers, video amplifiers, and wave shaping circuits. The working principle of the BC547C B1G involves the base-collector junction of the transistor, which allows current to flow between the emitter and collector when the base current is applied.

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