BC849BLT3G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	30V
Vce Saturation (Max) @ Ib, Ic:	600mV @ 5mA, 100mA
Current - Collector Cutoff (Max):	15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	200 @ 2mA, 5V
Power - Max:	300mW
Frequency - Transition:	100MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3 (TO-236)

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Introduction

The BC849BLT3G transistor is a small-signal transistor from ON Semiconductor. It is a PNP NPN transistor that excels in small signal applications and power electronics circuits. The transistor is offered in an industry standard SOT-23 package, an ultra-miniature SC-75 package and an SC-88 package for surface-mount devices. This device is especially suitable for small size hand-held radio and battery powered products.

Application field and working principle

The BC849BLT3G transistor is mainly used as a switch, amplifier or switch amplifier, operating in the active region. The most common application is to use the transistor as an amplifier. In this application, it is being supplied with two inputs, the base and emitter, and the output is typically taken from the collector. As the base current increases, the collector current will increase and the amplified signal will appear at the collector. The transistor can also be used as a switch, to either allow current to pass through the collector or shut the current off. When the base current is low, the collector current is cut off, and when the current is increased, the collector current will start to flow through and the device will be turned on. The BC849BLT3G transistor can also be used as a current amplifier or current switch. In this application, the transistor is used to control the amount of voltage or current supplied from the base to the collector. In terms of power electronics, the BC849BLT3G transistor is often used in power switching applications to control the load and to provide the needed current for turning on and off the load. It is also used for Frequency and voltage stabilization purposes, in the process of switching between AC and DC, and in oscillators. The transistor features low power dissipation and low noise. It is generally used in circuits requiring high switching speed, low signal distortion and high voltage gain.

Conclusion

The BC849BLT3G is a widely used small-signal transistor from ON Semiconductor. It excels in a variety of applications such as amplifiers, switches and power electronics circuits. The transistor offers low power dissipation, low noise and high switching speed and is available in a variety of package sizes for different Circuit applications.

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