BC449AG

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	300mA
Voltage - Collector Emitter Breakdown (Max):	100V
Vce Saturation (Max) @ Ib, Ic:	250mV @ 10mA, 100mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	120 @ 2mA, 5V
Power - Max:	625mW
Frequency - Transition:	200MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92-3
Base Part Number:	BC449

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

BC449AG Application Field and Working PrincipleBC449AG, a general purpose bipolar transistor, is a NPN transistor with a wide range of applications in today’s electronics industry. It is a single-junction transistor with a maximum current rating of 50mA and a collector-emitter voltage of 80V. The BC449AG transistor is ideal for analog or digital design applications where low-cost solutions are necessary.The BC449AG transistor has a structure based on a silicon-germanium substrate, which makes it suitable for a variety of applications. The substrate reduces parasitic capacitance and helps to provide a low-capacitance diode, meaning that the device’s switching speed is increased. The device’s maximum frequency is 120MHz, making it well suited for the latest high-speed applications.The BC449AG transistor is commonly used in both small and medium-power circuits. It is popular in audio-amplifier and radio-frequency applications such as filter devices and mixers. Its high switching speed also makes it suitable for switching circuits and devices, providing exceptional performance and improving system efficiency.The BC449AG transistor’s working principle is based on the application of a bias potential to the transistor’s base terminal. This bias potential is usually obtained from an external power supply and is used to modulate the current flow from the collector to the emitter. The transistor’s base terminal, when subjected to this bias potential, applies a voltage between the collector and emitter, which in turn controls the current flow to the emitter and collector.The BC449AG transistor has a few advantages over other transistors, such as its low cost and its higher efficiency. Its cost-effectiveness makes it particularly useful in cost-sensitive designs, and its efficient operation helps to reduce energy consumption. As such, the BC449AG is a cost effective and efficient transistor solution for a variety of industrial and consumer applications.In conclusion, the BC449AG is a general-purpose transistor with a wide range of applications in today’s electronics industry. It is a single-junction device with a low cost and high efficiency. The device is made up of a silicon-germanium substrate which helps to reduce the parasitic capacitance and improve the device’s performance. The BC449AG transistor’s working principle is based on the application of a bias potential to its base terminal, which is then used to modulate the current flow from the collector to the emitter. The device is commonly used in audio-amplifer and radio-frequency applications and also for switching circuits and devices.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description