BUX48

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	15A
Voltage - Collector Emitter Breakdown (Max):	400V
Vce Saturation (Max) @ Ib, Ic:	5V @ 3A, 15A
Current - Collector Cutoff (Max):	200µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	--
Power - Max:	175W
Frequency - Transition:	--
Operating Temperature:	200°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	TO-204AA, TO-3
Supplier Device Package:	TO-3

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BUX48 Application Field and Working Principle

Bipolar junction transistors (BJTs) are three terminal bipolar devices that comprise of a base, collector and emitter junction. The BUX48 is one such device and is widely used in electronics applications as a low power switch and as an amplifier. This article will discuss the application field of the BUX48 as well as the working principle behind this device.

Application Field

The BUX48 is capable of delivering high current gain, making it suitable for many low power applications. The BUX48 can be used to amplify lower signals into higher voltages. This makes it ideal for use in small audio amplifier circuits as it can provide sufficient gain to amplify the sound signal. Additionally, the BUX48 can be used in high frequency applications in which the base-emitter junction is operated in the forward-active mode, allowing it to produce high gain, high frequency oscillations. These oscillations can be used to drive relays and other power-consuming devices.

Working Principle

The BUX48 transistor consists of three terminals, a base, collector and an emitter. The collector is the main terminal that is used for current output and carries large current. The base is a control terminal and it is used to initiate the current flow between the collector and the emitter. The base-emitter junction when forward biased, allows current to flow from the base to the emitter. The resulting collector-emitter current is proportionally larger than the base current, usually on the order of magnitude of 100. As this current increases and decreases, the transistor will act as an amplifier or switch, depending on the application.

Conclusion

The BUX48 application field is wide and varied. It is available in a variety of packages and configurations and can be used as a low power switch or an amplifier. The underlying operation of the BUX48 is simple and is based on the forward bias of the base-emitter junction which allows larger values of collector current to flow. This article has outlined the application field and working principle behind the BUX48 device, thus allowing users to utilize this device effectively in a range of scenarios.

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