Table of Contents
What is a BC547 transistor?
The BC547 is a NPN transistor meaning when power is applied to the base (control pin) it will flow from the collector to the emitter. Typically NPN transistors are used to “switch ground” on a device, meaning, they are placed after the load in a circuit.
What is the difference between 547 and 548 transistor?
This group of NPN transistors share many specifications and characteristic curves, but differ in voltage ratings – the BC546 and BC547 are essentially the same as the BC548 but selected with higher breakdown voltages, while the BC549 is a low noise version, and the BC550 is both high-voltage and low-noise.
How does a 547 transistor work?
The BC547 transistor is an NPN transistor. A transistor is nothing but the transfer of resistance which is used for amplifying the current. A small current of the base terminal of this transistor will control the large current of emitter and base terminals.
What is the purpose of BC547?
BC547 Transistor Application BC547 is usually used for current amplifier, quick switching and pulse-width modulation (PWM). Therefore, if you need to control the speed of a motor or actuator in some of your projects, you can simply use this transistor to achieve it.
What is the BC547 transistor pinout?
BC547 transistor pinout or pin diagram has three pins, starting from left: collector, emitter, and base respectively. BC547 transistor acts as a switch between the collector and emitter. If the base of the transistor is given enough current, this switch closes and the current flows from the collector to the emitter.
Can I use BC 547 instead of BC548?
NO, BC547 is an NPN and BC548 is a PNP transistor both the transistors are not substitute to each other.
Is BC547 a Mosfet?
N-Channel MOSFET (IRFZ44N) BC547 Transistor BC547 is an NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at the ground and will be closed (Forward biased) when a signal is provided to the base pin.
What is equivalent to BC547?
BC547 Transistor Equivalent BC547 transistor can be used as an alternative to many transistors: BC548, BC549, BC636, BC639, 2N2222 TO-92, 2N2222 TO-18, 2N2369, 2N3055 and 2N3904 all are BC547 transistor equivalent.
Is BC547 transistor NPN or PNP?
BC547 -> BC547 is a NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at ground and will be closed (Forward biased) when a signal is provided to base pin.
What are the features of the BC547 transistor?
The features of the BC547 transistor include the following. The ON/OFF touch switch using transistor BC547 is shown below. The circuit is activated once the power supply is given to the circuit. Once the supply is given to the circuit, the relay gets off mode.
How much current is allowed in a bias transistor?
To bias a transistor we have to supply current to base pin, this current (I B) should be limited to 5mA. When this transistor is fully biased then it can allow a maximum of 100mA to flow across the collector and emitter.
Which is the highest transition frequency of BC547?
The utmost transition frequency of BC547 is 300MHz so that it will perform well within RF circuits. Drivers like an LED driver, Relay Driver, etc. Amplifiers like Audio, signal, etc..
What is the saturation region of a transistor?
When this transistor is fully biased then it can allow a maximum of 100mA to flow across the collector and emitter. This stage is called Saturation Region and the typical voltage allowed across the Collector-Emitter (V CE) or Base-Emitter (V BE) could be 200 and 900 mV respectively.