Bc547 transistor equivalent

Bc547 transistor equivalent

Besides these uses it can also be used in commercial circuits.

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It comes in TO packaging and the maximum output current this transistor can handle is mA. The transistor is having very good DC current gain and low noise capabilities due to which it is ideal to use in signal amplification stages. The typical saturation voltage is only 90 millivolts which is also a good sign to use it as a switch. The BC is a widely used transistor and it can be used in any general purpose application, it can also be used as a substitute and replacement to many transistors, therefore it can be used in variety of electronic circuits for example switch small load on very low input voltage and current and also in amplification of small audio and other signals.

The max transition frequency of the transistor is MHz so it will also perform well in RF circuits under MHz frequency. For long run in a circuit it is important to not increase load more than mA on it, and do not exceed the voltage across this transistor to 45V DC.

bc547 transistor equivalent

Always use a suitable base resistor to provide required current for saturation. Always confirm the collector emitter and base pins before placing in circuit. If accidently placed wrong in a circuit than check its performance again because placing wrong pins sometimes burns the internal circuitry of the transistor or make it weak. September 27, August 13, July 15, Your email address will not be published.

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Top 5 BC547 Projects in 6 Minutes _ Single Transistor projects

If you continue to use this site we will assume that you are happy with it. Ok Privacy policy.This article describes BC transistor pinout, equivalent, uses, features and other information about this device. BC is a commonly used transistor that can be found easily. It can also be replaced with some well know transistors.

BC is another general purpose widely used transistor that can be easily get from reputable electronic components store, this transistor also have bunch of good features on the basis of which one can use it in their electronic circuit, it can handle maximum current of mA which is enough to drive many other components such as ICS, other transistors, portion of a circuits, relays, LEDs etc.

The max collector dissipation of the device is miliWatt which is another good feature to use it as a small amplifier. BC transistor can be used in many general purpose applications; you can use it in the replacement of other general purpose transistor 2N, BC etc. A part from that it can be used as a switch to drive load under mA.

The mA collector current is quite good feature for this size and type of transistor therefore you can drive wide variety of loads at the same time in an electronic circuit. Moreover this transistor also has a very good DC current gain and collector dissipation characteristics which makes it ideal to use it in amplification and pre-amplification stages of an electronic circuit. To increase the durability and performance of this device the user much follow the guide lines and should not increase the values as described below.

Do not drive the transistor above 30V, always make sure to place its pins right in the circuit, do not provide load more than mA, and always use a suitable resistor at the base of the transistor to provide it required current. December 16, September 3, July 10, Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.

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Thread starter rahulrox Start date Apr 17, Search Forums New Posts.

bc547 transistor equivalent

Status Not open for further replies. Thread Starter rahulrox Joined Oct 31, I have a small circuit which controls the speed of a DC motor as per the ambient temperature. The circuit is working perfectly fine. I have across this circuit across a lot of forums and was just wondering if I could replace BC Q1 in the circuit with the commonly used 2N npn transistor.

Any other reasons that you could suggest. Scroll to continue with content. Ron H Joined Apr 14, 7, BC will work just fine.

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Wendy Joined Mar 24, 22, And the maximum dissipation for a metal cased 2NA is mw. You are looking at the plastic varieties. When it comes to thermal conduction, metal always beats plastic. Ron H said:.

Felo Joined Feb 20, When I come across a replace for a switching transistor, I always choose over-kill so for this, would be my choice. You May Also Like. Continue to site. General Electronics Chat. Apr 8, Nov 2, How to design a circuit with BC transistor and resistors only.

Sep 26, My BC is getting very hot. Jun 21, In this circuit, is it possible to switch a BC Transistor with a 2na Transitor? Mar 4, BC Transistor is a general-purpose transistor mostly used in educational and electronics projects and It is also used in commercial circuits as well as in hobbies projects. It is a tiny three-terminal device capable to convert small signal inputs into large amplified outputs. The transistor, BC is shown below. Bc transistor has three terminals Collector, Base, and Emitter.

Pin detail is clearly shown in the figure given below. The Pin configuration of some transistors is different from BC so check pin configuration before replacing in a circuit. A lot of applications associated with BC, a few of the main applications are given below.

For the long life of bc do not increase load more than mA on it, and do not exceed the voltage across this transistor to 45V DC. Always use a relevant base resistor to provide the required current for saturation because more current on base can damage the transistor. Always confirm the collector-emitter and base pins before placing them in the circuit. If accidentally placed wrong in a circuit than check its performance again because wrong input can decrease its efficiency.

In a switch, it is operated in the Saturation and Cut-Off Region. A transistor acts as an Open switch during forwarding and as a Closed switch during Reverse Bias, this biasing can only be achieved by supplying the required amount of current to the base pin of the transistor.

BC549 Transistor Pinout, Uses, Equivalent

As mentioned above the biasing current maximum of 5mA. More current than 5mA will kill the Transistor; so, a resistor is always be added in series with base pin. We can calculate the value of the resistor R B using the below formulae.

A transistor acts as an Amplifier while operating in Active Region. BC can amplify power, voltage, and current at different configurations. First of all, We want to show you how can you use bc transistors in projects.

We are going to show you a simple touch on the circuit by using This will clear your concept of the working of transistor bc,bcbc, and other transistors the same as this. This simple circuit clear shows that when you touch the points shown in the circuit. Save my name, email, and website in this browser for the next time I comment. Table of Contents.

BC548 Transistor Pinout, Equivalent, Uses, Features

SMD Equivalent. Post Views:Leave a Reply Cancel reply Your email address will not be published.BC transistor: This is an NPN transistor so the collector and emitter will be on when supply small current to base.

BC is a low current transistor so the max amount of current that could flow through the Collector pin Ic is mA, so we cannot connect loads that use above mA and load voltage above 30volt using this transistor. BC has a reasonable gain value HEF from to ; this value controls the amplification capacity of the transistor.

When the transistor is fully biassed then it can permit a max of mA to flow across the collector and emitter so This step is called Saturation Region. The pin configuration of BC The working of the is the same as the NPN transistor. When a small amount of current on base has applied the emitter and collector start to flow the high level of current. When the base is connected with the ground the transistor remains in a fully cut-off stage. BC and bc both are NPN and both are alternate of each other with little difference.

The difference between these two are BC datasheet.

BC547 Transistor: Pinout, Features & Applications

Save my name, email, and website in this browser for the next time I comment. Table of Contents. Post Views: 1, BC Alternate bc datasheet bc pinout bc transistor. Leave a Reply Cancel reply Your email address will not be published.These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers.

The general-purpose range of transistors is a good substitute for basic non-critical audio applications, as these transistors are similar and equivalents to each other. The most noticeable difference is in the packaging and pin configuration. The BC series subdivides further into two groups B, and C. This suffix indicates the current gain. As you can see from this, the largest current gain is available from group C that is why the BCC is more commonly used.

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The complimentary version has identical characteristics except it is a PNP type. This is very useful for building symmetrical push-pull preamplifier stages.

Here is a typical audio amplifier circuit using biasing resistors, and an LT output transformer. They both have an absolute maximum collector rating of mA, and power dissipation of mW. Both transistors have a maximum collector-emitter rating of 30 V, and collector-base rating of 30 V. The main difference is that BC is a special low-noise type and available in groups B and C only, whilst BC is more general-purpose type and available in all three groups A, B, and C.

BC547 Transistor Pinout, Equivalent, Uses, Features & Applications

Due to the similarities between a BC and BC, they are interchangeable within many low voltage non-critical circuits, and therefore considered equivalents. Author: Peter J.Note: Complete Technical Details can be found at the datasheet give at the end of this page. BC 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.

BC has a gain value of tothis value determines the amplification capacity of the transistor. The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this 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 mA to flow across the collector and emitter. When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region and the Base Emitter voltage could be around mV.

When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. As discussed a transistor will act as an Open switch during Forward Bias and as a Closed switch during Reverse Bias, this biasing can be achieved by supplying the required amount of current to the base pin.

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As mentioned the biasing current should maximum of 5mA. Anything more than 5mA will kill the Transistor; hence a resistor is always added in series with base pin.

The value of this resistor R B can be calculated using below formulae. The value of I B should not exceed mA. A Transistors acts as an Amplifier when operating in Active Region.

It can amplify power, voltage and current at different configurations. Of the above types common emitter type is the popular and mostly used configuration. When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae. If you are designing a PCD or Perf board with this component then the following picture from the Datasheet will be useful to know its package type and dimensions.

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bc547 transistor equivalent

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