2N5551 – What is it? Specifications, diagram, price and reviews

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If you’re interested in electronic circuits, especially transistors, you’ve probably encountered the 2N5551. This popular NPN transistor is a versatile component in electronics. In our article you’ll find complete information about it – from technical data to schematics to prices and user reviews. Keep reading to learn more about the 2N5551 transistor and decide if this is the component you need for your projects.

An introduction to the subject of the 2N5551 transistor

The 2N5551 is a high-voltage NPN transistor that is widely used in many types of electronic circuits. It is mainly used as an amplifier, generator or switch. The popularity of the 2N5551 transistor is due to its performance, durability and wide range of applications.

This versatile component can be used in various fields such as:

  • Consumer electronics – going into the components of computers and audio/video devices;
  • Industry – in control systems, microcontrollers;
  • Telecommunications-In radio and telecommunications equipment.

Buying the 2N5551 transistor is a worthwhile investment given its versatility and price, which is affordable for most users. Reviews of this transistor are overwhelmingly positive, both from professionals and hobbyist electronics enthusiasts.

A set of bipolar transistors in TO92 housing.

Technical characteristics of the 2N5551

When delving into the technical characteristics of the 2N5551 transistor, it is worth starting with its datasheet. This document provides structured and detailed information on the parameters of this circuit.

Key parameters of the 2N5551 transistor include:

  • max. collector-emitter voltage – 160V;
  • max. collector-base voltage – 180V;
  • max. collector current – 600mA;
  • max. total power – 625mW;
  • limit frequency -100MHz.

These features make the 2N5551 an extremely practical and versatile component, suitable for a wide range of applications. The small dimensions of this transistor, at 4.19×1.25 mm, add even more versatility. All these parameters ensure that the 2N5551 transistor will find its way into a wide variety of projects, both professional and hobbyist. It is important to always refer to the technical data when planning to use the 2N5551 to better understand its characteristics and ensure that it will meet our requirements.

Transistor 2N5551 - examples of practical applications

The 2N5551 transistor is an excellent tool for anyone looking for a versatile unit in their kit. To this end, we cite several application diagrams that show the variety of uses for the 2N5551 transistor. Within audio applications, the 2N5551 can be used in amplifier circuits, either as a single transistor or as part of a larger configuration. In the context of signal-generating circuits, it is used in oscillators and generators. Its possibilities do not end here, however.

Here are some other example projects in which the 2N5551 can be used:

  • control circuit – the 2N5551 transistor can be used in control circuits, acting as a switch.
    Its ability to switch high voltages makes it ideal for industrial applications;
  • regulator circuit – in voltage regulators, the 2N5551 can play a key role due to its ability to handle high voltages;
  • power supply circuit – the 2N5551 transistor can also be used as a key element in power supply circuits.

The possibilities are virtually endless, and these schematics are just a few examples. Proper use of the 2N5551 transistor, of course, requires adequate technical knowledge, but its versatility and accessibility make it an ideal tool for electronics professionals and hobbyists alike.

Discussion of the indicative price of the 2N5551 transistor

Turning to the pricing aspect of the 2N5551 transistor, it is worth noting the differences in the offerings of various suppliers. In our market, there are numerous proposals from both well-known electronic parts stores and smaller vendors. Therefore, the price of the 2N5551 component may vary depending on where you buy it, the number of units purchased or the technical support offered. Remember to always compare offers and carefully check delivery and support terms before you make a purchase.

User reviews of the 2N5551 transistor

By collecting reviews of the 2N5551 transistor from various sources, we are able to show how users rate this popular component. The voices of experts, enthusiasts and hobbyists indicate similar advantages and satisfaction with the use of the 2N5551 transistor. A few main areas in which this transistor receives favorable reviews are singled out:

  • versatility – users appreciate how versatile the 2N5551 is. Both in online reviews and in discussions on forums, people often mention the many different uses of this transistor in their projects;
  • Reliability and performance – many reviews emphasize that the 2N5551 is a transistor that can always be counted on. Its performance and durability are generally highly rated.
  • Availability – the fact that the 2N5551 is readily available and inexpensive is often highlighted in reviews. Many consider this a definite plus, given its versatility and performance.

Reviews of the 2N5551 clearly indicate that it is a transistor worth having in your kit. All this testifies to the value and quality of the 2N5551, making it recommended by both beginners and experienced users. Also, reviews confirm that the 2N5551 transistor is a solid component that serves a wide range of applications.

Summary and conclusions about 2N5551

In summary, the 2N5551 is a high-voltage NPN transistor that offers remarkable versatility considering a wide range of applications. Its intended use ranges from industry, telecommunications to consumer electronics. Valued by professionals and hobbyists alike, the 2N5551 transistor combines performance, reliability and an attractive price.

The conclusions of our analysis of 2N5551 are unequivocally positive. This is confirmed, among other things.
user reviews, who appreciate the versatility of this transistor, its reliability and availability. In summary, the 2N5551 is a solid component that deserves a place in any electronic project due to its many advantages.

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