Hi Friends! We always feel happy when you come over to watch useful information that resonates with your needs and expectations. I am back to give you a daily dose of information so you can excel and grow in your relevant field. Today, I am going to unlock the details on the Introduction to 2n5088. It is an NPN (negative-positive-negative) bipolar junction silicon transistor which is specially designed for small signal, high speed, general purpose switching applications. I’ll discuss each and everything related to this transistor so you don’t need to go anywhere and find all information in one place. Let’s hop on the board and explore what is it about and what are its main applications?
Introduction to 2n5088
- 2n5088 is an NPN bipolar junction transistor which comes in a TO-92 package and mostly used for small signal general purpose switching applications.
- This transistor comes with three terminals named as an emitter, base, and collector.
- 2n5088 is a bipolar current controlled device, unlike MOSFET which is a unipolar voltage controlled device. When a voltage is applied at the base terminals, it gets biased and draws current which is used to control large current at the emitter and collector side.
- Emitter, base, and collector are different in terms of their shape and doping concentrations. An emitter is highly doped as compared to both base and collector.
- Conduction is carried our between emitter and collector when a small voltage is applied at the base terminals. The emitter emits the electrons which are then collected by the collector. The base is used to control the number of electrons.
- In this NPN transistor, a base is positive with respect to emitter and voltage at the collector side is greater than the voltage at the base side.
- The ability of the base to control the number of electrons is used for amplification purpose.
- Movement of electrons plays an important role in the nature of conduction in any transistor. It is a bipolar junction transistor where conduction is carried out by both charge carriers i.e holes and electrons but majority charge carriers are electrons because it is an NPN transistor.
2n5088 is an NPN transistor which is mainly composed of three terminals.
- Free movement of electron actually acts like a bridge between emitter and collector.
- Electron reaction gets triggered when a voltage is applied at the base terminal which then controls the large current at the emitter and collector side.
Circuit Diagram of 2n5088
The circuit symbol of 2n5088 is shown in the figure below.
- Diodes are the building blocks of the transistor when they are joined back to back.
- This NPN transistor comes with a positive base side and negative emitter side where the voltage at the base side is less than the voltage at the collector side.
- It can be configured to three main configurations named as common emitter configuration, common collector configuration, and common base configuration. Out of these configurations, common emitter configuration is mainly helpful for amplification purpose because it features the same voltage gain and power required for amplification purpose.
- Forward current gain is an important factor, also known as amplification factor which determines the measure of current being amplified.
- It is called beta, denoted by β, and is a ratio between collector current and base current.
- Beta value ranges between 20 to 1000 but most the time standard value of beta is taken as 200. As it is a ratio between two currents so it has no unit.
- Current gain is another important factor which is a ratio between collector and emitter current. It is called alpha and denoted by α.
- The alpha value ranges between 0.95 to 0.99 and most of the time alpha value is taken as unity.
- These current gains are different in PNP transistor.
Absolute Maximum Ratings
Following figure shows the absolute maximum ratings of 2n5088.
- Collector-Emitter voltage and Collector-Base voltage is 30 and 35 respectively.
- Maximum power it can draw is 1.5 W.
- These are the stress ratings. If absolute maximum ratings are exceeded from these stress ratings, they can severely affect the device quality.
- Similarly, if stresses are applied for an extended period of time, they can badly influence the device reliability.
- This NPN transistor is mainly used for switching and amplification purpose.
- It comes in a TO-92 package for medium power applications.
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