Tip31 transistor ltspice

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Tip31 transistor ltspice

Latest Projects Education. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. TIP 31 A equivalent. Thread starter The Engineer Start date Mar 24, Search Forums New Posts. I'm am about to print out a PCB in order to build a metal detectorhere is the design. Have looked in a alternative transistor catalogue and have found no results for this component, So I am wondering if anybody on the forum knows of any possible alternatives that will just about to the job?

Need to hand the detector in in two days so any advice will be very helpful! Thanks guys. Scroll to continue with content.

If you can't buy, what numbers do you have or get? I have 32C, 34, 41, And many other transistors available as i'm in college so name any you believe will work!

Jim Brooks Joined May 19, 3. I do not have time to order unfortunately! MCU88 Joined Mar 12, The Engineer said:. MrChips Joined Oct 2, 20, Dodgydave Joined Jun 22, 8, Last edited: Mar 25, AnalogKid Joined Aug 1, 8, TIP41 - yes. TIP - no. This is a darlington transistor, and might not behave the same as the TIP31 because of the different effective base-emitter voltage.

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tip31 transistor ltspice

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tip31 transistor ltspice

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JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. TiP31 vs Mosfet in Circuit. Thread starter truwebs Start date Feb 8, Search Forums New Posts. Thread Starter truwebs Joined Apr 2, Hello All, Wanted to try this circuit in a project So, my question is will a Mosfet work in place of the TiP31 as noted in the circuits above.

Reason I ask I I already have some Mosfets and trying to avoid having to buy something else of the Mosfet will work. If you have a better solution that shared above please share. My goal will be to drive LEDs. Thanks, Tru. Scroll to continue with content. AlbertHall Joined Jun 4, 9, LesJones Joined Jan 8, 2, You will need to select a mosfet with a low threashold voltage or increase the level of the audio signal so it is sufficient to cause the mosfet to conduct.

A BJT starts to conduct with about 0. AlbertHall said:. AnalogKid Joined Aug 1, 8, Yes, maybe, but In semi equivalent terms, a TIP starts to turn on at about 0. The MOSFET takes much less current and does not add distortion to the audio signal driving it not an issue in this circuit. If no one has mentioned it yet, direct paralleling of LEDs is not a good practice. Minor variations if the Vf of individual LED ships will cause brightness variations.

Also, you need current limiting resistors for the LEDs, or loud audio will cause them to fail.We use cookies to provide our visitors with an optimal site experience. View our privacy notice and cookie notice to learn more about how we use cookies and how to manage your settings.

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Starting to understand bipolar transistors is difficult, simulation and experimentation can make it easier. This post will be about setting up a circuit to get the same type of characteristic graph seen for NPN transistors seen in class works with PNP too, but circuit setup is different.

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The output is typically measured in a range of milliamps. Also, a contributing factor is the current gain called beta. There is another factor called alpha, but can be calculated from beta by:. Beta values are typically listed in the datasheet of bipolar transistors. The values above are important to circuit designs with transistors involved. Make sure to rotate the component so that the arrow is facing up, as that is the current direction we want. The values of the resistor on the left of the circuit k and k are for reducing input current to microAmpere levels.

The input current is connected to the base leg of the NPN transistor. This will bring up the list of all the models the program installs with by default quite a bit to use just for transistors.

In this case, we are only interested in the beta factor as that is a main key factor in a bipolar transistor. To obtain the same output characteristic on the virtual O-Scope, a special simulation must be used. The DC Sweep will be used to sweep both of our sources: the input voltage V1 and the input current source I1.

The DC voltage is typically swept in a smooth linear fashion while the current source is stepped with significant micro amp stages. To achieve this, click run and swap to the DC Sweep tab and edit the first source as seen here: V1 is the source we sweep, we are using linear interpolation, start at 0V, end at 16V can be any number of preferenceand increment each 0.

This will create a smooth linear input voltage rise.Forums New posts Search forums.

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Thread starter FireAce Start date Nov 22, FireAce New Member. Hey guys, need some info on a TIP31C transistor. Apparently this is not the nature of the TIP31C.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Branch: master. Find file. Sign in Sign up.

TIP31 Music LED Tutorial - By STE

Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit Fetching latest commit…. Futher copyright information may be found in the specific model files.

They generally reflect parts that I personally use, and otherwise have no other clear theme. If it happens that I have a model that you may need, then that is why I am providing this resource to you. Since LTSpice is by Linear Technologies their default models reflects their parts catalog and thus tends to be missing most everything else you may use by other vendors.

tip31 transistor ltspice

It is also somewhat difficult to find models specifically for LTSpice but often times can be found for other Spice derivatives. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Jun 30, Aug 14, By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts.

It only takes a minute to sign up. I'm having trouble every time I need to find a component with Ltspice.

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Normally I manage to find what I need but not for the current component. I need a 2n transistor.

TIP31 Datasheet, Equivalent, Cross Reference Search

I've tried to enter words in the component search toolbar for transistor, nothing. I tried to enter the code, nothing. I wonder what is the best way when you know the component you need to search it, because every time I need a new one, it ends up being troubles.

For standard components like transistors, diodes, inductors and capacitors the selectable components are not inside the component placement tool, but in a separate dialog.

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So you select your standard component npn transistor in this case and place it on your schematic. After that "rightclick" it. A window opens with general information about the part. It also contains a button labelled "Pick new transistor". Click that button and you end up with this:. The library of parts is only that large - it doesn't contain everything you need because it would have to contain everything, as I need other stuff than you do. So one skill you'll eventually have to learn is how to include a not supplied model into LT-Spice.

When you're in the drawing editor, left click on the "GET" icon on the menu bar it looks like an AND gate and it's right between the diode and the open hand and a dialog will pop up. Mouse over to where you want it to be and left click once again to place it. Now, if you right-click on the NPN, a dialog box will appear. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered.

Ask Question. Asked 4 years, 5 months ago. Active 4 years, 5 months ago. Viewed 17k times. I tried to enter the code, nothing I wonder what is the best way when you know the component you need to search it, because every time I need a new one, it ends up being troubles.

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TiP31 vs Mosfet in Circuit

Active Oldest Votes. Click that button and you end up with this: You can sort by part number or other parameters. One thing to note though: The library of parts is only that large - it doesn't contain everything you need because it would have to contain everything, as I need other stuff than you do. Arsenal Arsenal Sign up or log in Sign up using Google.

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