The 2N, 2N, and 2N are silicon transistors in a TO66 type package designed for high- speed switching and linear amplifier applications for . Manufacturer Part No: 2N Newark Part No.: 58R Also Known As: GTIN UPC EAN: Technical Datasheet: 2N Datasheet. 2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics.

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2N3584 – 2N3584 NPN High Voltage Switching Transistor Datasheet

So I found this thread and ordered up a 10 pack of BUX85’s. Modern and still datashfet replacement for the TO transistor would be a BUX85 at less than a buck apiece. Thanks – great information.

Tons of reading, tinkering, testing, playing. This power dissipation is the same regardless if 2N or BUX84 or daatsheet other type transistor. Fun fact about these driver boards. The metal tab, un-insulated.

Lots of experience with linear and switching datwsheet supplies on that job as well as solenoid drivers and mechanical stuff. Not long ago when Motorola was making these, new ones were less than a buck apiece.

The install is easy and painless, clip the middle leg and install like a 2n Anything i make on pinball boards funds my next pinball purchase. BUX84 is another good part number.

If you cut the middle leg of the transistor you can use the metal tab as the collector and mount it just 2m3584 the TO transistor. I probably could have used a different heat sink but I wanted to keep it looking factory as possible.


I have probably 20 of these driver boards on hand i need to eventually go through, that is a no brainer to me. Unless the heat sink compound was dried out, I do not see 2n35884 reason for the transistor to be any different in temp.

Next i understood how to test and figure out when all the different types of components are bad.

Yes the heat sink will still be required to be in place. LMT might fit as the pinout would match. The BUX84 has slightly better Junction-to-case thermal resistance than the 2N probably comparable to one used above.

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My day job pays the bills. Here is how you can mount a TO package transistor with minimal modification. Based on what I have seen on the newsgroups and on pinside – there are quite a few electronics type people here It’s a special suffix to get the version with the insulated tab actual suffix varies between mfrs.

A dab of silicone would work too or the pcb has screw holes. Or use a heat sink for the TO? Thought I’d dig this up. Unless I’m missing something major, it looks like this transistor is neither difficult to find nor expensive But the 2N has better case-to-sink thermal resistance typical of metal can transistor. Thanks for coming up with ways to keep these old machines going. Now think I may have retried the and the other I should take a formal class some day.

And I see no reason for the heat sink to be at a different temp, either. A lot of that stuff rolls over nicely into pinball and arcade electronics which is mostly generic stuff. The BUX84 i found are plastic non conductive on the mounting tab. In the end it doesn’t really matter as long as the solenoids are clacking and the lights are flashing!


The BUX85 seems to be a viable alternative using method shown above. Topic Gallery There have been 3 images uploaded to this topic. Did you know Pinside is able to run thanks to donations from our visitors?

First i mastered using a soldering iron.

2N NTE Equivalent NTE T-NPN SI SW LINEAR AP – Wholesale Electronics

Then i started get into the theory of how and why things work the way they do and i am still shakey on it. You You are not signed in! What is the proper way to test the and the transistors? I’ve now got a few for when I catasheet board work.

Replacing obsolete Bally/Stern HV TO-66 transistor with more available TO-220

Please donate to Pinside, support the site and get a next to your username to show for it! I got a few of my games with them too.

By dataeheet way, my Meteor has a CPU repaired by you barakandl. It doesn’t run any cooler than the original design which also really didnt warm at all. But most of their current is determined by biasing resistors.