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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Unless I’m missing something major, it looks like this transistor is neither difficult to find nor expensive: So, the thermal resistance is nearly identical.

The lower you can go, the better. Anything i make on pinball boards funds my next pinball purchase. I saw it in one of his pics of a bench test 2n3548. So I found this thread and ordered up a 10 pack of BUX85’s. Then i started get into the theory of how and why things work the way they do and i am still shakey on it.

It doesn’t run any cooler than the original design which also really didnt warm at all. What is the proper way to test the and the transistors? Unless I’m missing something major, it looks like xatasheet transistor is neither difficult to find nor expensive I should take a formal class some day.

I was in construction all my life and I missed out on this electronic stuff. As you can see from the back side, no tricks in mounting it. Since you have not changed the heat sink then the overall temperature should be nearly identical to that of a 2N There have been 3 images uploaded dtaasheet this topic. R51 burns when the transistors go short. The BUX84 i found are plastic non conductive on datasgeet mounting tab. Heat in this setup is very minimal.


2N3584 – 2N3584 NPN High Voltage Switching Transistor Datasheet

But most of their current is determined by biasing resistors. Can’t beat the price. Well, with out the heat sink it may dahasheet too hot. But turn that V down to save your Plasma tubes.

If R51 is burned, you can assume all three HV transistors are bad. Thermionic Pinside member 3y 41, View topic image gallery. Voila, a nice steady V. If you don’t replace them in a set, you risk shorting them again. Thanks for all you guys do here. Modern and still made replacement for the TO transistor would be a BUX85 at less than a buck dstasheet. I got mine here ebay. Next i understood how to test and figure out when all the different types of components are bad. I probably could have used a different heat sink but I wanted to keep it looking factory as possible.

I don’t think I would try that. I don’t follow the ‘running cooler’ line, though.

Roadshow Pinball – Sound Rom. Replaced the 2n and the non-heatsinked and for a few seconds it output the correct voltage then nothing.

Yes, but the center lead – collector, will have to be folded up, solder a wire to the center lead and then attached the other end of the wire to the the tab mounting screw to provide circuit continuity for the collector. I have sent out probably 20 driver board using a BUX84 as the HV transistor over the last year or two. The Flintstones Pinball – Sound Rom. It’s a special suffix to get the version with the insulated tab actual suffix varies between mfrs.


TZ Piano Hole Lights. Yes the heat sink will still be required to be in place. This page was optimised for printing. The slight difference in gain won’t matter as that is already accounted for by Q Wish I could have learned it years ago. Fun fact about these driver boards.

2N Datasheet, Equivalent, Cross Reference Search. Transistor Catalog

Promoted items from the Pinside Marketplace. R51 22K was very hot. Probably the one I didn’t replace was also bad.

I used two sided foam tape. For current fatasheet — time to retest all three transistors. I want to know more about those. Hardly gets warm to the touch after hours being turned on. Bumping cause this is good info and those new to the hobby might have missed a good piece of info.