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2SD from Toshiba America Electronic Components, Inc.. Find the PDF Datasheet, Specifications and Distributor Information. 2SD Datasheet, 2SD PDF, 2SD Data sheet, 2SD manual, 2SD pdf, 2SD, datenblatt, Electronics 2SD, alldatasheet, free, datasheet. 2SD datasheet, 2SD circuit, 2SD data sheet: SAVANTIC – Silicon NPN Power Transistors,alldatasheet, datasheet, Datasheet search site for.

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I assume you haven’t located a better option? Your name or email address: I created 2sd42 major fireworks display when my test probe slipped and shorted on a nearby component while trying to adjust the bias: Share This Page Tweet. EchoWarsAug 4, They’ve been out of production for many years, and any ‘new’ devices you may find are certainly Chinese remakes that are not to be trusted. No, create an account now.

The post up top has some other numbers, but if I would have known to darasheet the Motorola’s even when these B,D where around I would have used those Mj’s instead.

MCM is a reliable source, so they’re very unlikely to be counterfeits. All employees working for Moto’s semiconductor biz and all intellectual property were part of the package. On-Semi was a spin-off from Motorola, when Moto divested the discrete dafasheet biz from the IC biz.


I am not comfortable comparing the graphs on the datasheets and was hoping that one of the Jedi Masters here can help. In my view, this response falls short of the need. But of course Motorola had to sell the dang semi biz.

2SD424/2SB554 Power Transistors

Heck, Motorola even made or resold? EchoWarsFeb 24, One of the output transitors blew in the process.

I just want to try and buy the “best” transistors and I am trying to understand some of the differences in specs. EchoWarsAug 9, Log in or Sign up. New On-Semi devices purchased from a reliable source, such as Digikey or Mouser are infinitely preferable, unless you enjoy seeing your hard work explode before your eyes.

Well even better are the mj, or find the new number from “On” of those. You must log in or sign up to reply here. EchoWarsFeb 23, datashee MayankJun 14, I know I need to replace all 4 along with the other 4 on the positive rail.

Log in or Sign up. It might be fun to get a pair and cut them open, if they aren’t too expensive.

I think use MJ, and the other one that I cant think ofcompliment. Gary, whose title is Technical Advisor, initially responded with the following comments: Share This Page Tweet. The D and B are the most counterfeited transistor in history. As far as ordering out-of-production Japanese transistors from unknown sources, only if you’re determined to learn a lesson the hard way, I might add that myself and others have already learned at great financial cost and much labor rebuilding damaged boards.


Does MCM use a curve tracer and die inspection for replacement component quality assurance? EchoWarsJun 14, Yes, my password is: Oregon, land of magnificent stumps. These are near-universal replacements for TO-3 package output devices in many vintage SS amps and receivers.

FootFungusAug 4, I decided to get MCM’s view on this issue. MayankJun 15, Do you already have an account? If you really want those devices, buy new parts made by On-Semi from Mouser or Digikey.

2SD Datasheet pdf – Silicon NPN Power Transistors TO-3 package – Savantic

BinaryMikeAug 9, Thanks for your guidance EW! BinaryMikeAug 4, Toshiba hasn’t made these in years and years. You must log in or sign up to reply here. No, create an account now.

They didn’t sell it so much as simply spun it off as a new business during Motorola’s financial restructuring back in ‘ If not, then how is component quality assured? Do you already have an account? Your name or email address: I was part of the team that assisted in the tweaking of the fabrication process.