2SC, 2SCA. SILICON NPN EPITAXIAL. LOW FREQUENCY LOW NOISE AMPLIFIER. Complementary pair with 2SA/A. FOSOMAX. AX. Hitachi 2SC Explore Hitachi on Octopart: the fastest source for datasheets, pricing, specs and availability. 2SC Small Signal General Purpose Transistor. Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX.

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Discussion in ‘ Solid State ‘ started by rottalphaNov 12, Log in or Sign up. Middle of Crook County. I am not sure if there is another list like this on the forum or for that matter how many more there are, but I thought I would share this one.

2SC Datasheet PDF – Hitachi Semiconductor

I stumbled on it while searching for trannies replacements. I personally had a lot of questions and went through numerous posts to identify components. I have to personally thank Avionic, EW, Ilimzn, Clinic and the other folks who pointed me in the right direction.

Because I did not find an updated list, I would not mind to build upon the list from HV, expand and bring it up to date. I will leave the HV list on top, unaltered. See updated list below! Because different transistors go out of production as new ones come in, it will be ideal to have a dynamic list, however, this may be difficult to maintain for a longer period.

I will try to edit this list until the mods will no longer allow me to do so. If anyone has any suggestions on how to accomplish this better, please let me know.


Obviously, the more replacement suggestions you post, the more will make it to the list before the list can no longer be edited. I will start by adding some of the trannies I needed to replace. For some I found replacements, for others not. Please also post questions if 2sc7175 need to catasheet a transistor for which you did not find a replacement. Sorry about the formatting. I obviously have this in Excel, but there are limitations on what can be uploaded.

I will try to make it available on a shared drive in the future. The C moves the collector to the center pin. Datashret the C the base is at the center pin. KSC is a higher voltage replacement. This above list is only meant to be a guideline and not a list of absolute substitutes. Replacing transistors depends on multiple factors and blindly using these as replacements, wthout additional consideration based on your circuit and individual aplication, is not recomended.

Below is a very good decision path example provided by dlucy Thank you Dlucy and others that dwtasheet shared your knowledge and added to the list and to this thread!

Link to dlucy flowchart for choosing a substitute transistor Goldie99EJB14Eastham and 6 others like this. SoundOfSoundNov 13, And as we have just discussed in this thread HyperionNov 14, Great Thread,,,,, will come in handy I’m sure. Seems a good place to request numbers for replacement in the future, and hopefully the OP will stay on it and keep a running up to date list in post 1.

RenegadeNov 14, I second the poster. I have edited the original posting with an updated list. Please post your comments, suggestions, corrections; all are welcomed! I just arrived at this post, because I’ve been looking at replacing the original power transistors in my Marantz It’s been quite an exploration, especially wrt components. The transistors, however, seem to have gone through more then one generation of replacements. In latesome still appeared on eBay.


So, in your 2sc775 The THD graph appears to have been a cut and paste from one data sheet to the other A mistake in the preparation of the data sheet, perhaps? Finding matched pairs of the MJnn series is not quite as easy as I expected. I guess I’ll have to find a way to match them, myself. TJacquesJan 16, Thanks for posting the list.

As you may know, transistors are becoming somewhat difficult to substitute. HyperionJan 16, Better on the PNP – just 1. FootFungusJan 16, The beta matching between the NPN and PNP is usually easier to do as the 94 part is generally a bit higher in gain than the They also look a smidge faster in the datasheets.

2SC Datasheet(PDF) – Hitachi Semiconductor

FootFungusJan 17, TJacquesJan 18, Thanks for posting this Pete. Probably should be a sticky over in the DIY forum. MiamiBoyJun 22, You must log in or sign up to reply here. Share This Page Tweet.

2SC1775 Datasheet

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